F15B 15/1433
End caps
Official title: {End caps (F15B15/1438 takes precedence)}
F15B15/1433 (End caps) appears on 190 US grants and 136 published applications in this corpus.
Search patents in F15B- Granted patents
- 190
- Published applications
- 136
- Assignees
- 137
- Inventors
- 338
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 9 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 3 |
| 2002 | 4 | 5 |
| 2003 | 5 | 2 |
| 2004 | 5 | 0 |
| 2005 | 1 | 4 |
| 2006 | 1 | 3 |
| 2007 | 4 | 2 |
| 2008 | 1 | 5 |
| 2009 | 2 | 2 |
| 2010 | 1 | 3 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 0 | 3 |
| 2014 | 3 | 4 |
| 2015 | 3 | 7 |
| 2016 | 5 | 4 |
| 2017 | 7 | 14 |
| 2018 | 8 | 5 |
| 2019 | 12 | 9 |
| 2020 | 2 | 7 |
| 2021 | 11 | 7 |
| 2022 | 8 | 8 |
| 2023 | 5 | 9 |
| 2024 | 4 | 7 |
| 2025 | 9 | 13 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Actuator assembly for a heavy construction machine25 Aug 2026US 12,716,429 B2Wipro Enterprises Pvt Ltd
- Magnetic coupling pneumatic linear motion actuator2 Jun 2026US 12,644,476 B2
- Force overshoot and other pressure disturbance mitigation in pneumatic force control devices21 Apr 2026US 12,605,849 B2ATI Industrial Automation, Inc.
- Seal plate method for communicating retract oil to retract side of piston in hydraulic cylinder7 Apr 2026US 12,595,811 B2Rosenboom Machine & Tool, Inc.
- Working cylinder31 Mar 2026US 12,590,595 B2BüMach Engineering International B. V.
- Leakage cause discrimination system and leakage cause discrimination method20 Aug 2026US 2026/0243281 A1KYB Corporation
- Dual-wall cylinder for fluid control device actuator13 Aug 2026US 2026/0235144 A1
- Hydraulic actuator9 Apr 2026US 2026/0098550 A1Bridgestone Corporation
- Dual-Parallel Actuator Piston Interface2 Apr 2026US 2026/0092611 A1
- Hydraulic cylinder12 Mar 2026US 2026/0071637 A1SMC Corporation
Most cited
By later US patents
- Fluid cylinder block having a stress distributing joint67US 9,188,121 B1Forum US, Inc. · 2015
- Pneumatic pop-up units for material handling equipment52US 6,516,934 B22003
- Fluid actuator with internal pressure relief valve49US 5,275,086 AUnlimited Solutions, Inc. · 1994
- Hydraulic actuator with built-in pressure compensator34US 6,783,107 B2HP&T Products, Inc. · 2004
- Pneumatic fastener driving apparatus with piston holding detent24US 5,181,450 A1993