Geomechanical Rock Testing Patents: Who Leads, Where the Gaps Are 2026
Geomechanical Rock Property Testing Patents: Leaders, Filing Trends and Open Claim Space
Concentrated at the top. The five leading assignees hold 157 of 293 records in scope (53.6%), and the top ten hold 227 (77.5%) — a field where a handful of operators and service companies occupy most of the claim space. Published records peaked at 36 in 2017, declined over the following years, then rose from 4 in 2021 to 9 in 2024 — a 125% increase across that three-year window. Treat 2025 and 2026 figures as provisional; they will revise upward as pending applications publish.
- 1BAKER HUGHES CO48
- 2EXXONMOBIL UPSTREAM RESEARCH COMPANY(US)33
- 3HALLIBURTON ENERGY SERVICES INC27
- 4VAREL EURO SAS26
- 5CHEVRON USA INC23
See the full geomechanical rock property testing 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 about this landscape
Who holds the most patents in geomechanical rock property testing?
Among the 86 ranked assignees, the leading company holds 48 of the 293 records in scope, well ahead of the fifth-ranked assignee at 23. The top five together account for 157 records, or 53.6% of the field, and the top ten account for 227, or 77.5%. That concentration means most core testing methods — triaxial compression, unconfined compressive strength, dynamic elastic modulus — already sit under a small number of oilfield-service and major-operator portfolios.
Is patent filing in rock mechanical testing growing or slowing?
Filings peaked in 2017 at 36 published records, then declined before recovering: 2021 recorded 4 and 2024 recorded 9, a 125% increase over that three-year span. Because publication lags filing by roughly 18 months, the 2025 and 2026 figures in any dataset will look artificially low and should not be read as a slowdown. The 2021-to-2024 recovery is the more reliable recent signal.
What technology areas overlap most with rock property testing patents?
E21B (earth and rock drilling) appears in 49.1% of the 293 records, making it the most common overlap, followed by G01N (material analysis and testing) at 39.6% and G01V (geophysics and gravity surveying) at 24.2%. G06F digital data processing shows up in 19.8% of records, reflecting how much of this testing now feeds automated drilling or modelling systems rather than standing alone as a lab method. Because records can carry multiple classes, these percentages overlap rather than sum to 100%.
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 Geomechanical Rock Property Testing 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.