F04D 29/406
Especially adapted for liquid pumps
Official title: {especially adapted for liquid pumps}
F04D29/406 (Especially adapted for liquid pumps) appears on 243 US grants and 268 published applications in this corpus.
Search patents in F04D- Granted patents
- 243
- Published applications
- 268
- Assignees
- 194
- Inventors
- 619
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 5 |
| 2005 | 1 | 7 |
| 2006 | 1 | 1 |
| 2007 | 0 | 6 |
| 2008 | 3 | 3 |
| 2009 | 0 | 4 |
| 2010 | 5 | 4 |
| 2011 | 5 | 1 |
| 2012 | 3 | 3 |
| 2013 | 1 | 4 |
| 2014 | 3 | 11 |
| 2015 | 4 | 13 |
| 2016 | 7 | 5 |
| 2017 | 11 | 16 |
| 2018 | 8 | 11 |
| 2019 | 13 | 20 |
| 2020 | 9 | 20 |
| 2021 | 22 | 33 |
| 2022 | 14 | 23 |
| 2023 | 26 | 19 |
| 2024 | 32 | 18 |
| 2025 | 20 | 20 |
| 2026 | 18 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water well submersible pump filter29 Sep 2026US 12,747,741 B2FES Labs, LLC
- Modular dry well pump station apparatus, system and method15 Sep 2026US 12,736,055 B2Industrial Flow Solutions Operating, LLC
- Hydraulic pump8 Sep 2026US 12,729,695 B2Valeo Embrayages
- Stick pump assembly1 Sep 2026US 12,723,590 B2Milwaukee Electric Tool Corporation
- Electric coolant pump with expansion compensating seal18 Aug 2026US 12,710,051 B2Multi Parts Supply USA, Inc.
- Twin Pump Unit Casing Having Motor Mounted Touchscreens1 Oct 2026US 2026/0298247 A1S. A. Armstrong Limited
- Domestic dishwasher with a pump device and pump device for a water-carrying domestic appliance17 Sep 2026US 2026/0272258 A1BSH Hausgeräte GmbH
- Portable pump with telescopic tubes6 Aug 2026US 2026/0226902 A1Techtronic Cordless GP
- Modular dry well pump station apparatus, system and method18 Jun 2026US 2026/0168500 A1Industrial Flow Solutions Operating, LLC
- Rotor assembly of electronic water pump and electronic water pump18 Jun 2026US 2026/0168519 A1Zhejiang Dunan Artificial Environment Co., Ltd.
Most cited
By later US patents
- Molten metal pump with a flexible coupling and cement-free metal-transfer conduit connection130US 5,944,496 A1999
- Molten metal pump with metal-transfer conduit molten metal pump113US 6,345,964 B12002
- Purge-free miniature rotary pump92US 9,486,566 B2ABIOMED, Inc. · 2016
- Housing assembly for a fluid-working device such as a rotary pump75US 6,164,910 AITT Manufacturing Enterprises, Inc. · 2000
- Bracketless magnetic pump62US 7,393,188 B2EcoTech, LLC · 2008