F15B 2211/7053
Double-acting output members
F15B2211/7053 (Double-acting output members) appears on 1,267 US grants and 1,195 published applications in this corpus.
Search patents in F15B- Granted patents
- 1,267
- Published applications
- 1,195
- Assignees
- 555
- Inventors
- 2,255
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 10 | 0 |
| 1978 | 7 | 0 |
| 1979 | 20 | 0 |
| 1980 | 12 | 0 |
| 1981 | 14 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 25 | 0 |
| 1999 | 15 | 0 |
| 2000 | 14 | 0 |
| 2001 | 29 | 4 |
| 2002 | 19 | 14 |
| 2003 | 17 | 30 |
| 2004 | 25 | 34 |
| 2005 | 25 | 26 |
| 2006 | 21 | 36 |
| 2007 | 31 | 60 |
| 2008 | 29 | 50 |
| 2009 | 33 | 49 |
| 2010 | 28 | 26 |
| 2011 | 35 | 16 |
| 2012 | 13 | 16 |
| 2013 | 23 | 39 |
| 2014 | 13 | 38 |
| 2015 | 21 | 41 |
| 2016 | 27 | 36 |
| 2017 | 46 | 50 |
| 2018 | 31 | 69 |
| 2019 | 61 | 100 |
| 2020 | 106 | 85 |
| 2021 | 96 | 87 |
| 2022 | 70 | 78 |
| 2023 | 66 | 62 |
| 2024 | 62 | 48 |
| 2025 | 62 | 69 |
| 2026 | 37 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Control method based on a four-chamber hydraulic cylinder6 Oct 2026US 12,753,780 B2Taiyuan University of Technology
- Hydraulic power steering system25 Aug 2026US 12,715,501 B2Hydac New Technologies GmbH
- Method for real-time hydraulic cylinder drift monitoring25 Aug 2026US 12,716,432 B2Caterpillar Inc.
- Hydraulic drive device18 Aug 2026US 12,710,061 B2Kawasaki Jukogyo Kabushiki Kaisha
- Hydraulic drive apparatus21 Jul 2026US 12,687,182 B2Kawasaki Jukogyo Kabushiki Kaisha
- Mobile machine with improved electric powered actuator system6 Aug 2026US 2026/0226710 A1Moog Inc.
- Hydraulic Isolation Cylinder-Based System6 Aug 2026US 2026/0226921 A1SRI Energy, Inc.
- Work machine6 Aug 2026US 2026/0226927 A1Komatsu Ltd.
- Integrated Electrohydraulic Actuator30 Jul 2026US 2026/0218734 A1Parker-Hannifin Corporation
- Dump truck23 Jul 2026US 2026/0208652 A1Komatsu Ltd.
Most cited
By later US patents
- Pneumatically operated mechanism1,103US 6,050,172 AEmhart Glass S. A. · 2000
- Fail-safe actuation system926US 9,239,064 B2Moog Inc. · 2016
- Enhanced computer optimized adaptive suspension system and method196US 6,502,837 B1Kenmar Company Trust · 2003
- Enhanced computer optimized adaptive suspension system and method172US 7,076,351 B2Great Northern Technologies, LLC · 2006
- Linear servoactuator with integrated transformer position sensor158US 4,628,499 AScientific-Atlanta, Inc. · 1986