F04B 1/2028
Bearings
F04B1/2028 (Bearings) appears on 25 US grants and 21 published applications in this corpus.
Search patents in F04B- Granted patents
- 25
- Published applications
- 21
- Assignees
- 22
- Inventors
- 57
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 3 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 4 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 3 | 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.
- Inline piston pump11 Aug 2026US 12,704,118 B2Eaton Intelligent Power Limited
- 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
- Straight axis variable displacement piston pump with feature to minimize piston side loading23 Sep 2025US 12,421,944 B1Hamilton Sundstrand Corporation
- Axial piston pumps12 Mar 2026US 2026/0071620 A1Zhong Moyuan Technology (Shanghai) Co., Ltd.
- Piston assembly for hydraulic pump13 Nov 2025US 2025/0347276 A1Goodrich Actuation Systems Limited
- 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
- Hydraulic machine with a threaded central pin for setting machine preload12 Dec 2024US 2024/0410282 A1Dana Motion Systems Italia S.R.L.
Most cited
By later US patents
- Rotary piston machines14US 6,152,014 A2000
- Radial bearing for drive plate of inclined-axis type axial piston machine13US 4,546,692 AHydromatik GmbH · 1985
- Rotary piston motor11US 6,938,590 B22005
- Hydraulic pump10US 6,368,072 B1Kayaba Kogyo Kabushiki Kaisha · 2002
- Sliding bearing with self-adjusted load bearing capacity7US 5,983,781 ASauer Inc. · 1999