Analyzer Sampling Patents: Top Companies & Filing Trends 2026
- One filer dominates. the leading assignee holds 160 of 246 records in scope, and the top 5 combined account for 85.8% of all filings.
- Filing has cooled from its 2018 peak. the field peaked at 32 records in 2018, and the tracked growth window shows a -40% change from 2021 to 2024.
- Nearly all activity sits in one IPC subclass. G01N material analysis and testing appears in 90.7% of the 246 records, with pressure vessel and separation classes trailing well behind.
Filing growth compares 2021 (10 records) with 2024 (6) — a three-year span. 2024 is the most recent year we treat as complete: publication lags filing by roughly 18 months, so 2025 onwards are still filling in and any growth rate that ends there would understate the field. Top-5 share is the combined record count of the five largest assignees divided by all 246 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
Analyzer sampling and conditioning systems sit at the junction of process measurement and mechanical fluid handling: probes, fast loops, filters, heat tracing and phase-control hardware that deliver a representative sample to an analyzer without lag time, filter plugging or unwanted phase change. This dataset tracks 246 published records from 2015 through the 2026 cut-off, searched against language covering sample conditioning, fast loop sampling and the specific failure modes — lag time, filter plugging, phase change, material compatibility, heat tracing — that define whether a sampling system actually works in the field.
The scope is narrow by design: it is not general analytical chemistry, but the physical plumbing and control hardware that gets a fluid sample from a process line into an analyzer intact and on time. That narrowness is why filing concentrates so heavily around a small number of specialist sampling-equipment makers rather than diversified instrument OEMs.
Filing trend and technology composition
Two views of the same 246 records: how filing volume has moved year over year, and which IPC subclasses the underlying hardware gets classified under.
A 2018 peak, then a cooling trend
Filings rose from 13 in 2017 to a peak of 32 in 2018. The tracked growth span shows filings falling from 10 in 2021 to 6 in 2024, a -40% change; because publication lags filing by roughly 18 months, 2025 and 2026 figures are still incomplete and should not be read as a continued decline on their own.
Concentrated in material analysis, with mechanical support classes behind it
G01N (material analysis and testing) covers 90.7% of the 246 records, confirming this is fundamentally an analytical-instrumentation field. F17C (pressure vessels and gas storage) at 15.0% and B01D (separation processes) at 8.5% point to the mechanical conditioning hardware — pressure regulation and filtration — that supports the analyzer itself; smaller shares in E21B, H05B, B05B, C21C and C10G mark where sampling technology touches specific industries such as wellsite drilling, steelmaking and refining.
Shares are the percentage of the 246 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Analyzer Sampling and Conditioning Systems with Eureka
This page is one run against one query. Ask Eureka your own question about analyzer sampling and conditioning systems and every answer comes back with the patent numbers behind it.
Try EurekaMost-cited records in the field
Post-Probe Upstream Metering Pump for Insuring NGL Phase Change Completion in Sample Conditioning
A post-probe upstream metering pump for insuring phase change completion of a multi-phase fluid such as Natural Gas Liquid (NGL) in a sample conditioning system having a pipeline sample take-off probe for fluid extraction, a sample conditioning unit for conditioning the extracted fluid to a select range of temperature and pressure for analysis of the fluid sample by an associated analyzer without dew point dropout or phase separation, and a metering pump disposed in-line between the sample take-off probe and the sample conditioning unit to pressurize the fluid sample to condense into a substantially fully liquid phase and to reduce lag time between extraction and fluid sample conditioning.Filed by Mustang Sampling, LLC, 2017-03-23 — illustrates how phase-change control and lag-time reduction are claimed together as a single mechanical solution.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US5717209A | System for remote transmission of spectral information through communication optical fibers for real-time on-… | 185 |
| 2 | US20150000426A1 | Sample Conditioning System for Low Pressure Gas | 90 |
| 3 | US7162933B2 | Gas sample conditioning system | 85 |
| 4 | US20060000298A1 | Gas sample conditioning system | 67 |
| 5 | US20150362468A1 | Low Pressure Biogas Sample Takeoff and Conditioning System | 66 |
| 6 | US20090151427A1 | Liquid Gas Vaporization and Measurement System and Method | 55 |
| 7 | WO2006005014A2 | Gas sample conditioning system | 55 |
| 8 | US7484404B2 | Liquid gas vaporization and measurement system and method | 53 |
| 9 | US6357304B1 | System for retrieving a gas phase sample from a gas stream containing entrained liquid, and sample conditione… | 50 |
| 10 | US7874221B1 | Devices for obtaining cylinder samples of natural gas or process gas, and methods therefore | 38 |
Citation counts inside a searched corpus favour older records; treat this list as a signal of technical influence, not of what is currently most active.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Three patterns stand out once the records are broken down by assignee, year and classification.
Filing sits with a small group of specialists
The top 5 assignees combined account for 85.8% of all 246 records in scope, and the leading single assignee alone holds 160. This is not a fragmented field with room for many small players filing broad claims; new entrants are more likely to find defensible space in narrow mechanical improvements than in core sample-conditioning architecture.
Volume has pulled back from its 2018 high
After peaking at 32 records in 2018, filing activity dropped to 10 by 2021 and 6 by 2024, a -40% change over that span. Given the roughly 18-month publication lag, the most recent years understate true filing activity, so this should be read as a real pullback from peak rather than a current-year signal.
