F04D 29/007
Especially adapted for liquid pumps
Official title: {especially adapted for liquid pumps}
F04D29/007 (Especially adapted for liquid pumps) appears on 46 US grants and 58 published applications in this corpus.
Search patents in F04D- Granted patents
- 46
- Published applications
- 58
- Assignees
- 44
- Inventors
- 125
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 4 |
| 2019 | 1 | 14 |
| 2020 | 4 | 2 |
| 2021 | 6 | 9 |
| 2022 | 8 | 6 |
| 2023 | 4 | 4 |
| 2024 | 9 | 3 |
| 2025 | 8 | 8 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pump unit, pump system, and pump system operation method30 Jun 2026US 12,669,128 B2Nikkiso Co., Ltd.
- Automatic exhaust mechanism17 Feb 2026US 12,553,442 B2Belgravia Wood Limited
- Pressure bushing for a fluid pump and a pump including the pressure bushing30 Dec 2025US 12,510,092 B2Bleckmann GmbH & Co. KG
- Rotor assembly and electronic water pump16 Dec 2025US 12,500,463 B2Zhejiang Dunan Artificial Environment Co., Ltd.
- Automatic exhaust mechanism25 Nov 2025US 12,480,499 B2Belgravia Wood Limited
- Automatic exhaust mechanism21 May 2026US 2026/0139677 A1Belgravia Wood Limited
- Pump unit, pump system, and pump system operation method30 Apr 2026US 2026/0117782 A1Nikkiso Co., Ltd.
- Propeller blade spacer for aquaculture net cleaning16 Oct 2025US 2025/0320878 A1
- Automatic exhaust mechanism19 Jun 2025US 2025/0198411 A1Belgravia Wood Limited
- Automatic exhaust mechanism19 Jun 2025US 2025/0198412 A1Belgravia Wood Limited
Most cited
By later US patents
- Floating suction head assembly21US 4,973,405 A1990
- Pump module having two impellers in series and a multiple plate housing2US 10,895,262 B2Auras Technology Co., Ltd. · 2021
- Axial flow pump with reduced height dimension2US 11,015,608 B2Hewlett Packard Enterprise Development LP · 2021
- Electric pump2US 11,378,081 B2Shinano Kenshi Co., Ltd. · 2022
- Integrated water-cooling pump2US 11,815,104 B2Huizhou Xunshuo Technology Co., Ltd · 2023