F04D 15/0027
Varying behaviour or the very pump
Official title: {Varying behaviour or the very pump (F04D15/0055 and F04D29/46 take precedence)}
F04D15/0027 (Varying behaviour or the very pump) appears on 208 US grants and 212 published applications in this corpus.
Search patents in F04D- Granted patents
- 208
- Published applications
- 212
- Assignees
- 146
- Inventors
- 420
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 3 |
| 2002 | 2 | 3 |
| 2003 | 7 | 6 |
| 2004 | 7 | 3 |
| 2005 | 1 | 7 |
| 2006 | 2 | 2 |
| 2007 | 3 | 3 |
| 2008 | 2 | 3 |
| 2009 | 2 | 4 |
| 2010 | 4 | 5 |
| 2011 | 2 | 8 |
| 2012 | 5 | 9 |
| 2013 | 3 | 15 |
| 2014 | 6 | 14 |
| 2015 | 7 | 8 |
| 2016 | 8 | 17 |
| 2017 | 6 | 10 |
| 2018 | 9 | 14 |
| 2019 | 8 | 15 |
| 2020 | 18 | 19 |
| 2021 | 13 | 10 |
| 2022 | 11 | 10 |
| 2023 | 9 | 8 |
| 2024 | 10 | 8 |
| 2025 | 8 | 2 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reversing polarity of a pump on failure, and applications thereof3 Mar 2026US 12,565,893 B2Zoeller Pump Company, LLC
- System and method for generating a drive signal10 Feb 2026US 12,545,572 B2DEKA Products Limited Partneship
- System and method for pump control based on pump vibrations27 Jan 2026US 12,535,086 B2S.P.M. Instrument AB
- Axial pump with adjustable impeller23 Dec 2025US 12,504,027 B2Hewlett Packard Enterprise Development LP
- Fluid vacuum pump11 Nov 2025US 12,467,461 B2Water Technology, LLC
- Method for removing a blockage of a centrifugal pump10 Sep 2026US 2026/0266314 A1Wilo SE
- Adjustable coolant pump with annular slider27 Aug 2026US 2026/0251155 A1Nidec Gpm GmbH
- Cooling distribution unit pump efficiency optimization23 Apr 2026US 2026/0110304 A1LTI Holdings, Inc.
- Fluid vacuum pump19 Feb 2026US 2026/0049612 A1Water Technology, LLC
- Controllable coolant pump with electric auxiliary pump22 Jan 2026US 2026/0022653 A1Nidec Gpm GmbH
Most cited
By later US patents
- Electrical submersible pump and methods for enhanced utilization of electrical submersible pumps in the completion and production of wellbores267US 6,167,965 ABaker Hughes Incorporated · 2001
- Electrohydraulic energy converter for cardiac assist devices and artificial hearts193US 5,346,458 A1994
- Variable delivery pump for molten metal121US 5,509,791 A1996
- Method for multi-phase data communications and control over an ESP power cable59US 6,587,037 B1Baker Hughes Incorporated · 2003
- Multi functional pump for pumping molten metal59US 7,507,365 B22009