F04D 13/06
The pump being electrically driven
Official title: the pump being electrically driven
F04D13/06 (The pump being electrically driven) appears on 3,677 US grants and 4,121 published applications in this corpus.
Search patents in F04D- Granted patents
- 3,677
- Published applications
- 4,121
- Assignees
- 1,399
- Inventors
- 6,483
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 21 | 0 |
| 1978 | 11 | 0 |
| 1979 | 8 | 0 |
| 1980 | 16 | 0 |
| 1981 | 13 | 0 |
| 1982 | 9 | 0 |
| 1983 | 16 | 0 |
| 1984 | 13 | 0 |
| 1985 | 17 | 0 |
| 1986 | 12 | 0 |
| 1987 | 14 | 0 |
| 1988 | 14 | 0 |
| 1989 | 24 | 0 |
| 1990 | 15 | 0 |
| 1991 | 28 | 0 |
| 1992 | 38 | 0 |
| 1993 | 28 | 0 |
| 1994 | 32 | 0 |
| 1995 | 30 | 0 |
| 1996 | 23 | 0 |
| 1997 | 32 | 0 |
| 1998 | 24 | 0 |
| 1999 | 29 | 0 |
| 2000 | 54 | 0 |
| 2001 | 69 | 15 |
| 2002 | 47 | 35 |
| 2003 | 52 | 52 |
| 2004 | 36 | 58 |
| 2005 | 34 | 73 |
| 2006 | 29 | 69 |
| 2007 | 30 | 94 |
| 2008 | 35 | 71 |
| 2009 | 36 | 78 |
| 2010 | 53 | 85 |
| 2011 | 47 | 103 |
| 2012 | 52 | 107 |
| 2013 | 86 | 170 |
| 2014 | 95 | 204 |
| 2015 | 106 | 240 |
| 2016 | 121 | 241 |
| 2017 | 167 | 258 |
| 2018 | 166 | 220 |
| 2019 | 268 | 253 |
| 2020 | 249 | 266 |
| 2021 | 220 | 314 |
| 2022 | 241 | 243 |
| 2023 | 233 | 245 |
| 2024 | 250 | 244 |
| 2025 | 260 | 213 |
| 2026 | 153 | 170 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F04D 13/08For submerged use1,576
- F04D 13/0606Canned motor pumps828
- F04D 13/0686Mechanical details of the pump control unit214
- F04D 13/0693Details or arrangements of the wiring202
- F04D 13/0646The hollow pump or motor shaft being the conduit for the working193
- F04D 13/0666The motor being of the plane gap type182
- F04D 13/068Battery powered162
- F04D 13/0653The motor being flooded74
All 10 subgroupsShow fewer
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Most cited
By later US patents
- Surgical irrigation apparatus and methods for use502US 6,162,194 AApollo Camera, LLC · 2000
- Cardiac assist pump with steady rate supply of fluid lubricant443US 4,927,407 ARegents of the University of Minnesota · 1990
- Rotary blood pump405US 6,234,772 B1Kriton Medical, Inc. · 2001
- Method for providing a jewel bearing for supporting a pump rotor shaft388US 6,254,359 B1The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 2001
- Axial flow blood pump with hydrodynamically suspended rotor386US 5,211,546 ANu-Tech Industries, Inc. · 1993