F04D 29/586
Specially adapted for liquid pumps
Official title: {specially adapted for liquid pumps}
F04D29/586 (Specially adapted for liquid pumps) appears on 532 US grants and 576 published applications in this corpus.
Search patents in F04D- Granted patents
- 532
- Published applications
- 576
- Assignees
- 402
- Inventors
- 1,324
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 2 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 0 |
| 2002 | 6 | 11 |
| 2003 | 12 | 14 |
| 2004 | 5 | 10 |
| 2005 | 6 | 15 |
| 2006 | 6 | 19 |
| 2007 | 15 | 14 |
| 2008 | 8 | 10 |
| 2009 | 8 | 14 |
| 2010 | 5 | 14 |
| 2011 | 6 | 9 |
| 2012 | 7 | 13 |
| 2013 | 10 | 23 |
| 2014 | 11 | 20 |
| 2015 | 9 | 17 |
| 2016 | 14 | 26 |
| 2017 | 16 | 28 |
| 2018 | 17 | 29 |
| 2019 | 25 | 39 |
| 2020 | 36 | 47 |
| 2021 | 41 | 35 |
| 2022 | 27 | 43 |
| 2023 | 35 | 44 |
| 2024 | 44 | 28 |
| 2025 | 38 | 30 |
| 2026 | 13 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Thermistor flow path8 Sep 2026US 12,729,681 B2GHSP, Inc.
- Electric coolant pump with expansion compensating seal18 Aug 2026US 12,710,051 B2Multi Parts Supply USA, Inc.
- Automotive electric oil pump21 Jul 2026US 12,687,166 B2Pierburg Pump Technology GmbH
- Liquid pump permanent magnet rotor with plastic insert and channel arrangement14 Jul 2026US 12,680,548 B2Bühler Motor GmbH
- Systems and methods of prediction and management of scaling on components23 Jun 2026US 12,663,008 B2Sensia Netherlands B.V.
- Systems and methods of prediction and management of scaling on components8 Oct 2026US 2026/0309156 A1Schlumberger Technology Corporation
- High flow deareation vessel24 Sep 2026US 2026/0284555 A1Hitachi Energy Ltd
- Thermistor flow path10 Sep 2026US 2026/0266285 A1GHSP, Inc.
- Thermistor flow path13 Aug 2026US 2026/0235120 A1GHSP, Inc.
- Encapsulant retaining wrap for micro-axial pump6 Aug 2026US 2026/0231365 A1Hewlett Packard Enterprise Development LP
Most cited
By later US patents
- Pump motor having fluid cooling system93US 5,997,261 ASiemens Canada Limited · 1999
- Automatic liquid collection and disposal assembly91US 7,264,449 B1Little Giant Pump Company · 2007
- Magnetically driven centrifugal pump and means providing cooling fluid flow90US 4,013,384 AIwaki Co., Ltd. · 1977
- Overheat protection for fluid pump89US 6,837,688 B2Standex International Corporation · 2005
- Rotary pump having a bearing which dissipates heat88US 6,093,001 AUniversity of Pittsburgh · 2000