F15B 2201/205
Using gas
Official title: using gas
F15B2201/205 (Using gas) appears on 475 US grants and 339 published applications in this corpus.
Search patents in F15B- Granted patents
- 475
- Published applications
- 339
- Assignees
- 218
- Inventors
- 747
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 9 | 0 |
| 1978 | 11 | 0 |
| 1979 | 11 | 0 |
| 1980 | 13 | 0 |
| 1981 | 16 | 0 |
| 1982 | 15 | 0 |
| 1983 | 7 | 0 |
| 1984 | 11 | 0 |
| 1985 | 5 | 0 |
| 1986 | 10 | 0 |
| 1987 | 15 | 0 |
| 1988 | 11 | 0 |
| 1989 | 8 | 0 |
| 1990 | 2 | 0 |
| 1991 | 11 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 2 |
| 2002 | 9 | 9 |
| 2003 | 11 | 10 |
| 2004 | 9 | 22 |
| 2005 | 15 | 12 |
| 2006 | 11 | 10 |
| 2007 | 3 | 7 |
| 2008 | 8 | 10 |
| 2009 | 6 | 10 |
| 2010 | 5 | 10 |
| 2011 | 3 | 10 |
| 2012 | 7 | 16 |
| 2013 | 15 | 14 |
| 2014 | 9 | 20 |
| 2015 | 13 | 17 |
| 2016 | 9 | 9 |
| 2017 | 19 | 5 |
| 2018 | 9 | 28 |
| 2019 | 18 | 13 |
| 2020 | 16 | 19 |
| 2021 | 14 | 13 |
| 2022 | 13 | 14 |
| 2023 | 14 | 16 |
| 2024 | 6 | 12 |
| 2025 | 10 | 21 |
| 2026 | 3 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pressure accumulator1 Sep 2026US 12,723,602 B2Hydac Technology GmbH
- Hydraulic accumulator2 Jun 2026US 12,644,473 B2Hydac Technology GmbH
- Mechanism for regulating high pressure industrial air using double layer electromagnetic valves28 Apr 2026US 12,612,928 B2Viettel Group
- Life determination device and life determination method30 Dec 2025US 12,510,394 B2Toyota Jidosha Kabushiki Kaisha
- Rolling assembly23 Dec 2025US 12,502,813 B2Carl Freudenberg KG
- Load dampening system13 Aug 2026US 2026/0235142 A1J. C. Bamford Excavators Limited
- Integrated Electrohydraulic Actuator30 Jul 2026US 2026/0218734 A1Parker-Hannifin Corporation
- Electro-Hydraulic Actuator Assembly with a Fluid Access Port11 Jun 2026US 2026/0160279 A1Parker-Hannifin Corporation
- Intermediate hydraulic system and method of use30 Apr 2026US 2026/0117802 A1Country Mechanical Services
- Systems and methods for controlling landing gear of an aircraft23 Apr 2026US 2026/0109455 A1JetZero, Inc.
Most cited
By later US patents
- Hydrostatic bladder-type storage means90US 4,367,786 ADaimler-Benz Aktiengesellschaft · 1983
- Suspended diaphragm88US 6,295,918 B12001
- Distributed accumulator81US 4,651,781 ANorthrop Corporation · 1987
- Accumulator65US 4,997,009 ANHK Spring Co., Ltd. · 1991
- Adaptive hydropneumatic pulsation damper52US 5,797,430 AMercedes-Benz AG · 1998