Centrifugal force enabled clutch and aircraft
US-12281679-B2 · Apr 22, 2025 · US
the wedging coupling members being non-releasably joined to form a single annular piece, e.g. either the members being integral projections from the piece, or the piece being an elastic ring cast round the radial centres of the members · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16D41/076 |
| Official title | {the wedging coupling members being non-releasably joined to form a single annular piece, e.g. either the members being integral projections from the piece, or the piece being an elastic ring cast round the radial centres of the members} |
| Display label | the wedging coupling members being non-releasably joined to form a single annular piece, e.g. either the members being integral projections from the piece, or the piece being an elastic ring cast round the radial centres of the members |
| Total patents | 18 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 4 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12281679-B2 · Apr 22, 2025 · US
US-2025027542-A1 · Jan 23, 2025 · US
US-12104656-B2 · Oct 1, 2024 · US
US-11761496-B2 · Sep 19, 2023 · US
US-2023250855-A1 · Aug 10, 2023 · US
US-2023140002-A1 · May 4, 2023 · US
US-11339836-B2 · May 24, 2022 · US
US-2022010848-A1 · Jan 13, 2022 · US
US-10876581-B2 · Dec 29, 2020 · US
US-10815843-B2 · Oct 27, 2020 · US
US-2020200225-A1 · Jun 25, 2020 · US
US-10563709-B2 · Feb 18, 2020 · US
US-2019345850-A1 · Nov 14, 2019 · US
US-10400859-B2 · Sep 3, 2019 · US
US-2019072138-A1 · Mar 7, 2019 · US
US-9885394-B2 · Feb 6, 2018 · US
US-2016116024-A1 · Apr 28, 2016 · US
US-2015316949-A1 · Nov 5, 2015 · US