F04D 15/0077
Safety measures
Official title: {Safety measures (F04D15/02 takes precedence)}
F04D15/0077 (Safety measures) appears on 283 US grants and 315 published applications in this corpus.
Search patents in F04D- Granted patents
- 283
- Published applications
- 315
- Assignees
- 183
- Inventors
- 590
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 0 |
| 2004 | 2 | 4 |
| 2005 | 0 | 12 |
| 2006 | 5 | 6 |
| 2007 | 4 | 6 |
| 2008 | 4 | 5 |
| 2009 | 1 | 9 |
| 2010 | 7 | 6 |
| 2011 | 4 | 8 |
| 2012 | 3 | 5 |
| 2013 | 12 | 10 |
| 2014 | 6 | 13 |
| 2015 | 5 | 14 |
| 2016 | 6 | 22 |
| 2017 | 13 | 31 |
| 2018 | 8 | 8 |
| 2019 | 28 | 15 |
| 2020 | 20 | 13 |
| 2021 | 18 | 20 |
| 2022 | 13 | 24 |
| 2023 | 18 | 21 |
| 2024 | 23 | 28 |
| 2025 | 27 | 16 |
| 2026 | 11 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Integrating domain knowledge with machine learning to optimize electrical submersible pump performance22 Sep 2026US 12,742,379 B2Schlumberger Technology Corporation
- Method for providing at least one item of information relating to a hydraulic system25 Aug 2026US 12,716,433 B2KSB SE & Co. KGaA
- Fluid delivery system health monitoring systems and methods7 Jul 2026US 12,674,459 B2Oshkosh Corporation
- Variable speed pumping system and method16 Jun 2026US 12,655,848 B2Pentair Water Pool and Spa, Inc.
- Determining and utilizing a desired frequency for a mechanical shaker for a sump pump system16 Jun 2026US 12,655,849 B2State Farm Mutual Automobile Insurance Company
- Variable speed pumping system and method8 Oct 2026US 2026/0309157 A1Pentair Water Pool and Spa, Inc.
- Fluid delivery system health monitoring systems and methods1 Oct 2026US 2026/0298249 A1Oshkosh Corporation
- Variable speed pumping system and method1 Oct 2026US 2026/0298251 A1Pentair Water Pool and Spa, Inc.
- Sensor device for monitoring a centrifugal pump17 Sep 2026US 2026/0275990 A1Wilo SE
- Method for Checking the Properties of a Conveyed Medium of a Centrifugal Pump, in Particular for Detecting a Dry Run6 Aug 2026US 2026/0226903 A1KSB SE & Co. KGaA
Most cited
By later US patents
- Motorized system integrated control and diagnostics using vibration, pressure, temperature, speed, and/or current analysis245US 7,539,549 B1Rockwell Automation Technologies, Inc. · 2009
- System and method for power management of pumping system174US 9,638,194 B2General Electric Company · 2017
- System and method of detecting cavitation in pumps166US 9,777,748 B2Eaton Corporation · 2017
- Pump with speed controller responsive to temperature109US 5,158,436 AGrundfos International A/S · 1992
- Method and apparatus for controlling operation of a submersible pump109US 6,254,353 B1General Electric Company · 2001