Nearly every record touches material analysis
G01N appears in 90.7% of the 246 records, confirming the field is defined by analytical measurement rather than by any single mechanical sub-system. The supporting classes — F17C pressure vessels at 15.0% and B01D separation at 8.5% — show where the physical conditioning hardware is claimed alongside the analytical function.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to analyzer sampling and conditioning systems, with the prior art for and against each one.
Assignee landscape and where the gaps sit
The ranked leaders span specialist sampling-equipment makers, energy majors and a handful of individual inventors filing in narrow niches.
One specialist sampling-equipment maker sets the baseline
The top assignee's 160 records dwarf the rest of the ranking, meaning most core sample-conditioning architecture — probes, fast loops, phase-control hardware — is already claimed by a single filer. Competitors entering this space are working around, not into, that footprint.
A steep drop-off after the top handful
Filing falls sharply outside the top 5: fifth place holds only 7 records and tenth place just 4. The ranking includes energy majors, a government research body and several individual inventors, suggesting most of the remaining activity is opportunistic or application-specific rather than platform-building.
Co-filing is rare and mostly inventor-linked
Only 5 co-assignee pairs appear in the dataset, and the strongest recurring pairing links a single company with named individual inventors rather than another corporate entity. This points to a field where IP is built in-house rather than through joint filing arrangements.
| Assignee | Recent year | YoY |
|---|---|---|
| Mustang Sampling, LLC | 0 | — |
| VALTRONICS | 0 | — |
| MAYEAUX DONALD P | 0 | — |
| Dow Technology Investments LLC | 0 | — |
| Equinor Energy AS | 0 | — |
| MAYEAUX HOLDING LLC | 0 | — |
| United States Department of Energy | 0 | — |
| INSIGHT ANALYTICAL SOLUTIONS INC | 0 | — |
Where to take this analysis
The landscape points to a concentrated core and a thin, specialised periphery. The next steps depend on whether the goal is freedom-to-operate or new filing.
Map claims against the leading assignee's portfolio
With one filer holding 160 of 246 records, any new sampling-system design should be checked claim-by-claim against that portfolio before filing or launch.
Explore assignee portfolios in EurekaWatch the under-claimed mechanical branches
Heat tracing, multi-phase metering and low-pressure biogas takeoff show lighter filing density than the core G01N cluster, and may offer more room for a defensible first claim.
Run a white-space search in EurekaTrack filings past the publication lag
Because 2025-2026 records are still incomplete, re-checking this dataset in a future quarter will give a truer read on whether the 2021-2024 pullback continued or reversed.
Set up a monitoring alert in EurekaCommon questions on analyzer sampling patents
One assignee holds 160 of the 246 records in scope, far ahead of the rest of the ranked field. The top 5 assignees combined account for 85.8% of all records, and the top 10 account for 94.7%. This level of concentration means most core sample-conditioning architecture is already claimed, and competitive analysis should start with that leading portfolio rather than the broader 24-company ranking.
Filing peaked at 32 records in 2018 and has since pulled back, falling from 10 records in 2021 to 6 in 2024, a -40% change over that span. Publication lags filing by roughly 18 months, so 2025 and 2026 figures in any dataset are still incomplete and should not be read as evidence of a continuing decline. The honest read is a cooling trend through the last complete filing year, 2024, with the very latest years still an open question.
G01N, covering material analysis and testing, appears in 90.7% of the 246 records, making it the dominant classification by a wide margin. Supporting mechanical classes include F17C for pressure vessels and gas storage at 15.0% of records and B01D for separation processes such as filtration at 8.5%. Smaller shares in classes tied to drilling, electric heating, spraying and steelmaking show where sampling technology is adapted to specific industrial settings, though these adjacent branches carry far fewer records than the core analytical claims.
That filing, from Mustang Sampling, LLC and dated 2017-03-23, claims a post-probe upstream metering pump that ensures a multi-phase fluid such as natural gas liquid fully completes its phase change before reaching the sample conditioning unit, while also reducing lag time between extraction and conditioning. It combines phase-change control and lag-time reduction into a single mechanical solution positioned between the sample take-off probe and the conditioning unit. Anyone designing a sampling system that pressurizes a multi-phase fluid at that specific point in the flow path should review this claim scope directly rather than assume it is narrow.
The classification data shows heavy concentration in core material-analysis and pressure-vessel claims, with much thinner coverage in heat-traced sample line control, multi-phase probe metering for wellsite gas, low-pressure biogas takeoff conditioning, and industry-specific applications like steelmaking off-gas sampling. These branches show low record counts relative to the dominant G01N and F17C clusters, suggesting less-crowded claim space. Any first filing in these areas should still be checked against the leading assignee's portfolio, since broad platform claims may already extend into adjacent applications.
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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.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, or validity search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. Any patent, commercial, or strategic decision should be verified independently and reviewed with qualified patent, legal, and domain professionals. Patsnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.
Machine translation. Assignee and organisation names originally recorded in Chinese, Japanese or Korean have been rendered into English by an AI translation step so that the tables stay readable. These renderings are best-effort and may not match a company’s registered English name; the original name is what the underlying patent record carries, and it is what any Eureka query launched from this page uses.