Chainsaw Patents: Who Leads, Where the Gaps Are 2026
Chainsaw and cutting-safety patents: mapping kickback mitigation, chain tensioning and bar lubrication claims
44.3% of all 742 records sit with the five leading assignees, so freedom-to-operate work in this field starts by clearing a small set of portfolios, not a diffuse crowd. Filings ran from 23 in 2017 to a peak of 37 in 2021, then declined to 17 by 2024 — a complete-year drop of 54%. 2025 and 2026 figures are still low because publication typically lags filing by around 18 months; they should not be read as a continuation of the decline until later data fills in.
- 1BLACK & DECKER CORP19.0%
- 2HUSQVARNA AB15.6%
- 3BLOUNT INC3.9%
- 4ROBERT BOSCH GMBH3.0%
- 5ANDREAS STIHL AG & CO KG2.8%
See the full chainsaws and cutting safety 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 chainsaw and cutting-safety patents
Who holds the most chainsaw safety patents?
One assignee leads clearly with 141 records in this dataset, well ahead of the fifth-place holder at 21 and tenth place at 13. The top five assignees combined hold 44.3% of all 742 records in scope, and the top ten hold 55.4%. That leader-plus-long-tail pattern means clearance work should prioritise the leading portfolios first, since they cover a disproportionate share of the claim space.
Is chainsaw patent filing activity growing or slowing down?
Filings peaked in 2021 at 37 and fell to 17 by 2024, a 54% decline over that three-year span, using 2024 as the most recent complete year of data. Figures for 2025 and 2026 look lower still, but that is expected because publication typically lags actual filing by around 18 months, so those years are not yet fully reported. The honest read is a real cooling from the 2021 peak, not a field going to zero.
What technology areas dominate chainsaw patent claims?
B27B, the sawing-wood subclass, appears on 70.6% of the 742 records in scope, making it the structural core of the field. A01G (horticulture and forestry) follows at 27.5% and B23D (planing, broaching and sawing) at 15.8%. Because records can carry multiple IPC classes, these shares overlap rather than sum to 100%, reflecting how a single chainsaw design typically spans several claim categories at once.
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 Chainsaws and Cutting Safety 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.