F04D 15/0088
Testing machines
Official title: {Testing machines}
F04D15/0088 (Testing machines) appears on 594 US grants and 715 published applications in this corpus.
Search patents in F04D- Granted patents
- 594
- Published applications
- 715
- Assignees
- 322
- Inventors
- 1,374
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 3 |
| 2002 | 3 | 3 |
| 2003 | 11 | 6 |
| 2004 | 6 | 8 |
| 2005 | 4 | 12 |
| 2006 | 6 | 9 |
| 2007 | 3 | 15 |
| 2008 | 7 | 23 |
| 2009 | 8 | 10 |
| 2010 | 13 | 19 |
| 2011 | 12 | 13 |
| 2012 | 12 | 25 |
| 2013 | 20 | 17 |
| 2014 | 13 | 25 |
| 2015 | 10 | 33 |
| 2016 | 26 | 31 |
| 2017 | 24 | 57 |
| 2018 | 20 | 37 |
| 2019 | 47 | 37 |
| 2020 | 45 | 42 |
| 2021 | 38 | 62 |
| 2022 | 41 | 54 |
| 2023 | 52 | 41 |
| 2024 | 56 | 65 |
| 2025 | 52 | 42 |
| 2026 | 22 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- 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
- Pump monitoring system and method2 Jun 2026US 12,644,449 B2Viking Pump, Inc.
- Method for Detecting Cavitation and/or a Bubbling-in or Inflow of Air within a Hydraulic System8 Oct 2026US 2026/0309158 A1KSB SE & Co. KGaA
- Fluid delivery system health monitoring systems and methods1 Oct 2026US 2026/0298249 A1Oshkosh Corporation
- Determining electrical submersible pump lifetime expectancy24 Sep 2026US 2026/0286834 A1Saudi Arabian Oil Company
- Method for removing a blockage of a centrifugal pump10 Sep 2026US 2026/0266314 A1Wilo SE
- Disengagement test system and method for a pump13 Aug 2026US 2026/0235129 A1Xi'an Space Engine Company Limited
Most cited
By later US patents
- Drug pump systems and methods658US 6,241,704 B1SIMS Deltec, Inc. · 2001
- Drug pump systems and methods455US 6,475,180 B2SIMS Deltec, Inc. · 2002
- Systems and methods for automated testing of medical equipment393US 5,669,877 ASIMS Deltec, Inc. · 1997
- Method and apparatus for diagnosing a pump system374US 6,330,525 B1Innovation Management Group, Inc. · 2001
- Rotary blood pump diagnostics and cardiac output controller352US 6,949,066 B2World Heart Corporation · 2005