F15B 11/121
Providing distinct intermediate positions
Official title: {providing distinct intermediate positions}
F15B11/121 (Providing distinct intermediate positions) appears on 128 US grants and 74 published applications in this corpus.
Search patents in F15B- Granted patents
- 128
- Published applications
- 74
- Assignees
- 101
- Inventors
- 229
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 2 |
| 2003 | 4 | 6 |
| 2004 | 2 | 2 |
| 2005 | 2 | 2 |
| 2006 | 1 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 2 | 4 |
| 2011 | 2 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 2 |
| 2014 | 2 | 3 |
| 2015 | 0 | 6 |
| 2016 | 2 | 6 |
| 2017 | 5 | 3 |
| 2018 | 7 | 0 |
| 2019 | 4 | 5 |
| 2020 | 2 | 8 |
| 2021 | 8 | 5 |
| 2022 | 7 | 4 |
| 2023 | 3 | 3 |
| 2024 | 5 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Three-position control device and three-position control method6 Jan 2026US 12,516,684 B2Tokyo Seimitsu Co., Ltd.
- Valve manifold, valve and actuator assembly14 Oct 2025US 12,442,394 B2Asco, L. P.
- Pneumatic fare gate12 Nov 2024US 12,139,953 B2San Francisco Bay Area Rapid Transit District
- Three-position pneumatic or hydraulic power cylinder1 Oct 2024US 12,104,623 B2
- Valve manifold, valve and actuator assembly6 Aug 2024US 12,055,161 B2Asco, L. P.
- A gearshift arrangement and a vehicle22 Jan 2026US 2026/0022767 A1Volvo Truck Corporation
- Three-position control device and three-position control method2 Oct 2025US 2025/0305521 A1Tokyo Seimitsu Co., Ltd.
- Gripper, rock drilling unit and method14 Nov 2024US 2024/0376781 A1Sandvik Mining and Construction Oy
- Valve Manifold, Valve and Actuator Assembly5 Sep 2024US 2024/0295228 A1Asco, L. P.
- Three-position pneumatic or hydraulic power cylinder28 Sep 2023US 2023/0304515 A1
Most cited
By later US patents
- Hydraulic digital stepper actuator135US 4,434,704 AHalliburton Company · 1984
- Digital positioner for remote actuation of a control valve103US 4,072,087 ACaterpillar Tractor Co. · 1978
- Semi-levered landing gear and auxiliary strut therefor41US 6,182,925 B2The Boeing Company · 2001
- Control system and method for a semi-levered landing gear for an aircraft33US 6,575,405 B2The Boeing Company · 2003
- Three position actuator arrangement28US 5,067,323 AUnited Technologies Corporation · 1991