F05C 2201/0469
Other heavy metals
F05C2201/0469 (Other heavy metals) appears on 203 US grants and 92 published applications in this corpus.
Search patents in F05C- Granted patents
- 203
- Published applications
- 92
- Assignees
- 126
- Inventors
- 439
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 11 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 15 | 0 |
| 2001 | 10 | 2 |
| 2002 | 8 | 10 |
| 2003 | 6 | 7 |
| 2004 | 5 | 3 |
| 2005 | 2 | 5 |
| 2006 | 4 | 1 |
| 2007 | 2 | 7 |
| 2008 | 3 | 5 |
| 2009 | 3 | 6 |
| 2010 | 4 | 2 |
| 2011 | 3 | 5 |
| 2012 | 1 | 2 |
| 2013 | 1 | 4 |
| 2014 | 2 | 4 |
| 2015 | 1 | 7 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 3 | 4 |
| 2019 | 3 | 2 |
| 2020 | 4 | 4 |
| 2021 | 1 | 1 |
| 2022 | 3 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 4 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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)
- Pumps having components including carbon-manganese-chromium (c-mn-cr) steel alloys and related methods19 Mar 2026US 2026/0078474 A1Vulcan Industrial Holdings, LLC
- 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
Most cited
By later US patents
- Method and equipment for improving the efficiency of compressors and refrigerators94US 10,961,995 B22021
- Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography73US 5,601,707 AIsco, Inc. · 1997
- Integrated high capacity compressor56US 4,190,402 AInternational Telephone and Telegraph Corporation · 1980
- Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography55US 5,614,089 AIsco, Inc. · 1997
- Apparatus and method for pumping supercritical fluid and measuring flow thereof55US 5,755,559 AIsco, Inc. · 1998