F04D 25/068
Mechanical details of the pump control unit
Official title: {Mechanical details of the pump control unit (pump control details F04D27/00)}
F04D25/068 (Mechanical details of the pump control unit) appears on 244 US grants and 316 published applications in this corpus.
Search patents in F04D- Granted patents
- 244
- Published applications
- 316
- Assignees
- 180
- Inventors
- 701
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 5 |
| 2008 | 2 | 5 |
| 2009 | 0 | 4 |
| 2010 | 2 | 13 |
| 2011 | 0 | 3 |
| 2012 | 7 | 11 |
| 2013 | 4 | 12 |
| 2014 | 7 | 10 |
| 2015 | 9 | 16 |
| 2016 | 11 | 30 |
| 2017 | 9 | 19 |
| 2018 | 21 | 24 |
| 2019 | 25 | 37 |
| 2020 | 25 | 22 |
| 2021 | 21 | 25 |
| 2022 | 23 | 17 |
| 2023 | 20 | 17 |
| 2024 | 15 | 14 |
| 2025 | 27 | 11 |
| 2026 | 6 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Integrated electric drive unit including an electric motor and an electronic control and monitoring module132US 6,198,183 B1DaimlerChrysler AG · 2001
- Means for engaging a remote control unit to a ceiling fan112US 5,613,832 A1997
- Low profile motor83US 6,509,704 B1Comair Rotron, Inc. · 2003
- Compressor control system and method82US 6,082,971 AIngersoll-Rand Company · 2000
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