F15B 2211/421
Mechanically
Official title: mechanically
F15B2211/421 (Mechanically) appears on 69 US grants and 56 published applications in this corpus.
Search patents in F15B- Granted patents
- 69
- Published applications
- 56
- Assignees
- 64
- Inventors
- 158
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 4 | 3 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 3 |
| 2007 | 2 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 6 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 3 |
| 2018 | 0 | 4 |
| 2019 | 2 | 3 |
| 2020 | 2 | 4 |
| 2021 | 9 | 7 |
| 2022 | 3 | 3 |
| 2023 | 2 | 5 |
| 2024 | 4 | 4 |
| 2025 | 6 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Variable relief circuit19 May 2026US 12,631,201 B2HUSCO International, Inc.
- Actuator load and slew rate limiting via pressure throttling shutoff valve10 Feb 2026US 12,546,339 B1Hamilton Sundstrand Corporation
- Pump control shock absorber11 Nov 2025US 12,467,549 B2Caterpillar Global Mining LLC
- Cylinder on demand hydraulic device14 Oct 2025US 12,442,398 B2Tonand Inc.
- Fluid valve20 May 2025US 12,305,765 B2Nabtesco Corporation
- Control handle of photography support stand and photography support stand23 Apr 2026US 2026/0110313 A1Shenzhen Leqi Innovation Co., Ltd.
- Arrangement for operating a hydraulic control valve for an agricultural tractor19 Mar 2026US 2026/0076281 A1Deere & Company
- Turbine engine comprising an actuator and aircraft comprising such a turbine engine, and corresponding actuation method1 Jan 2026US 2026/0002474 A1Safran Power Units
- Welding machines for pipelines2 Oct 2025US 2025/0303506 A1Ritmo S.P.A.
- Two-stage speed controller17 Apr 2025US 2025/0122893 A1Taiwan Chelic Co., Ltd.
Most cited
By later US patents
- Device and method for regulating fluid flow in a well74US 6,516,888 B1Triangle Equipment AS · 2003
- Pump unit and working vehicle43US 6,988,580 B22006
- Controller for hydraulic drive machine31US 5,630,317 AKabushiki Kaisha Komatsu Seisakusho · 1997
- Low noise hydraulic power unit for an auto-hoist lift25US 6,029,448 AFenner Fluid Power, Inc. · 2000
- Method of operating a hydraulic pressing unit, and hydraulic pressing unit21US 6,769,356 B2Gustav Klauke GmbH · 2004