F04C 14/00
Control of, monitoring of, or safety arrangements for, machines, pumps or pumping
Official title: Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations (of pumps or pumping installations specially adapted for elastic fluids F04C28/00)
F04C14/00 (Control of, monitoring of, or safety arrangements for, machines, pumps or pumping) appears on 1,556 US grants and 1,374 published applications in this corpus.
Search patents in F04C- Granted patents
- 1,556
- Published applications
- 1,374
- Assignees
- 656
- Inventors
- 2,626
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 10 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 15 | 0 |
| 1981 | 16 | 0 |
| 1982 | 19 | 0 |
| 1983 | 17 | 0 |
| 1984 | 18 | 0 |
| 1985 | 27 | 0 |
| 1986 | 17 | 0 |
| 1987 | 21 | 0 |
| 1988 | 20 | 0 |
| 1989 | 15 | 0 |
| 1990 | 15 | 0 |
| 1991 | 6 | 0 |
| 1992 | 12 | 0 |
| 1993 | 21 | 0 |
| 1994 | 23 | 0 |
| 1995 | 21 | 0 |
| 1996 | 18 | 0 |
| 1997 | 22 | 0 |
| 1998 | 29 | 0 |
| 1999 | 17 | 0 |
| 2000 | 43 | 0 |
| 2001 | 25 | 11 |
| 2002 | 35 | 31 |
| 2003 | 38 | 42 |
| 2004 | 32 | 35 |
| 2005 | 23 | 39 |
| 2006 | 23 | 26 |
| 2007 | 15 | 27 |
| 2008 | 19 | 58 |
| 2009 | 16 | 61 |
| 2010 | 30 | 54 |
| 2011 | 32 | 41 |
| 2012 | 39 | 49 |
| 2013 | 57 | 77 |
| 2014 | 46 | 72 |
| 2015 | 55 | 106 |
| 2016 | 54 | 85 |
| 2017 | 75 | 83 |
| 2018 | 69 | 95 |
| 2019 | 80 | 58 |
| 2020 | 60 | 73 |
| 2021 | 49 | 54 |
| 2022 | 60 | 60 |
| 2023 | 65 | 53 |
| 2024 | 55 | 43 |
| 2025 | 35 | 18 |
| 2026 | 18 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F04C 14/18Control of, monitoring of, or safety arrangements for, machines, pumps or pumping521
- F04C 14/24Control of, monitoring of, or safety arrangements for, machines, pumps or pumping493
- F04C 14/28Safety arrangements202
- F04C 14/08Control of, monitoring of, or safety arrangements for, machines, pumps or pumping193
- F04C 14/06Control of, monitoring of, or safety arrangements for, machines, pumps or pumping180
- F04C 14/02Control of, monitoring of, or safety arrangements for, machines, pumps or pumping131
- F04C 14/10Control of, monitoring of, or safety arrangements for, machines, pumps or pumping99
- F04C 14/04Control of, monitoring of, or safety arrangements for, machines, pumps or pumping96
Recent patents
- Dual oil pump with centrifugal shifter6 Oct 2026US 12,753,804 B1Schaeffler Technologies AG & Co. KG
- Progressive cavity pump system having reverse mode8 Sep 2026US 12,729,682 B2Schlumberger Technology Corporation
- Diagnostic checks of a gear pump in a fluid system25 Aug 2026US 12,716,414 B2Project Phoenix, LLC
- Rotary pump with telescoping rotor sections that vary the flow rate18 Aug 2026US 12,710,040 B1Pratt & Whitney Canada Corp.
- Fluid handling protection system28 Jul 2026US 12,693,692 B2Binks US, LLC
- Positive displacement machine with speed sensor24 Sep 2026US 2026/0286957 A1
- Signal control method, signal control apparatus, signal control device, storage medium, and computer program product24 Sep 2026US 2026/0286958 A1Risun Technology (Shenzhen) Limited
- Device for increasing pressure between an oil pump housing and an oil pump cover10 Sep 2026US 2026/0266288 A1Volvo Truck Corporation
- Gear pump parallel load path30 Jul 2026US 2026/0218702 A1Pratt & Whitney Canada Corp.
- Systems for and methods of backspin analysis for pumps23 Jul 2026US 2026/0210232 A1Sensia Netherlands B.V.
Most cited
By later US patents
- System and method for driving a pump174US 8,801,394 B2Solar Turbines Incorporated · 2014
- Pump integrity detection, monitoring and alarm generation171US 10,317,875 B2BJ Services Company · 2019
- System and method for monitoring and control of cavitation in positive displacement pumps169US 9,546,652 B2IMO Industries, Inc. · 2017
- Fluid pump changeable in diameter, in particular for medical application156US 8,944,748 B2Ecp Entwicklungsgesellschaft Mbh · 2015
- Scroll machine with continuous capacity modulation148US 6,412,293 B1Copeland Corporation · 2002