F15B 2211/7128
The chambers being connected in parallel
Official title: the chambers being connected in parallel
F15B2211/7128 (The chambers being connected in parallel) appears on 239 US grants and 219 published applications in this corpus.
Search patents in F15B- Granted patents
- 239
- Published applications
- 219
- Assignees
- 154
- Inventors
- 515
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 3 |
| 2002 | 4 | 4 |
| 2003 | 6 | 7 |
| 2004 | 6 | 7 |
| 2005 | 5 | 3 |
| 2006 | 4 | 7 |
| 2007 | 1 | 9 |
| 2008 | 5 | 7 |
| 2009 | 4 | 3 |
| 2010 | 7 | 3 |
| 2011 | 4 | 8 |
| 2012 | 2 | 7 |
| 2013 | 8 | 13 |
| 2014 | 3 | 9 |
| 2015 | 9 | 5 |
| 2016 | 10 | 12 |
| 2017 | 3 | 7 |
| 2018 | 5 | 13 |
| 2019 | 13 | 15 |
| 2020 | 13 | 7 |
| 2021 | 5 | 16 |
| 2022 | 12 | 18 |
| 2023 | 17 | 10 |
| 2024 | 14 | 11 |
| 2025 | 10 | 9 |
| 2026 | 9 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic systems for mobile machines and associated methods14 Jul 2026US 12,679,165 B1Caterpillar Paving Products Inc.
- Rate matching hydraulic actuators on common control manifold2 Jun 2026US 12,644,534 B2Hamilton Sundstrand Corporation
- Apparatus for control of multiple fluid powered actuators26 May 2026US 12,638,028 B2Universal City Studios LLC
- Hydraulic system for a vehicle or a container, and vehicle or container having such a hydraulic system12 May 2026US 12,624,713 B2E & P Hydraulics B.V.
- Safety system for machine14 Apr 2026US 12,601,150 B2Oilquick AB
- Mobile machine with improved electric powered actuator system6 Aug 2026US 2026/0226710 A1Moog Inc.
- Three servovalve thrust reverser actuator system23 Jul 2026US 2026/0210311 A1
- Arrangement for operating a hydraulic control valve for an agricultural tractor19 Mar 2026US 2026/0076281 A1Deere & Company
- Gangway having self-raising assembly26 Feb 2026US 2026/0054947 A1Safe Rack LLC
- Valve Assembly for Double-Acting Hoisting Mechanism29 Jan 2026US 2026/0029001 A1Robert Bosch GmbH
Most cited
By later US patents
- Hydraulic circuit for synchronized horizontal extension of cylinders86US 7,926,410 B2JR Automation Technologies, LLC · 2011
- Method and device for attenuating the motion of hydraulic cylinders of mobile work machinery79US 7,318,292 B2Liebherr-France SAS · 2008
- Dual-pump, flow-isolated hydraulic circuit for an agricultural tractor60US 5,918,558 ACase Corporation · 1999
- Clutched hydraulic system for a refuse vehicle56US 9,494,170 B2Oshkosh Corporation · 2016
- Pneumatic actuator with hydraulic control53US 5,058,385 AThe United States of America as represented by the Secretary of the Navy · 1991