F04D 15/0272
The condition being wear or a position
Official title: {the condition being wear or a position}
F04D15/0272 (The condition being wear or a position) appears on 37 US grants and 33 published applications in this corpus.
Search patents in F04D- Granted patents
- 37
- Published applications
- 33
- Assignees
- 30
- Inventors
- 75
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 3 | 2 |
| 2023 | 4 | 2 |
| 2024 | 4 | 7 |
| 2025 | 7 | 6 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Adaptive learning system for improving sump pump control15 Jul 2025US 12,359,669 B2State Farm Mutual Automobile Insurance Company
- Motor driven pump with prognostic health monitoring based on motor characteristics20 May 2025US 12,305,636 B2Hamilton Sundstrand Corporation
- Determining and utilizing a desired frequency for a mechanical shaker for a sump pump system1 Apr 2025US 12,264,680 B2State Farm Mutual Automobile Insurance Company
- Detecting and utilizing a rise rate for sump pump system control4 Mar 2025US 12,241,471 B2State Farm Mutual Automobile Insurance Company
- Mechanical reverse rotation prevention device for canned motor pump16 Jul 2026US 2026/0201887 A1Hyosung Goodsprings, Inc.
- Method for Monitoring the Operation of a Pump, Preferably a Centrifugal Pump30 Apr 2026US 2026/0117777 A1KSB SE & Co. KGaA
- Determining and utilizing a desired frequency for a mechanical shaker for a sump pump system19 Jun 2025US 2025/0198415 A1State Farm Mutual Automobile Insurance Company
- Detecting and utilizing water vibrations in sump pump system control29 May 2025US 2025/0172151 A1State Farm Mutual Automobile Insurance Company
- Systems and methods for manipulating control of sump pumps to extend lifespans of sump pumps29 May 2025US 2025/0172152 A1State Farm Mutual Automobile Insurance Company
Most cited
By later US patents
- Sealless pump corrosion detector50US 5,297,940 AIngersoll-Dresser Pump Company · 1994
- Bearing wear detection devices21US 3,981,621 AThe A.P.V. Company Limited · 1976
- Rotary fluid pump19US 5,944,489 ACrane Co. · 1999
- Apparatus for measuring changes in radial and/or axial position of a rotor in a drive system including an EMF producing stationary conductor13US 5,248,940 AHMD Seal/Less Pumps Limited · 1993
- Submersible thrust limit switch11US 4,057,365 A1977