F04B 1/2035
Cylinder barrels
F04B1/2035 (Cylinder barrels) appears on 131 US grants and 135 published applications in this corpus.
Search patents in F04B- Granted patents
- 131
- Published applications
- 135
- Assignees
- 80
- Inventors
- 271
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 6 | 4 |
| 2004 | 3 | 3 |
| 2005 | 1 | 6 |
| 2006 | 2 | 5 |
| 2007 | 3 | 3 |
| 2008 | 6 | 3 |
| 2009 | 4 | 2 |
| 2010 | 3 | 3 |
| 2011 | 0 | 3 |
| 2012 | 2 | 4 |
| 2013 | 1 | 3 |
| 2014 | 5 | 6 |
| 2015 | 6 | 13 |
| 2016 | 0 | 13 |
| 2017 | 11 | 11 |
| 2018 | 7 | 6 |
| 2019 | 13 | 9 |
| 2020 | 11 | 7 |
| 2021 | 10 | 6 |
| 2022 | 5 | 3 |
| 2023 | 2 | 3 |
| 2024 | 3 | 5 |
| 2025 | 5 | 9 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cylinder block with detected portions and hydraulic device including same15 Sep 2026US 12,736,046 B2Kawasaki Jukogyo Kabushiki Kaisha
- 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
- Integrated electro-hydraulic unit14 Apr 2026US 12,601,332 B2Robert Bosch GmbH
- Hydraulic device17 Feb 2026US 12,553,410 B2Bucher Hydraulics AG
- Slipper component with ceramic surface30 Jul 2026US 2026/0218689 A1Ocean Pacific Technologies
- Axial piston device12 Mar 2026US 2026/0071606 A1Kubota Corporation
- Axial piston pumps12 Mar 2026US 2026/0071620 A1Zhong Moyuan Technology (Shanghai) Co., Ltd.
- Hydraulic system25 Dec 2025US 2025/0389285 A1Kawasaki Jukogyo Kabushiki Kaisha
- A hydraulic device27 Nov 2025US 2025/0361849 A1Innas B.V.
Most cited
By later US patents
- Hydraulic pump of the axial piston type43US 4,007,663 AMitsubishi Kogyo Kabushiki Kaisha · 1977
- Volumetric fluid machine equipped with pistons without connecting rods30US 5,636,561 A1997
- Rotor positioning system in a pressure exchange vessel21US 10,125,796 B22018
- Hydraulic pump or motor19US 4,075,933 AGresen Manufacturing Company · 1978
- Bent axis type axial piston pump or motor18US 4,872,394 AShimadzu Corporation · 1989