F04C 14/10
Control of, monitoring of, or safety arrangements for, machines, pumps or pumping
Official title: characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
F04C14/10 (Control of, monitoring of, or safety arrangements for, machines, pumps or pumping) appears on 99 US grants and 90 published applications in this corpus.
Search patents in F04C- Granted patents
- 99
- Published applications
- 90
- Assignees
- 69
- Inventors
- 192
- 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 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 3 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 3 |
| 2006 | 2 | 3 |
| 2007 | 0 | 1 |
| 2008 | 1 | 4 |
| 2009 | 2 | 4 |
| 2010 | 1 | 5 |
| 2011 | 2 | 3 |
| 2012 | 3 | 3 |
| 2013 | 7 | 6 |
| 2014 | 4 | 6 |
| 2015 | 3 | 10 |
| 2016 | 5 | 3 |
| 2017 | 5 | 2 |
| 2018 | 5 | 6 |
| 2019 | 7 | 8 |
| 2020 | 2 | 2 |
| 2021 | 3 | 6 |
| 2022 | 3 | 3 |
| 2023 | 3 | 2 |
| 2024 | 3 | 3 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel supply system and fuel supply method for aircraft gas turbine engine9 Sep 2025US 12,410,791 B2IHI Corporation
- Integrated cooling module12 Nov 2024US 12,140,069 B2Coavis
- 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
- Method for controlling a circulation pump2 Jul 2026US 2026/0185528 A1Grundfos Holding A/S
- Fuel supply system and fuel supply method for aircraft gas turbine engine9 Jan 2025US 2025/0012274 A1IHI Corporation
- Automotive pendulum-slider pump26 Dec 2024US 2024/0426296 A1Pierburg Pump Technology GmbH
- Integrated cooling module8 Aug 2024US 2024/0263576 A1Coavis
- Sliding-pocket variable-displacement pump with compensation chambers4 Jan 2024US 2024/0003346 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Variable displacement gerotor pump58US 4,492,539 A1985
- Coupling device32US 6,575,281 B2Visteon Global Technologies, Inc. · 2003
- 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
- Variable displacement motor20US 4,493,622 ATRW Inc. · 1985