Acoustic Insulation Patent Landscape 2026
Acoustic Insulation Patent Landscape in 2026
Saint-Gobain Isover leads a moderately concentrated field of 10,317 patent families, with the top five filers holding 16% of the hundred largest filers’ combined output. Activity peaked in 2020 and has eased since, placing the field in a mature, post-peak phase where incremental differentiation and adjacent-branch moves carry the most strategic weight.
Saint-Gobain Isover leads a moderately concentrated field
Saint-Gobain Isover heads the Three Saint-Gobain entities appear in the top three, signalling a deliberate portfolio segmentation strategy within the group.
The top five filers account for 16% of the hundred largest filers’ combined total — a moderate concentration level. A visible tier gap separates the top three from the next cluster (Panasonic Electric Works, Fujifilm, Yoshino Gypsum, each at 131–132 patent families), and a second tier of Chinese builders and construction firms sits below that.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Saint-Gobain Isover | 281 | |
| 2 | Rockwool International A/S | 211 | |
| 3 | Saint-Gobain Placo SAS | 142 | |
| 4 | Panasonic Electric Works Co., Ltd. | 132 | |
| 5 | Fujifilm Corporation | 131 | |
| 6 | Yoshino Gypsum Co., Ltd. | 131 | |
| 7 | Gold Mantis Fine Decoration Technology (Suzhou) Co., Ltd. | 122 | |
| 8 | Dai Changhong | 121 | |
| 9 | Deutsche Rockwool Mineralwolle GmbH | 116 | |
| 10 | Sekisui Chemical Co., Ltd. | 114 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Beijing New Building Materials PLC | 111 | |
| 12 | United States Gypsum Company | 108 | |
| 13 | Knauf Gips KG | 107 | |
| 14 | Shenyang Jianzhu University | 104 | |
| 15 | Sekisui House, Ltd. | 104 | |
| 16 | 3M Innovative Properties Company | 91 | |
| 17 | Knauf Insulation SPRL | 90 | |
| 18 | Shimizu Corporation | 87 | |
| 19 | Aspen Aerogels, Inc. | 85 | |
| 20 | Mitsubishi Electric Corporation | 84 |
The incumbents’ deep positions in building-structure classifications (E04B) make direct replication costly; challengers are more likely to find entry through materials science routes (B32B, C04B) or integrated acoustic-HVAC systems (F24F), where the field is less saturated.
Patent counts for 2024–2025 are under-counted due to publication lag and should not be interpreted as a further acceleration of the post-peak decline. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing volume peaked in 2020; building structures dominate the technology mix
The annual filing trend reveals a clear growth-then-plateau arc, while the IPC composition shows heavy concentration in building-structure classifications with a long tail of adjacent areas that remain comparatively sparse.
Annual filing trend
Filings grew from 869 in 2017 to a peak of 1,543 in 2020, then stepped down to around 1,350–1,480 through 2022–2023. Figures for 2024 onward are materially under-counted because of publication lag and do not represent a steeper real-world drop.
↗ Hover for values · click a bar to ask EurekaTechnology composition
E04B (Building structures & elements) is by far the dominant class, reflecting the field’s deep roots in wall, floor, and ceiling assemblies. E04C, F24F, E04F, and B32B form a secondary tier; G10K (Acoustics & sound generation) is the largest class directly concerned with acoustic physics and remains meaningfully smaller than the construction-assembly classes, pointing to an under-served fundamental-science route.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Custom tunable acoustic insulation
Acoustic insulation comprising tuned resonant absorbers to absorb sound energy and prevent it from being emitted and a method of installation of the acoustic insulation. The acoustic insulation is preferably placed or sprayed by a thermal spray process. The resonant absorbers are strategically placed in the placed or thermally sprayed material to maximize… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Panel and fastening system for panels | 698 |
| 2 | Floor panel and method for the manufacture thereof | 327 |
| 3 | Composite insulated framing members and envelope e… | 241 |
| 4 | Ultra-light, multifunctional sound-insulating kit | 240 |
| 5 | Composite vapor barrier panel | 213 |
| 6 | Soundproofing insulator | 200 |
| 7 | Mineral fibre sizing composition containing a carb… | 186 |
| 8 | Systems, Methods And Articles For Enhancing Wellne… | 181 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the competitive structure means for R&D investment
China-heavy filing geography creates a distinct set of strategic signals for engineers and IP strategists.
