F05C 2201/0475
Copper or alloys thereof
F05C2201/0475 (Copper or alloys thereof) appears on 141 US grants and 72 published applications in this corpus.
Search patents in F05C- Granted patents
- 141
- Published applications
- 72
- Assignees
- 110
- Inventors
- 348
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 7 |
| 2003 | 4 | 4 |
| 2004 | 3 | 3 |
| 2005 | 2 | 4 |
| 2006 | 3 | 1 |
| 2007 | 2 | 7 |
| 2008 | 2 | 4 |
| 2009 | 3 | 3 |
| 2010 | 3 | 1 |
| 2011 | 1 | 5 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 1 | 6 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 3 | 4 |
| 2019 | 3 | 1 |
| 2020 | 3 | 3 |
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 4 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Self-locking membrane system11 Nov 2025US 12,467,445 B2ProMinent GmbH
- Cavitation resistant journal bearing11 Mar 2025US 12,247,617 B2Hamilton Sundstrand Corporation
- Compressor with two rotors coaxially disposed on a connecting assembly sleeved on the shaft that limits relative movement between them24 Sep 2024US 12,098,720 B2Gree Electric Appliances, Inc. of Zhuhai
- Compressor with a suction valve having a spring, a seal, and a cylindrical suction valve body18 Jun 2024US 12,012,964 B2Siam Compressor Industry Co., Ltd.
- Full-metal anti-high temperature cycloid downhole motor13 Dec 2022US 11,525,443 B1China University of Geosciences (Beijing)
- Cavitation resistant journal bearing13 Jun 2024US 2024/0191752 A1Hamilton Sundstrand Corporation
- Self-locking membrane system2 May 2024US 2024/0141883 A1ProMinent GmbH
- Method of designing and producing fiber-reinforced polymer pistons29 Feb 2024US 2024/0066644 A1AWA Forged Composites, LLC
- Compressor and Air Conditioner1 Feb 2024US 2024/0035471 A1Gree Electric Appliances, Inc. of Zhuhai
- A compressor10 Aug 2023US 2023/0250822 A1Siam Compressor Industry Co., Ltd.
Most cited
By later US patents
- Method and equipment for improving the efficiency of compressors and refrigerators94US 10,961,995 B22021
- Integrated high capacity compressor56US 4,190,402 AInternational Telephone and Telegraph Corporation · 1980
- Triple discharge pump38US 4,153,391 ACarr-Griff, Inc. · 1979
- Piston for an internal combustion engine and method for producing same38US 4,334,507 AMahle GmbH · 1982
- Swash plate type compressor37US 4,285,640 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1981