F04D 29/4293
Details of fluid inlet or outlet
Official title: {Details of fluid inlet or outlet}
F04D29/4293 (Details of fluid inlet or outlet) appears on 373 US grants and 480 published applications in this corpus.
Search patents in F04D- Granted patents
- 373
- Published applications
- 480
- Assignees
- 262
- Inventors
- 870
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 3 |
| 2003 | 1 | 2 |
| 2004 | 4 | 4 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 3 | 5 |
| 2008 | 1 | 5 |
| 2009 | 1 | 4 |
| 2010 | 2 | 5 |
| 2011 | 4 | 0 |
| 2012 | 4 | 3 |
| 2013 | 3 | 10 |
| 2014 | 6 | 20 |
| 2015 | 5 | 18 |
| 2016 | 6 | 33 |
| 2017 | 19 | 50 |
| 2018 | 19 | 39 |
| 2019 | 36 | 30 |
| 2020 | 36 | 32 |
| 2021 | 28 | 40 |
| 2022 | 34 | 36 |
| 2023 | 40 | 46 |
| 2024 | 50 | 39 |
| 2025 | 36 | 32 |
| 2026 | 18 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid connection for a hydromotive machine15 Sep 2026US 12,736,025 B2
- Water flow system for washer, and washer1 Sep 2026US 12,721,496 B2Ningbo Fotile Kitchen Ware Co., Ltd.
- Stick pump assembly1 Sep 2026US 12,723,590 B2Milwaukee Electric Tool Corporation
- Method of designing single-channel pump and single-channel pump25 Aug 2026US 12,716,425 B2Korea Institute of Industrial Technology
- Heart pump11 Aug 2026US 12,702,818 B2BiVACOR Inc.
- Rod-shaped Water Pump10 Sep 2026US 2026/0266294 A1
- Portable pump with telescopic tubes6 Aug 2026US 2026/0226902 A1Techtronic Cordless GP
- Electric submersible pump housing with torque-resisting feature6 Aug 2026US 2026/0229950 A1Halliburton Energy Services.Inc.
- Liquid transfer pump30 Jul 2026US 2026/0218708 A1Zhejiang Ele Smart Technology Co., Ltd.
- Pump system30 Jul 2026US 2026/0218719 A1Pentair Flow Technologies, LLC
Most cited
By later US patents
- Systems and methods for routing pressurized fluid305US 8,905,056 B2Halliburton Energy Services.Inc. · 2014
- Pumping facilities and control systems171US 10,711,787 B1W. S. Darley & Co. · 2020
- Synchronous electric motor, particularly for submersible pumps, and pump including the motor70US 5,767,606 AHydor Srl · 1998
- Fire pump for firefighting vehicle44US 8,376,719 B2Pierce Manufacturing Company · 2013
- Centrifugal pump having a housing and a volute casing wherein the volute casing has a tear-drop shaped inner wall defined by a circular body region and a converging apex with the inner wall comprising a blocker below at least one perimeter end of one diffuser blade34US 11,193,504 B1Aquastar Pool Products, Inc. · 2021