Post-peak field; incremental innovation dominates
The lifecycle evidence places acoustic insulation in decline, with annual filings easing back from the 2020 peak. This indicates that foundational platform patents are largely staked out, and new entrants face a crowded core. R&D investment is most defensible in differentiated sub-routes — advanced composites, aerogel-based systems, or integrated acoustic-HVAC solutions — rather than bulk building-panel claims.
Lifecycle: Post-peakModerate; two tiers with a visible gap
The top five filers hold 16% of the hundred largest filers’ combined families, and a clear tier gap separates the Saint-Gobain / Rockwool incumbents from mid-table players. This structure rewards deep portfolio breadth at the top and suggests challengers should seek either materials-chemistry differentiation or geographic niches rather than head-on building-structure competition.
Top-5 share: 16%Saint-Gobain group dominates co-filing; cross-sector ties limited
The most active co-filing pair is Saint-Gobain Isover with Saint-Gobain Placo (32 joint families), reflecting intra-group coordination. Rockwool International co-files extensively with Deutsche Rockwool Mineralwolle (15 joint families), its German operating subsidiary. Saint-Gobain Isover and Saint-Gobain Placo each independently co-file with the French National Centre for Scientific Research (CNRS), suggesting academic pipeline activity. Cross-sector partnerships outside these clusters are sparse.
Co-filing: intra-group ledChina dominates filing volume; US and EPO are the quality anchors
China accounts for the largest share of patent records, reflecting aggressive domestic construction-sector activity. The United States and EPO represent the next largest bodies, with WIPO PCT filings indicating applicants pursuing broad international coverage. The United Kingdom, Australia, and Canada form a substantial English-speaking cluster. Sparse filings in India and Southeast Asia suggest underprotected markets for export strategies.
Lead office: ChinaGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| Saint-Gobain Isover | Saint-Gobain Placo SAS | 32 |
| Rockwool International A/S | Deutsche Rockwool Mineralwolle GmbH | 15 |
| Saint-Gobain Isover | French National Centre for Scientific Research (CNRS) | 7 |
| Saint-Gobain Placo SAS | French National Centre for Scientific Research (CNRS) | 7 |
| Yoshino Gypsum Co., Ltd. | Otsuka Chemical Co., Ltd. | 4 |
| 3M Innovative Properties Company | THE UNIV OF ARIZONA THE ARIZONA BOARD OF RE GENTS | 2 |
| Saint-Gobain Isover | Isover Saint-Gobain SA | 1 |
| Rockwool International A/S | DEUT ROCKWOOL GMBH & CO KG | 1 |
| Yoshino Gypsum Co., Ltd. | Taisei Denki Kogyo Co., Ltd. | 1 |
| Yoshino Gypsum Co., Ltd. | Asahi Fiber Glass Co., Ltd. | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Saint-Gobain Isover and Rockwool International lead by volume; Saint-Gobain Placo shows the strongest recent momentum
The field’s leadership is dominated by European mineral-fibre and gypsum specialists. Within this group, recent momentum diverges sharply, with Saint-Gobain Placo accelerating while Isover’s recent filing pace has pulled back.
Saint-Gobain Isover
Saint-Gobain Isover leads the ranking with 281 patent families, concentrated in building structures (E04B 1), nonwovens and felts (D04H 1), and glass compositions (C03C 25) — reflecting its mineral-wool insulation core. Recent filing momentum shows a 37% decline versus the prior period, consistent with the field’s overall post-peak trajectory and possible portfolio consolidation within the Saint-Gobain group.
patent families: 281Saint-Gobain Placo
Saint-Gobain Placo holds 142 patent families and is the fastest-growing major incumbent, with recent filings up 133% versus the prior period. Its focus spans building structures (E04B 2 and E04B 1) and structural components (E04C 3), pointing to a gypsum-board and partition-system emphasis that is complementary to Isover’s mineral-wool line. This momentum makes Placo the most active mover within the top tier.
