F04C 2240/56
Bearing bushings or details thereof
F04C2240/56 (Bearing bushings or details thereof) appears on 197 US grants and 229 published applications in this corpus.
Search patents in F04C- Granted patents
- 197
- Published applications
- 229
- Assignees
- 120
- Inventors
- 560
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 4 |
| 2013 | 3 | 17 |
| 2014 | 2 | 22 |
| 2015 | 12 | 16 |
| 2016 | 15 | 17 |
| 2017 | 13 | 15 |
| 2018 | 14 | 20 |
| 2019 | 17 | 17 |
| 2020 | 16 | 18 |
| 2021 | 22 | 19 |
| 2022 | 14 | 13 |
| 2023 | 15 | 14 |
| 2024 | 18 | 14 |
| 2025 | 17 | 10 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gear pump parallel load path24 Mar 2026US 12,584,482 B1Pratt & Whitney Canada Corp.
- Oil pump for a motor vehicle10 Feb 2026US 12,546,312 B2Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
- Eccentric slider for crankshaft, scroll compressor, and temperature control device3 Feb 2026US 12,540,642 B2Guangdong Midea Environmental Technologies Co., Ltd.
- Gear pump assembly6 Jan 2026US 12,516,668 B2ROLLS-ROYCE plc
- Hydraulic gear pump with hydrostatic shaft bearing and isolated case drain and method of operating a hydraulic gear pump11 Nov 2025US 12,467,455 B2Parker-Hannifin Corporation
- Multiphase pump of the screw spindle pump type1 Oct 2026US 2026/0298229 A1Leistritz Pumpen GmbH
- Compressor including end cap having internal features and methods of assembling the same13 Aug 2026US 2026/0235124 A1
- Gear pump parallel load path30 Jul 2026US 2026/0218702 A1Pratt & Whitney Canada Corp.
- Scroll compressor11 Jun 2026US 2026/0160250 A1Kabushiki Kaisha Toyota Jidoshokki
- Journal bearing having wear reduction slots on an end face9 Apr 2026US 2026/0098534 A1
Most cited
By later US patents
- Anti-wear coatings for scroll compressor wear surfaces43US 9,605,677 B2Emerson Climate Technologies, Inc. · 2017
- Compressor mounting36US 6,132,183 ACarrier Corporation · 2000
- Vibration isolation for a transversely mounted compressor19US 6,543,741 B1Carrier Corporation · 2003
- Screw compressor with control slider and detector16US 10,794,382 B2Bitzer Kuehlmaschinebau GmbH · 2020
- Vane type rotary machine15US 6,629,829 B1Ebara Corporation · 2003