F04C 14/12
Using sliding valves
Official title: using sliding valves
F04C14/12 (Using sliding valves) appears on 30 US grants and 23 published applications in this corpus.
Search patents in F04C- Granted patents
- 30
- Published applications
- 23
- Assignees
- 25
- Inventors
- 58
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 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 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 2 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Fuel supply system and fuel supply method for aircraft gas turbine engine9 Sep 2025US 12,410,791 B2IHI Corporation
- Rotary compressor24 Sep 2024US 12,098,718 B2LG Electronics Inc.
- Method for determining a discharge pressure of a rolling piston compressor24 Sep 2024US 12,098,722 B2Haier US Appliance Solutions, Inc.
- Sliding-pocket variable-displacement pump with compensation chambers19 Dec 2023US 11,846,284 B1Ford Global Technologies, LLC
- Variable displacement pump8 Mar 2022US 11,268,508 B2Hitachi Astemo, Ltd.
- Fuel supply system and fuel supply method for aircraft gas turbine engine9 Jan 2025US 2025/0012274 A1IHI Corporation
- Sliding-pocket variable-displacement pump with compensation chambers4 Jan 2024US 2024/0003346 A1Ford Global Technologies, LLC
- Method for determining a discharge pressure of a rolling piston compressor30 Nov 2023US 2023/0383741 A1Haier US Appliance Solutions, Inc.
- Rotary compressor4 May 2023US 2023/0137362 A1LG Electronics Inc.
- Pump body assembly, compressor and air conditioner1 Jul 2021US 2021/0199113 A1Gree Electric Appliances, Inc. of Zhuhai
Most cited
By later US patents
- Variable capacity pump having a pressure responsive relief valve arrangement28US 5,797,732 AUnisia Jecs Corporation · 1998
- Oil pump system27US 5,547,349 AAisin Seiki Kabushiki Kaisha · 1996
- Oil pump apparatus19US 5,759,013 AAisin Seiki Kabushiki Kaisha · 1998
- Oil pump apparatus13US 6,544,013 B2Aisin Seiki Kabushiki Kaisha · 2003
- Oil supply system for engine13US 7,011,069 B2Aisin Seiki Kabushiki Kaisha · 2006