Laboratory Autoclave Patents: Leaders, Trends & White Space 2026
Laboratory Autoclave and Waste Sterilization Patents
Concentrated at the top. the five most active filers account for 52.7% of all 582 records in scope, and the leader alone holds 133. Filings rose from 6 in 2017 to a peak of 33 in 2021, then fell to 2 by 2024 — a 94% decline across that three-year window. Given the ~18-month publication lag, 2025 and 2026 figures will rise as later filings publish, but the peak-to-2024 contraction itself is the reliable read.
- 13M INNOVATIVE PROPERTIES CO133
- 2AMERICAN STERILIZER CO63
- 33M CO61
- 4SAGE THERAPEUTICS INC32
- 5ETHICON INC18
See the full laboratory autoclaves and waste sterilization 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 laboratory autoclave and sterilization patents?
The ranking returned for this dataset covers 100 companies, and it is concentrated at the top: the leading assignee holds 133 of the 582 records in scope, well ahead of the fifth-place holder at 18. The top five combined account for 52.7% of all records, and the top ten reach 65.5%. This means a small number of filers, mostly established sterilization-equipment manufacturers and biological-indicator specialists, control a majority of the documented claim space, while the remaining ranked companies file at a much lower and flatter rate.
Is patent filing in laboratory autoclave technology growing or slowing?
Filing activity peaked at 33 records in 2021 and had fallen to 2 by 2024, a 94% decline over that three-year span. Because publication lags filing by roughly 18 months, 2025 and 2026 figures are still incomplete and should not be read as confirming further decline, but the 2021-to-2024 contraction itself is based on complete years and is a real pullback. Anyone benchmarking current activity should treat the post-2021 peak as the relevant baseline rather than the raw yearly totals for the last one to two years.
What technology areas dominate laboratory autoclave patent filings?
Sterilising and disinfecting claims under IPC class A61L appear in 64.4% of the 582 records, making it by far the densest part of the field. Testing-related classes follow: C12Q (enzyme and DNA-based measuring, 29.6%) and G01N (material analysis and testing, 25.8%). Because a single record can carry multiple IPC classes, these shares add up to more than 100%, and they should be read as coverage rates against the full record set rather than as mutually exclusive categories.
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 Laboratory Autoclaves and Waste Sterilization 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.