F15B 2211/423
Manually
Official title: manually, e.g. by using a lever or pedal
F15B2211/423 (Manually) appears on 31 US grants and 27 published applications in this corpus.
Search patents in F15B- Granted patents
- 31
- Published applications
- 27
- Assignees
- 34
- Inventors
- 72
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 3 |
| 2021 | 5 | 4 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Emergency isolation valve control design4 Feb 2025US 12,215,722 B2Saudi Arabian Oil Company
- Systems and methods for bleed down and retraction of a construction machine boom7 May 2024US 11,976,675 B2Xtreme Manufacturing, LLC
- Automatic oil return structure for piston pump9 Apr 2024US 11,953,029 B2Kudos Mechanical Co., Ltd.
- Interlocked single function activation valve27 Sep 2022US 11,454,256 B1Striped Monkey IP
- Pneumatic control device and process control device equipped therewith8 Feb 2022US 11,242,874 B2Festo AG & Co.
- 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
- Welding machines for pipelines2 Oct 2025US 2025/0303506 A1Ritmo S.P.A.
- Emergency isolation valve control design3 Oct 2024US 2024/0328536 A1Saudi Arabian Oil Company
- Automatic oil return structure for piston pump29 Feb 2024US 2024/0068491 A1Kudos Mechanical Co., Ltd.
Most cited
By later US patents
- Pump unit and working vehicle43US 6,988,580 B22006
- 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
- Control arrangement for at least two hydraulic consumers and pressure differential valve for said control arrangement18US 6,644,025 B1Bosch Rexroth AG · 2003
- Hand tools including a hydraulic jack for the control of working members16US 4,823,588 ASociete D'Etudes Et De Methode D'Applications · 1989