F15B 11/20
Controlling several interacting or sequentially-operating members
Official title: controlling several interacting or sequentially-operating members
F15B11/20 (Controlling several interacting or sequentially-operating members) appears on 199 US grants and 159 published applications in this corpus.
Search patents in F15B- Granted patents
- 199
- Published applications
- 159
- Assignees
- 142
- Inventors
- 368
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 8 |
| 2003 | 12 | 8 |
| 2004 | 8 | 12 |
| 2005 | 5 | 3 |
| 2006 | 7 | 6 |
| 2007 | 5 | 9 |
| 2008 | 5 | 1 |
| 2009 | 2 | 0 |
| 2010 | 3 | 1 |
| 2011 | 0 | 3 |
| 2012 | 1 | 0 |
| 2013 | 3 | 2 |
| 2014 | 2 | 3 |
| 2015 | 2 | 3 |
| 2016 | 0 | 4 |
| 2017 | 7 | 12 |
| 2018 | 8 | 11 |
| 2019 | 8 | 21 |
| 2020 | 20 | 19 |
| 2021 | 15 | 10 |
| 2022 | 11 | 8 |
| 2023 | 10 | 3 |
| 2024 | 6 | 3 |
| 2025 | 4 | 6 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Synchronized hybrid clamp force controller for lift truck attachment17 Mar 2026US 12,577,091 B2Cascade Corporation
- Hydraulic valve assembly11 Nov 2025US 12,467,481 B2HAWE Hydraulik SE
- External fluid bar for fluid driven cylinder4 Nov 2025US 12,460,546 B1
- Fork leveling system and method, and telescopic boom forklift9 Sep 2025US 12,410,046 B2Sany Marine Heavy Industry Co., Ltd.
- Hydraulic thruster24 Jun 2025US 12,338,843 B2Coretrax Americas Ltd.
- Arrangement for operating a hydraulic control valve for an agricultural tractor19 Mar 2026US 2026/0076281 A1Deere & Company
- Hydraulic system for pressure supply of a hydraulic actuator13 Nov 2025US 2025/0346461 A1Liebherr-Werk Ehingen GmbH
- Hydraulic control system for coupler safety knuckle31 Jul 2025US 2025/0243881 A1Cascade Corporation
- Transport hydraulic pressure used to block retraction of header tilt cylinder3 Jul 2025US 2025/0212715 A1CNH Industrial America LLC
- Hydraulic system for a work vehicle with valve assembly incorporating a bypass line8 May 2025US 2025/0146248 A1CNH Industrial America LLC
Most cited
By later US patents
- Positioning, exploration, and/or intervention device, in particular in the field of endoscopy and/or mini-invasive surgery91US 6,875,170 B2Universite Pierre et Marie Curie · 2005
- Biologically-inspired multi-segmented robot78US 6,532,400 B1Intelligent Inference Systems Corporation · 2003
- Pneumatic actuator48US 7,331,273 B2Prospective Concepts AG · 2008
- Digital hydraulic well control system44US 6,567,013 B1Halliburton Energy Services.Inc. · 2003
- Electrohydraulic control system for implement lift cylinders44US 6,698,523 B2HUSCO International, Inc. · 2004