F04C 2240/802
Liners
F04C2240/802 (Liners) appears on 47 US grants and 57 published applications in this corpus.
Search patents in F04C- Granted patents
- 47
- Published applications
- 57
- Assignees
- 50
- Inventors
- 148
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 2 | 3 |
| 2013 | 0 | 3 |
| 2014 | 3 | 4 |
| 2015 | 0 | 3 |
| 2016 | 4 | 3 |
| 2017 | 7 | 3 |
| 2018 | 1 | 3 |
| 2019 | 1 | 3 |
| 2020 | 2 | 2 |
| 2021 | 4 | 4 |
| 2022 | 3 | 6 |
| 2023 | 1 | 3 |
| 2024 | 5 | 8 |
| 2025 | 9 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Screw pump and its components28 Jul 2026US 12,692,863 B2Illinois Tool Works Inc.
- Refrigeration system with a scroll machine having a plate inserted in a base of the scroll machine30 Dec 2025US 12,510,073 B2BITZER Kuehlmaschinenbau GmbH
- Pump for conveying a fluid4 Nov 2025US 12,460,634 B2Vogelsang GmbH & Co. KG
- Non-lubricated compressor with abradable sealing element and related method for assembling it1 Jul 2025US 12,345,262 B2Atlas Copco Airpower, Naamloze Vennootschap
- Scroll compressor22 Apr 2025US 12,281,653 B2LG Electronics Inc.
- Metal felt and brush structures as sealing elements in metal-metal mud motors10 Sep 2026US 2026/0266284 A1Baker Hughes Oilfield Operations LLC
- Stator lining, stator and method for producing a stator lining30 Apr 2026US 2026/0121461 A1
- Screw pump and its components27 Nov 2025US 2025/0361863 A1Illinois Tool Works Inc.
- Screw pump and its components20 Nov 2025US 2025/0354551 A1Illinois Tool Works Inc.
- Non-lubricated compressor with abradable sealing element and related method for assembling it26 Dec 2024US 2024/0426300 A1Atlas Copco Airpower, Naamloze Vennootschap
Most cited
By later US patents
- Geared pump for conveying fluids16US 6,053,718 AGeraete und Pumpenbau GmbH · 2000
- Fluid actuated generator10US 6,606,857 B1Thermal Dynamics Corporation · 2003
- Pump having a housing and a rotor capable of rotating in the housing7US 9,581,157 B2Quantex Patents Limited · 2017
- Pump and its manufacturing method5US 9,638,204 B2Quantex Patents Limited · 2017
- Rotor housing for a rotary piston type engine and method for manufacturing the same4US 3,934,321 AToyo Kogyo Co., Ltd. · 1976