Hydrate Formation Patents: Top Companies & Filing Trends 2026
Hydrate Formation Prediction and Prevention Patents
62.5% concentration. The top 5 of 79 ranked assignees hold 328 of 525 records in scope — over three-fifths of the field sits with a handful of oilfield chemical majors. Filings ran at 40 in 2017 and climbed to a peak of 54 in 2020 before falling back. From a 2021 low of 2, volume rebuilt to 9 by 2024 — a +350% move over that three-year span, though the count is still well below the 2020 peak. 2025 and 2026 figures are not yet complete because of publication lag and should not be read as a decline.
- 1BAKER HUGHES CO114
- 2CLARIANT INT LTD77
- 3CHAMPIONX USA INC61
- 4ECOLAB USA INC48
- 5HYDRAFACT28
See the full hydrate formation prediction and prevention analysis in Eureka
- The complete ranking, not just the top five
- Every IPC branch with its share of the corpus
- The most-cited records, and where claim space is still thin
Common questions on hydrate formation patents
Who holds the most patents on hydrate inhibition technology?
The ranked leader among 79 assignees holds 114 of the 525 records in scope, well ahead of the fifth-ranked assignee at 28 and the tenth at 11. That gap indicates a leader-plus-long-tail structure rather than a field split evenly among many players. The top 5 assignees combined account for 62.5% of all 525 records, so a competitive read of this space should start with those few portfolios rather than the full ranked list.
Is patent filing activity in hydrate prevention growing or shrinking?
Filings peaked at 54 records in 2020, then fell sharply before rebuilding from 2 records in 2021 to 9 in 2024, a +350% increase over that span. The 2025 and 2026 figures look lower still, but that reflects publication lag of roughly 18 months rather than an actual slowdown — recent filings simply have not all published yet. Read the 2021-2024 rebuild as the more reliable current signal.
What is the difference between thermodynamic and kinetic hydrate inhibitors in the patent literature?
Thermodynamic inhibitors, historically methanol and MEG, shift the hydrate equilibrium curve and dominate older, highly-cited filings; kinetic hydrate inhibitors and anti-agglomerants delay or disperse hydrate crystal growth at lower dosing and appear across more recent formulation claims. The dataset’s search terms cover both families together, and C09K (materials for miscellaneous applications) is the densest single IPC class at 63.0% of the 525 records, reflecting how much of this field is formulation chemistry rather than process engineering.
Disclaimer. This analysis is based on Patsnap Eureka data drawn from a limited snapshot of global patent records and is provided for general information and reference only. Patent data carries inherent limitations — recent filings are under-counted because of publication lag, counts may be on a record or family basis, classification and applicant-name data may contain errors or duplicates, and the underlying search query defines the scope shown — so the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing here is an exhaustive prior-art, novelty, freedom-to-operate or validity search, nor does it constitute legal, financial or professional advice, and it should not be relied upon as such. Verify independently and review with qualified patent and legal professionals before acting on it.
Method: Filing trend and technology composition. Derived from a Patsnap search on Hydrate Formation Prediction and Prevention covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish. Every share divides by all records in scope. Data: Patsnap Eureka. See the full landscape report.