F04C 2240/605
Shaft sleeves or details thereof
F04C2240/605 (Shaft sleeves or details thereof) appears on 53 US grants and 61 published applications in this corpus.
Search patents in F04C- Granted patents
- 53
- Published applications
- 61
- Assignees
- 51
- Inventors
- 151
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 2 | 5 |
| 2015 | 1 | 2 |
| 2016 | 1 | 3 |
| 2017 | 3 | 6 |
| 2018 | 1 | 3 |
| 2019 | 3 | 5 |
| 2020 | 3 | 3 |
| 2021 | 6 | 4 |
| 2022 | 6 | 6 |
| 2023 | 6 | 1 |
| 2024 | 6 | 6 |
| 2025 | 6 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bearing and unloader assembly for compressors2 Dec 2025US 12,486,845 B2Copeland Corporation
- Bearing arrangement for pumps14 Oct 2025US 12,442,371 B2Hamilton Sundstrand Corporation
- Pump body assembly, compressor and air conditioner20 May 2025US 12,305,643 B2Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
- Scroll compressor with adjusting mechanism for reducing swing of eccentric bush18 Mar 2025US 12,253,081 B2Hanon Systems
- Electric compressor with isolation constraint system21 Jan 2025US 12,203,470 B2Mahle International GmbH
- Bearing and unloader assembly for compressors26 Feb 2026US 2026/0055767 A1Copeland Corporation
- Seal assembly for progressive cavity pump4 Dec 2025US 2025/0369442 A1National Oilwell Varco, L. P.
- Bearing arrangement for pumps6 Mar 2025US 2025/0075699 A1Hamilton Sundstrand Corporation
- Scroll compressor2 Jan 2025US 2025/0003406 A1Hanon Systems
- Low-pressure chamber rotary compressor and air conditioner15 Aug 2024US 2024/0271621 A1Guangzhou Deshan Cnc Technology Co., Ltd.
Most cited
By later US patents
- Face seal assembly118US 6,325,380 B1Feodor Burgmann Dichtungswerke GmbH & Co. · 2001
- Anti-wear coatings for scroll compressor wear surfaces43US 9,605,677 B2Emerson Climate Technologies, Inc. · 2017
- Pump drive head pump assembly with a hydraulic pump circuit for preventing back-spin when the drive head has been shut off22US 6,113,355 AWeatherford Holding U.S., Inc. · 2000
- Rotary helical screw-type compressor having a thermally separated oil supply container17US 6,416,302 B1GHH-Rand Schraubenkompressoren GmbH · 2002
- Lobe rotor pumps9US 4,621,994 ASSP Pumps Limited · 1986