F04D 9/005
By adducting or recycling liquid
Official title: {by adducting or recycling liquid (F04D9/006 takes precedence)}
F04D9/005 (By adducting or recycling liquid) appears on 51 US grants and 36 published applications in this corpus.
Search patents in F04D- Granted patents
- 51
- Published applications
- 36
- Assignees
- 41
- Inventors
- 118
- Latest grant
- 3 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 3 |
| 2016 | 1 | 3 |
| 2017 | 3 | 4 |
| 2018 | 2 | 3 |
| 2019 | 2 | 0 |
| 2020 | 2 | 3 |
| 2021 | 1 | 4 |
| 2022 | 1 | 2 |
| 2023 | 4 | 3 |
| 2024 | 5 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-priming apparatus for quick no-water startup3 Dec 2024US 12,158,166 B2Jiangsu University
- Multiphase pump5 Nov 2024US 12,135,044 B2Sulzer Management AG
- Systems and methods for maintaining the prime of a pump1 Oct 2024US 12,104,612 B1Purdy Enterprises Inc.
- Self-priming jet pump16 Jul 2024US 12,038,022 B2Ningbo Junhe Intelligent Technology Co., Ltd
- Quick no-water startup apparatus for centrifugal pump20 Feb 2024US 11,905,976 B2Jiangsu University
- Electronic solenoid control for a self-priming electric pump6 Aug 2026US 2026/0226890 A1Fluid Handling LLC
- Liquid transfer pump30 Jul 2026US 2026/0218708 A1Zhejiang Ele Smart Technology Co., Ltd.
- Drying-up method, cooling-down method, and hot-up method for a pump apparatus27 Nov 2025US 2025/0361877 A1Ebara Corporation
- Diaphragm wall cutter and method for cutting a cutting trench in the ground18 Jul 2024US 2024/0240427 A1BAUER Maschinen GmbH
- Self-priming jet pump14 Dec 2023US 2023/0400027 A1Ningbo Junhe Intelligent Technology Co., Ltd
Most cited
By later US patents
- Self-priming pump system58US 4,780,050 ASundstrand Corporation · 1988
- Method and system for transferring liquid media55US 4,147,474 ANorsk Hydro A/S · 1979
- Centrifugal submersible pump39US 6,361,272 B12002
- Corrosion and abrasion resistant centrifugal pump29US 4,052,133 AThe Gorman-Rupp Company · 1977
- Portable motor pump22US 4,934,914 AEbara Corporation · 1990