F04B 1/2071
Bearings for cylinder barrels
F04B1/2071 (Bearings for cylinder barrels) appears on 37 US grants and 31 published applications in this corpus.
Search patents in F04B- Granted patents
- 37
- Published applications
- 31
- Assignees
- 26
- Inventors
- 84
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 0 | 2 |
| 2007 | 2 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 0 | 2 |
| 2016 | 2 | 9 |
| 2017 | 3 | 2 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 2 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Axial piston pumps25 Aug 2026US 12,716,404 B2Zhong Moyuan Technology (Shanghai) Co., Ltd.
- Hydraulic device17 Feb 2026US 12,553,410 B2Bucher Hydraulics AG
- Centering the housing parts of an axial piston machine25 Nov 2025US 12,480,402 B2Robert Bosch GmbH
- Integrated electro-hydraulic unit housing7 Oct 2025US 12,435,711 B2Robert Bosch GmbH
- Axial piston machine with high drive rotational speed5 Sep 2023US 11,746,762 B2Robert Bosch GmbH
- Axial piston pumps12 Mar 2026US 2026/0071620 A1Zhong Moyuan Technology (Shanghai) Co., Ltd.
- A hydraulic device27 Nov 2025US 2025/0361849 A1Innas B.V.
- Integrated electro-hydraulic unit housing13 Mar 2025US 2025/0084837 A1Robert Bosch GmbH
- Centering the Housing Parts of an Axial Piston Machine6 Feb 2025US 2025/0043684 A1Robert Bosch GmbH
- Axial Piston Machine with High Drive Rotational Speed14 Jul 2022US 2022/0220948 A1Robert Bosch GmbH
Most cited
By later US patents
- Axial piston machine, more particularly axial piston pump of the inclined disc or skew axis type20US 4,602,554 AHydromatik GmbH · 1986
- Swashplate type axial-piston pump20US 4,615,257 A1986
- Axial piston pump18US 5,538,401 ADenison Hydraulics Inc. · 1996
- Swivel slide bearing12US 7,223,019 B2Brueninghaus Hydromatik GmbH · 2007
- Axial piston pump10US 4,092,905 ATeleflex Incorporated · 1978