F04C 14/28
Safety arrangements
Official title: Safety arrangements; Monitoring
F04C14/28 (Safety arrangements) appears on 202 US grants and 218 published applications in this corpus.
Search patents in F04C- Granted patents
- 202
- Published applications
- 218
- Assignees
- 181
- Inventors
- 474
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 8 | 0 |
| 2001 | 6 | 4 |
| 2002 | 4 | 4 |
| 2003 | 7 | 8 |
| 2004 | 5 | 5 |
| 2005 | 7 | 6 |
| 2006 | 1 | 2 |
| 2007 | 3 | 2 |
| 2008 | 4 | 1 |
| 2009 | 3 | 6 |
| 2010 | 2 | 2 |
| 2011 | 2 | 5 |
| 2012 | 1 | 6 |
| 2013 | 5 | 10 |
| 2014 | 4 | 10 |
| 2015 | 4 | 11 |
| 2016 | 4 | 7 |
| 2017 | 6 | 13 |
| 2018 | 8 | 15 |
| 2019 | 13 | 17 |
| 2020 | 13 | 14 |
| 2021 | 11 | 13 |
| 2022 | 13 | 15 |
| 2023 | 16 | 16 |
| 2024 | 15 | 9 |
| 2025 | 10 | 5 |
| 2026 | 6 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Diagnostic checks of a gear pump in a fluid system25 Aug 2026US 12,716,414 B2Project Phoenix, LLC
- Fluid handling protection system28 Jul 2026US 12,693,692 B2Binks US, LLC
- Fluid rotary machine with an encoder module23 Jun 2026US 12,662,985 B2Danfoss Power Solutions ApS
- Interlock apparatus for chemical supply system19 May 2026US 12,630,411 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Liquid pump device28 Apr 2026US 12,612,913 B2Mikuni Corporation
- 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
- Systems for and methods of backspin analysis for pumps23 Jul 2026US 2026/0210232 A1Sensia Netherlands B.V.
- Method for controlling an eccentric screw pump23 Jul 2026US 2026/0210354 A1Seepex GmbH
- Lubrication system for an internal combustion engine25 Jun 2026US 2026/0176992 A1DAF Trucks N. V.
Most cited
By later US patents
- 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
- Overheat protection for fluid pump89US 6,837,688 B2Standex International Corporation · 2005
- Positive displacement screw pump having pressure feedback control67US 5,348,453 AJames River Corporation of Virginia · 1994
- Fluid level control for a downhole well pumping system65US 6,497,556 B2CDX Gas, LLC · 2002