F05C 2201/04
Heavy metals
F05C2201/04 (Heavy metals) appears on 1,147 US grants and 540 published applications in this corpus.
Search patents in F05C- Granted patents
- 1,147
- Published applications
- 540
- Assignees
- 495
- Inventors
- 2,285
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 13 | 0 |
| 1978 | 18 | 0 |
| 1979 | 11 | 0 |
| 1980 | 10 | 0 |
| 1981 | 16 | 0 |
| 1982 | 19 | 0 |
| 1983 | 12 | 0 |
| 1984 | 17 | 0 |
| 1985 | 34 | 0 |
| 1986 | 23 | 0 |
| 1987 | 39 | 0 |
| 1988 | 31 | 0 |
| 1989 | 32 | 0 |
| 1990 | 32 | 0 |
| 1991 | 36 | 0 |
| 1992 | 42 | 0 |
| 1993 | 24 | 0 |
| 1994 | 33 | 0 |
| 1995 | 28 | 0 |
| 1996 | 33 | 0 |
| 1997 | 39 | 0 |
| 1998 | 43 | 0 |
| 1999 | 32 | 0 |
| 2000 | 48 | 0 |
| 2001 | 45 | 10 |
| 2002 | 40 | 32 |
| 2003 | 32 | 33 |
| 2004 | 28 | 31 |
| 2005 | 22 | 32 |
| 2006 | 15 | 27 |
| 2007 | 12 | 30 |
| 2008 | 21 | 29 |
| 2009 | 19 | 37 |
| 2010 | 23 | 28 |
| 2011 | 15 | 35 |
| 2012 | 13 | 20 |
| 2013 | 16 | 24 |
| 2014 | 18 | 17 |
| 2015 | 15 | 29 |
| 2016 | 18 | 21 |
| 2017 | 15 | 17 |
| 2018 | 14 | 16 |
| 2019 | 16 | 12 |
| 2020 | 20 | 18 |
| 2021 | 11 | 9 |
| 2022 | 11 | 8 |
| 2023 | 6 | 7 |
| 2024 | 7 | 6 |
| 2025 | 10 | 9 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compressor4 Aug 2026US 12,698,771 B2Carrier Japan Corporation
- Method for producing a water-hydraulic machine24 Mar 2026US 12,584,470 B2Danfoss A/S
- Self-locking membrane system11 Nov 2025US 12,467,445 B2ProMinent GmbH
- Reduced heat exchange reciprocating compressor4 Nov 2025US 12,460,625 B2Officine Mario Dorin S.P.A.
- Wear resistant fluid ends28 Oct 2025US 12,454,951 B2Kennametal Inc.
- Vacuum pump17 Sep 2026US 2026/0275984 A1
- Double diaphragm pump with improved plain bearing27 Aug 2026US 2026/0251134 A1Lutz Pumpen GmbH
- Pumps having components including carbon-manganese-chromium (c-mn-cr) steel alloys and related methods19 Mar 2026US 2026/0078474 A1Vulcan Industrial Holdings, LLC
- Compressor11 Dec 2025US 2025/0376981 A1Carrier Japan Corporation
- Cam ring and plate module for vehicle vacuum pumps, and method of manufacturing the same7 Aug 2025US 2025/0250659 A1Hyundai Motor Company
Most cited
By later US patents
- Linear pump231US 5,924,975 AInternational Business Machines Corporation · 1999
- Composite synthetic materials149US 4,960,643 A1990
- Fastening devices140US 5,332,348 A1994
- Double-wall airfoil127US 5,626,462 AGeneral Electric Company · 1997
- Thermally sprayed aluminum-bronze coatings on aluminum engine bores121US 5,080,056 AGeneral Motors Corporation · 1992