F05C 2201/0439
Cast iron
F05C2201/0439 (Cast iron) appears on 127 US grants and 95 published applications in this corpus.
Search patents in F05C- Granted patents
- 127
- Published applications
- 95
- Assignees
- 89
- Inventors
- 299
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 8 | 10 |
| 2003 | 7 | 7 |
| 2004 | 4 | 8 |
| 2005 | 8 | 7 |
| 2006 | 4 | 4 |
| 2007 | 3 | 8 |
| 2008 | 5 | 4 |
| 2009 | 3 | 3 |
| 2010 | 6 | 5 |
| 2011 | 1 | 4 |
| 2012 | 1 | 3 |
| 2013 | 5 | 6 |
| 2014 | 2 | 3 |
| 2015 | 4 | 3 |
| 2016 | 2 | 3 |
| 2017 | 2 | 4 |
| 2018 | 1 | 1 |
| 2019 | 2 | 3 |
| 2020 | 3 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 3 | 3 |
| 2024 | 1 | 0 |
| 2025 | 2 | 3 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Reduced heat exchange reciprocating compressor4 Nov 2025US 12,460,625 B2Officine Mario Dorin S.P.A.
- Cam ring and plate module for vehicle vacuum pumps, and method of manufacturing the same27 May 2025US 12,312,664 B2Hyundai Motor Company
- Pump device14 May 2024US 11,982,270 B2Mikuni Corporation
- Sealing structure and scroll air compressor having same15 Aug 2023US 11,725,657 B2Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
- Cast piston for an internal combustion engine, consisting of an iron-based material27 Jun 2023US 11,686,270 B2Federal-Mogul Nurnberg GmbH
- Cam ring and plate module for vehicle vacuum pumps, and method of manufacturing the same7 Aug 2025US 2025/0250659 A1Hyundai Motor Company
- Cam ring and plate module for vehicle vacuum pumps, and method of manufacturing the same17 Apr 2025US 2025/0122601 A1Hyundai Motor Company
- Reduced heat exchange reciprocating compressor13 Mar 2025US 2025/0084839 A1Officine Mario Dorin S.P.A.
- Pump device28 Dec 2023US 2023/0417243 A1Mikuni Corporation
- Dry vacuum pump and manufacturing method12 Oct 2023US 2023/0323878 A1Pfeiffer Vacuum GmbH
Most cited
By later US patents
- Insert type member for use in a flexible type pump diaphragm83US 5,687,633 AWestinghouse Air Brake Company · 1997
- Powder metal scrolls43US 6,705,848 B2Copeland Corporation · 2004
- Rotary compressor having oxidizing and nitriding surface treatment39US 4,944,663 AHitachi, Ltd. · 1990
- Sound reduced rotary vane compressor27US 7,189,068 B2Gast Manufacturing, Inc. · 2007
- Adjustable wearplates rotary pump26US 4,940,394 ABaker Hughes Incorporated · 1990