F04C 18/40
Having the movement defined in group f04c18/08 or f04c18/22 and having a
Official title: having the movement defined in group F04C18/08 or F04C18/22 and having a hinged member
F04C18/40 (Having the movement defined in group f04c18/08 or f04c18/22 and having a) appears on 26 US grants and 28 published applications in this corpus.
Search patents in F04C- Granted patents
- 26
- Published applications
- 28
- Assignees
- 20
- Inventors
- 56
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 2 | 3 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 0 | 2 |
| 2016 | 0 | 2 |
| 2017 | 2 | 4 |
| 2018 | 3 | 1 |
| 2019 | 5 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Rotary pump or motor with improved intake, exhaust, vane and bearingless sleeve features7 Oct 2025US 12,435,717 B2
- Electric compressor system for vehicle31 May 2022US 11,346,345 B2Hyundai Motor Company
- Compressor with mechanical seal19 Apr 2022US 11,306,722 B2Forums US, Inc.
- Revolving outer body rotary vane compressor or expander4 Jun 2019US 10,309,222 B2Pars Maina Sanayi Ve Ticaret Limited Sirketi
- Rotary fluid machinery and method for eliminating axial rotor displacement7 May 2019US 10,280,921 B2Jiangsu Fengtai Fluid Machinery Technology Co., Ltd.
- Rotary pump or motor with improved intake, exhaust, vane and bearingless sleeve features4 Dec 2025US 2025/0369440 A1
- Rotary pump or motor with improved intake, exhaust, vane and bearingless sleeve features16 Mar 2023US 2023/0083167 A1
- Compressor with liquid injection cooling23 Dec 2021US 2021/0396232 A1Hicor Technologies, Inc.
- Electric compressor system for vehicle29 Apr 2021US 2021/0123450 A1Hyundai Motor Company
- Compressor with liquid injection cooling23 Jan 2020US 2020/0025202 A1Hicor Technologies, Inc.
Most cited
By later US patents
- Reversible pivoting vane rotary compressor for a valve-free oxygen concentrator41US 6,749,405 B22004
- Valve-free oxygen concentrator featuring reversible compressors27US 7,114,932 B12006
- Pivoting vane rotary compressor21US 6,371,745 B12002
- Vapor-compression evaporative air conditioning systems and components21US 6,427,453 B1The Texas A&M University System · 2002
- Vapor-compression evaporative air conditioning systems and components14US 6,684,658 B2The Texas A&M University System · 2004