F15B 2211/52
Characterised by the type of actuation
Official title: characterised by the type of actuation
F15B2211/52 (Characterised by the type of actuation) appears on 551 US grants and 471 published applications in this corpus.
Search patents in F15B- Granted patents
- 551
- Published applications
- 471
- Assignees
- 294
- Inventors
- 1,121
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 26 | 2 |
| 2002 | 13 | 10 |
| 2003 | 12 | 21 |
| 2004 | 16 | 12 |
| 2005 | 11 | 13 |
| 2006 | 8 | 8 |
| 2007 | 9 | 12 |
| 2008 | 3 | 7 |
| 2009 | 7 | 8 |
| 2010 | 5 | 7 |
| 2011 | 5 | 4 |
| 2012 | 3 | 5 |
| 2013 | 7 | 8 |
| 2014 | 5 | 14 |
| 2015 | 10 | 18 |
| 2016 | 10 | 20 |
| 2017 | 14 | 16 |
| 2018 | 13 | 30 |
| 2019 | 26 | 29 |
| 2020 | 36 | 41 |
| 2021 | 41 | 38 |
| 2022 | 42 | 35 |
| 2023 | 30 | 34 |
| 2024 | 33 | 35 |
| 2025 | 32 | 33 |
| 2026 | 18 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydraulic power steering system25 Aug 2026US 12,715,501 B2Hydac New Technologies GmbH
- Pneumatic gauge and pressure control device and pneumatic system including same4 Aug 2026US 12,698,787 B2
- Pneumatic system flow balancing architecture and method23 Jun 2026US 12,663,028 B2The Boeing Company
- Drive control device for rotating work machine and rotating work machine provided with same16 Jun 2026US 12,655,607 B2Kobelco Construction Machinery Co., Ltd.
- Hydraulic machine swing system with anti-drift9 Jun 2026US 12,650,003 B2Caterpillar Inc.
- Method Of Adjusting Relief Pressure Of Relief Valve For Swing Motor13 Aug 2026US 2026/0234899 A1Caterpillar SARL
- Work Machine13 Aug 2026US 2026/0234907 A1Hitachi Construction Machinery Co., Ltd.
- Load dampening system13 Aug 2026US 2026/0235142 A1J. C. Bamford Excavators Limited
- Hydraulic Device with a Status Display16 Jul 2026US 2026/0201913 A1Robert Bosch GmbH
- System and Method for Controlling a Hydraulic Supply System on a Mobile Machine11 Jun 2026US 2026/0160276 A1AGCO International GmbH
Most cited
By later US patents
- 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
- Hydraulic system providing down force on a work implement109US 6,460,623 B1Caterpillar Inc. · 2002
- Cartridge valve having solenoid bypass and integral relief valve94US 5,992,450 AEaton Corporation · 1999
- Hydraulic system, manifold and volumetric compensator73US 6,519,939 B1M-Mac Actuators, Inc. · 2003