patent families: 142| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Saint-Gobain Isover | 15 | ▼ -37% |
| Fujifilm Corporation | 33 | ▲ +27% |
| Saint-Gobain Placo SAS | 35 | ▲ +133% |
| United States Gypsum Company | 2 | ▲ new entrant |
| Knauf Gips KG | 14 | ▼ -7% |
| Yoshino Gypsum Co., Ltd. | 13 | ▲ new entrant |
| View Operating Corporation | 28 | ▲ +47% |
Under-served branches adjacent to the dominant building-structure core
Several IPC branches sit at moderate patent-record counts relative to the dominant E04B class, suggesting areas where technical coverage is thinner and where focused investment could establish a differentiated position.
G10K · Acoustics & sound generation
G10K is the most directly physics-oriented acoustic class in the corpus yet has materially fewer records than the construction-assembly classes. Its relative sparsity in a corpus defined by acoustic insulation suggests that fundamental acoustic-engineering approaches — metamaterials, active noise control integrated into building elements, or sound-absorption modelling — are under-patented. Fujifilm’s strong G10K 11 focus (108 families) and 3M’s secondary G10K presence show that materials players can enter this branch credibly alongside building specialists. A realistic entry path is through acoustic-metamaterial composites or HVAC duct-lining systems that combine F24F and G10K claims.
Search this in Eureka →F24F · Air conditioning & ventilation
F24F sits at the third-largest technology class in the corpus, yet it remains considerably smaller than E04B, and only Fujifilm (F24F 13 at 60 families) among the top players shows concentrated activity there. Integrated acoustic-HVAC solutions — duct liners, silencer baffles, and plenum-box designs — address a well-defined engineering problem at the intersection of airflow and noise, and energy-efficiency regulations are increasing demand for such combined solutions. Entry is plausible for HVAC OEMs or advanced materials firms that can pair thermal and acoustic performance data.
Search this in Eureka →How leaders differ by technology route
Strength of each leader across the main technology routes.
| Player | E04B 1 · Building structures & elements | E04B 2 · Building structures & elements | E04C 2 · Structural building components | E04B 5 · Building structures & elements | F24F 13 · Air conditioning & ventilation |
|---|---|---|---|---|---|
| Rockwool International A/S | Strong · 135 | Moderate · 31 | Moderate · 36 | Emerging · 18 | Absent |
| Saint-Gobain Isover | Strong · 170 | Absent | Absent | Absent | Absent |
| Fujifilm Corporation | Strong · 75 | Absent | Absent | Absent | Strong · 60 |
| United States Gypsum Company | Strong · 48 | Strong · 25 | Moderate · 24 | Strong · 27 | Absent |
| Yoshino Gypsum Co., Ltd. | Strong · 59 | Moderate · 26 | Moderate · 20 | Absent | Absent |
| CSR Building Products Ltd. | Strong · 49 | Strong · 33 | Absent | Absent | Absent |
| Deutsche Rockwool Mineralwolle GmbH | Strong · 61 | Absent | Moderate · 16 | Absent | Absent |
Frequently asked questions
The corpus covers 10,317 patent families in scope across all geographies and technology sub-classes within acoustic insulation.
Saint-Gobain Isover leads with 281 patent families, followed by Rockwool International with 211 and Saint-Gobain Placo with 142.
Annual filings peaked in 2020 at 1,543 and have eased since, reaching around 1,353–1,358 in 2022–2023. Figures for 2024 and later are under-counted due to publication lag and do not represent the true current level.
China has the highest patent-record count, reflecting significant domestic construction-sector activity. The United States and the EPO are the next largest filing destinations.
E04B (Building structures & elements) is by far the dominant class. E04C, F24F, E04F, and B32B form a secondary tier, with G10K (Acoustics & sound generation) being the largest class directly tied to acoustic physics.
Saint-Gobain Placo shows the strongest recent momentum among major players, with recent filings up 133% versus the prior period. Fujifilm Corporation is also growing, up 27%, and View Operating Corporation is up 47%. In contrast, Saint-Gobain Isover’s recent filings are down 37%.
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Disclaimer. This page is generated from PatSnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
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