Self-Healing Concrete Waterproofing Patent Snapshot
The self-healing concrete waterproofing patent space is a nascent, lightly contested field dominated by Indian academic and small-commercial filers, with India accounting for the largest share of jurisdictional activity. Annual volume peaked in 2021 and has eased since, placing the field in a decline stage despite sporadic new entrants from China entering in recent filings.
Symbiosis International University leads a fragmented, academic-heavy field
Symbiosis International University holds the top position among the ranked applicants visible in this query, with 2 patent records — the only applicant with more than one. Every other ranked applicant holds a single record, indicating no entrenched commercial incumbent has yet consolidated a visible portfolio.
The top five filers together account for 40% of the ranked applicants visible in this query’ combined total, a moderate concentration figure given the extremely small absolute corpus. The field is effectively flat in terms of tier gaps: the leader’s margin over any challenger is just one record.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Symbiosis International University | 2 | |
| 2 | Shanghai Caisi Technology Co., Ltd. | 1 | |
| 3 | INT CHEM Co., Ltd. | 1 | |
| 4 | Apple Chem India Pvt. Ltd. | 1 | |
| 5 | Dr. Pankaj Ramesh Gavit | 1 | |
| 6 | Dr. Ganesh Kumar A | 1 | |
| 7 | Dr. Nandagopal S | 1 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 8 | Sourav Kumar Singha | 1 | |
| 9 | Shanghai Construction Building Materials Technology Group Co., Ltd. | 1 | |
| 10 | Dr. Vijai K | 1 | |
| 11 | P.S.R. Engineering College | 1 | |
| 12 | Swami Vivekananda University | 1 | |
| 13 | PANIPAT INST OF ENG & TECH PIET | 1 | |
| 14 | RES & BUSINESS FOUND SUNGKYUNKWAN UNIV | 1 |
The leader’s position — held by a university — signals that self-healing concrete waterproofing remains largely at the applied-research stage. Commercial players are present but individually no stronger than any single academic inventor, leaving the evidence snapshot open to a well-resourced industrial entrant.
The most recent filing years are subject to publication lag and likely under-represent actual 2024–2026 activity; the apparent absence of 2024 filings should not be read as cessation of interest. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Activity peaked in 2021 and C04B dominates the technology mix
The filing trend chart shows when annual activity concentrated and how it has shifted; the technology composition chart reveals which IPC branches capture most filings and which remain sparse.
Annual filing trend
Annual filings reached a local peak of 3 records in 2021 before dropping to zero in 2022 and recovering only partially in subsequent years. The recent-window growth rate stands at -67%, consistent with the field’s post-peak easing. Filings recorded in 2025 and 2026 should be treated as incomplete due to publication lag.
↗ Hover for values · click a bar to ask EurekaTechnology composition
C04B (Ceramics, cement & refractories) accounts for all 9 records, confirming that cement-matrix formulation is the visible technical route. C12N (Microorganisms & genetic engineering) appears in 3 records, reflecting bacterial self-healing approaches. A01N (Biocides/agrochemicals) and C02F (Water & wastewater treatment) each appear in 2 records, rounding out the bio-based sub-themes. C09K and G01N each hold only 1 record and represent the sparsest branches.
↗ 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.
Development of self-healing concrete using microbi…
Abstract The present invention relates to a self-healing concrete composition that integrates microbial agents and chemical admixtures to autonomously repair cracks and enhance the durability of concrete structures. The composition comprises calcite producing bacteria encapsulated in a protective medium, nutrients such as calcium lactate or urea, and… (excerpt from the patent abstract)
Open this patent in Eureka →| # | Patent | Citations |
|---|---|---|
| 1 | Manufacturing Method Of Hybrid Waterproofing Admix… | 3 |
| 2 | 一种低收缩高强自愈合混凝土及其制备方法 | 1 |
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.
Assignee snapshot from the current evidence set
The applicants below are visible in this query result. Because the evidence set is relatively small, read this section as a directional snapshot rather than a full competitive ranking.
Symbiosis International University
Symbiosis International University holds 2 patent records, the largest portfolio in this corpus. Its technical focus spans A01N 63 (biocides/agrochemicals), C02F 3 (water & wastewater treatment), and C04B 18 (ceramics, cement & refractories), indicating a bacterial or bio-agent healing mechanism embedded in cement matrices. No momentum data in the evidence distinguishes a recent trajectory shift for this applicant.
patent records: 2Shanghai Caisi Technology Co., Ltd.
Shanghai Caisi Technology holds 1 patent record and is flagged as a new entrant with an upward trend. Its technical focus is concentrated in C04B 111 and C04B 28 (cement and refractories), aligned with a cementitious admixture approach. The firm filed jointly with Shanghai Construction Building Materials Technology Group, suggesting the entry is part of a coordinated industry push rather than an isolated research effort.
patent records: 1Frequently asked questions
The evidence shows 9 patent families in scope for this topic, indicating a very early-stage and lightly patented field.
Symbiosis International University holds the largest portfolio with 2 patent records, making it the top-ranked filer among the applicants identified.
India leads with 7 patent records, followed by China and South Korea with 1 record each. The field is strongly India-centric, driven primarily by university and individual-inventor activity.
C04B (Ceramics, cement & refractories) covers all 9 records and is the visible class, reflecting cement-matrix formulation as the core technical route. C12N (Microorganisms & genetic engineering) appears in 3 records, indicating significant interest in bacterial self-healing approaches.
The lifecycle evidence places the field in a decline stage, with annual filings having peaked at 3 records in 2021 and easing since. The recent-window growth rate is -67%. The most recent filing years are likely under-counted due to publication lag, so the true current pace may be somewhat higher than recorded.
Two co-filing pairs are documented. Shanghai Caisi Technology and Shanghai Construction Building Materials Technology Group filed jointly (1 co-filed record), and Sungkyunkwan University (Research & Business Foundation) and INT CHEM Co., Ltd. filed jointly (1 co-filed record). Both represent early-stage alliances rather than sustained programs.
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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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