F16F 9/12
Devices with one or more rotary vanes turning in the fluid any
Official title: Devices with one or more rotary vanes turning in the fluid any throttling effect being immaterial, {i.e. damping by viscous shear effect only (F16F9/53 takes precedence; pivoting supports for apparatus or articles placed on stands or trestles F16M11/06)}
F16F9/12 (Devices with one or more rotary vanes turning in the fluid any) appears on 241 US grants and 197 published applications in this corpus.
Search patents in F16F- Granted patents
- 241
- Published applications
- 197
- Assignees
- 140
- Inventors
- 427
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 4 | 6 |
| 2003 | 5 | 7 |
| 2004 | 7 | 11 |
| 2005 | 7 | 4 |
| 2006 | 2 | 6 |
| 2007 | 3 | 8 |
| 2008 | 3 | 4 |
| 2009 | 3 | 7 |
| 2010 | 6 | 7 |
| 2011 | 8 | 7 |
| 2012 | 4 | 9 |
| 2013 | 5 | 6 |
| 2014 | 7 | 14 |
| 2015 | 9 | 9 |
| 2016 | 17 | 8 |
| 2017 | 7 | 13 |
| 2018 | 7 | 10 |
| 2019 | 11 | 9 |
| 2020 | 5 | 13 |
| 2021 | 11 | 16 |
| 2022 | 11 | 4 |
| 2023 | 9 | 6 |
| 2024 | 5 | 5 |
| 2025 | 7 | 3 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low profile rotary damper16 Sep 2025US 12,416,352 B2Illinois Tool Works Inc.
- Armrest assembly with internal motion damper9 Sep 2025US 12,409,764 B2Lear Corporation
- Torque generation device1 Jul 2025US 12,345,311 B2Alps Alpine Co., Ltd.
- Magnetorheological braking device, in particular operating apparatus3 Jun 2025US 12,320,397 B2INVENTUS Engineering GmbH
- Hydraulic damping device with adjustable resistance and a riding platform15 Apr 2025US 12,276,317 B2Shenzhen Thousandshores Technology Co., Ltd.
- Damper device8 Oct 2026US 2026/0309204 A1Thk Co., Ltd.
- Rotary Damper20 Aug 2026US 2026/0243326 A1Somic Management Holdings Inc.
- Magnetorheological damper capable of realizing independent linear and rotational force feedback11 Jun 2026US 2026/0160312 A1Southeast University
- Displacement amplification self-centering friction damper28 May 2026US 2026/0146445 A1Tongji University
- Active damper for machine spindles13 Nov 2025US 2025/0345865 A1Rtx Corporation
Most cited
By later US patents
- Controllable resistance device and force dampener, and vehicle utilizing the same100US 5,573,088 A1996
- One-way damper63US 4,697,673 ANifco Inc. · 1987
- Rotary damper with improved connection between cap and housing61US 5,269,397 ANifco Inc. · 1993
- Oil filled rotary damper having a symmetrically shaped flexible membrane58US 4,614,004 ANifco Inc. · 1986
- One-way rotary damper56US 5,460,252 AIllinois Tool Works Inc. · 1995