F04D 29/5813
Cooling the control unit
Official title: {Cooling the control unit}
F04D29/5813 (Cooling the control unit) appears on 285 US grants and 363 published applications in this corpus.
Search patents in F04D- Granted patents
- 285
- Published applications
- 363
- Assignees
- 210
- Inventors
- 926
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 4 |
| 2003 | 4 | 4 |
| 2004 | 4 | 9 |
| 2005 | 1 | 2 |
| 2006 | 2 | 3 |
| 2007 | 2 | 2 |
| 2008 | 2 | 6 |
| 2009 | 1 | 2 |
| 2010 | 0 | 7 |
| 2011 | 1 | 5 |
| 2012 | 8 | 9 |
| 2013 | 7 | 13 |
| 2014 | 3 | 19 |
| 2015 | 10 | 17 |
| 2016 | 10 | 16 |
| 2017 | 8 | 24 |
| 2018 | 15 | 27 |
| 2019 | 32 | 36 |
| 2020 | 22 | 27 |
| 2021 | 24 | 31 |
| 2022 | 27 | 20 |
| 2023 | 16 | 20 |
| 2024 | 20 | 17 |
| 2025 | 24 | 23 |
| 2026 | 17 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Motor-driven centrifugal air compressor with axial airflow115US 6,129,524 ATurbodyne Systems, Inc. · 2000
- Pump assembly for delivering liquids and gases103US 4,834,624 AGrundfos International A/S · 1989
- Pump motor having fluid cooling system93US 5,997,261 ASiemens Canada Limited · 1999
- Centrifugal multistage pump61US 7,407,371 B22008
- Liquid chiller with enhanced motor cooling and lubrication60US 6,065,297 AAmerican Standard Inc. · 2000