F04D 29/026
Especially adapted for liquid pumps
Official title: {especially adapted for liquid pumps}
F04D29/026 (Especially adapted for liquid pumps) appears on 429 US grants and 536 published applications in this corpus.
Search patents in F04D- Granted patents
- 429
- Published applications
- 536
- Assignees
- 293
- Inventors
- 1,099
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 4 |
| 2003 | 7 | 5 |
| 2004 | 2 | 10 |
| 2005 | 4 | 15 |
| 2006 | 5 | 6 |
| 2007 | 2 | 7 |
| 2008 | 8 | 15 |
| 2009 | 4 | 10 |
| 2010 | 3 | 16 |
| 2011 | 9 | 14 |
| 2012 | 9 | 13 |
| 2013 | 16 | 28 |
| 2014 | 16 | 30 |
| 2015 | 9 | 18 |
| 2016 | 16 | 26 |
| 2017 | 18 | 39 |
| 2018 | 15 | 28 |
| 2019 | 29 | 29 |
| 2020 | 40 | 45 |
| 2021 | 23 | 29 |
| 2022 | 37 | 36 |
| 2023 | 32 | 33 |
| 2024 | 36 | 34 |
| 2025 | 30 | 23 |
| 2026 | 23 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water based coating composition for wind blades29 Sep 2026US 12,747,370 B2Hempel A/S
- Axial pump and riser18 Aug 2026US 12,710,044 B2Molten Metal Equipment Innovations, LLC
- Electric coolant pump with expansion compensating seal18 Aug 2026US 12,710,051 B2Multi Parts Supply USA, Inc.
- Liquid pump permanent magnet rotor with plastic insert and channel arrangement14 Jul 2026US 12,680,548 B2Bühler Motor GmbH
- Cooling component for automobile and manufacturing method of cooling component for automobile14 Jul 2026US 12,680,554 B2Yamada Manufacturing Co., Ltd.
- Pump Assembly1 Oct 2026US 2026/0298263 A1KSB SE & Co. KGaA
- Rotor for a fluid pump, and method and mold for manufacturing same24 Sep 2026US 2026/0286968 A1Ecp Entwicklungsgesellschaft Mbh
- Pump arrangement24 Sep 2026US 2026/0286983 A1ECP Entwicklungsgesselschaft mbH
- Submersible pump with stage erosion control17 Sep 2026US 2026/0275989 A1Schlumberger Technology Corporation
- High-speed pressurized impeller disk27 Aug 2026US 2026/0251150 A1P3 Technologies, LLC
Most cited
By later US patents
- Expandable impeller pump391US 7,393,181 B2Datascope Investment Corp. · 2008
- Expandable impeller pump296US 7,927,068 B2The Penn State Research Foundation · 2011
- Expandable impeller pump197US 8,376,707 B2The Penn State Research Foundation · 2013
- Pump arrangement149US 9,328,741 B2Ecp Entwicklungsgesellschaft Mbh · 2016
- Rotary blood pump with ceramic members129US 6,158,984 AKriton Medical, Inc. · 2000