F04B 1/2078
Swash plates
F04B1/2078 (Swash plates) appears on 283 US grants and 236 published applications in this corpus.
Search patents in F04B- Granted patents
- 283
- Published applications
- 236
- Assignees
- 124
- Inventors
- 549
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 4 |
| 2003 | 4 | 3 |
| 2004 | 3 | 5 |
| 2005 | 2 | 6 |
| 2006 | 4 | 6 |
| 2007 | 3 | 9 |
| 2008 | 5 | 2 |
| 2009 | 6 | 12 |
| 2010 | 6 | 7 |
| 2011 | 2 | 3 |
| 2012 | 5 | 6 |
| 2013 | 5 | 9 |
| 2014 | 4 | 16 |
| 2015 | 9 | 20 |
| 2016 | 12 | 18 |
| 2017 | 16 | 14 |
| 2018 | 14 | 14 |
| 2019 | 20 | 11 |
| 2020 | 20 | 14 |
| 2021 | 10 | 14 |
| 2022 | 9 | 11 |
| 2023 | 15 | 9 |
| 2024 | 5 | 8 |
| 2025 | 8 | 8 |
| 2026 | 10 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Axial piston pumps25 Aug 2026US 12,716,404 B2Zhong Moyuan Technology (Shanghai) Co., Ltd.
- Slipper component with ceramic surface11 Aug 2026US 12,704,117 B2Ocean Pacific Technologies
- Inline piston pump11 Aug 2026US 12,704,118 B2Eaton Intelligent Power Limited
- Bottom hole assembly for rotary drilling5 May 2026US 12,618,288 B1Saudi Arabian Oil Company
- Straight axis variable displacement piston pump with rotating swash plate14 Apr 2026US 12,601,333 B2Hamilton Sundstrand Corporation
- Improved axial piston hydraulic machine6 Aug 2026US 2026/0226888 A1
- Slipper component with ceramic surface30 Jul 2026US 2026/0218689 A1Ocean Pacific Technologies
- Wobble plate for sprayer cleaning systems18 Jun 2026US 2026/0166572 A1Techtronic Cordless GP
- Variable displacement pump and method for regulating such pump30 Apr 2026US 2026/0117761 A1Casappa S.P.A.
- Axial piston device12 Mar 2026US 2026/0071606 A1Kubota Corporation
Most cited
By later US patents
- Servo pump for hydraulic systems49US 4,529,362 AHitachi, Ltd. · 1985
- Hydraulic pump of the axial piston type43US 4,007,663 AMitsubishi Kogyo Kabushiki Kaisha · 1977
- Hydrostatic axial piston pump with three bearing arrangement40US 5,501,578 ASauer Inc. · 1996
- Triple discharge pump38US 4,153,391 ACarr-Griff, Inc. · 1979
- Axial piston pump or motor with multi position swash plate25US 4,690,036 AKayaba Kogyo Kabushiki Kaisha · 1987