Scale Squeeze Patents: Top Companies & Filing Trends 2026
Scale Squeeze and Chemical Remediation Patents
Concentrated at the top. The top 5 assignees hold 65.3% of all 95 records in scope, and the top 10 hold 88.4% — a short list of names controls most of the filed art. Filings rose from 2 in 2017 to a peak of 18 in 2020, then eased off. Over the last complete three-year span tracked here, 2021 to 2024, filings fell from 6 to 4, a 33% decline — read the 2025-2026 tail as incomplete rather than as a continuation of that drop.
- 1AKZO NOBEL CHEMICALS INTERNATIONAL BV20
- 2HALLIBURTON ENERGY SERVICES INC15
- 3CONOCOPHILLIPS CO13
- 4NALCO CO7
- 5GRANT PRIDECO LP7
See the full scale squeeze and chemical remediation 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 scale squeeze patents
Who are the leading patent holders in scale squeeze and chemical remediation?
Filing activity in this field concentrates heavily at the top: the leading assignee holds 20 of the 95 records in scope, and the top 5 assignees together account for 65.3% of all records. The top 10 climb to 88.4%, leaving a long tail of companies with only a handful of filings each. Most leaders are oilfield services and specialty chemical companies rather than pure operators, reflecting that inhibitor formulation, not well mechanics, carries most of the claim weight.
Is patent filing in scale inhibitor squeeze technology growing or shrinking?
Filing peaked at 18 records in 2020 and has since eased; across the last complete three-year window, 2021 to 2024, filings fell 33%, from 6 to 4. Because publication lags filing by roughly 18 months, 2025 and 2026 figures are still incomplete and should not be read as confirming a continued decline. The honest read is a cooling from an unusually active 2020 rather than a field in collapse.
What technology areas dominate scale squeeze patent claims?
C09K, covering materials for miscellaneous applications, appears in 81.1% of the 95 records in scope, making inhibitor and treatment-chemistry formulation the densest claim area by far. E21B, earth and rock drilling and well operations, follows at 45.3%, and C02F water treatment claims appear in 25.3%. Because a record can carry multiple IPC classes, these figures do not sum to 100% and should be read as independent shares of the same 95-record base.
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 Scale Squeeze and Chemical Remediation 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.