F04D 15/005
The pumps being of the circumferential flow type
Official title: {the pumps being of the circumferential flow type}
F04D15/005 (The pumps being of the circumferential flow type) appears on 17 US grants and 10 published applications in this corpus.
Search patents in F04D- Granted patents
- 17
- Published applications
- 10
- Assignees
- 12
- Inventors
- 29
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 3 |
| 2021 | 2 | 0 |
| 2022 | 3 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reversing polarity of a pump on failure, and applications thereof3 Mar 2026US 12,565,893 B2Zoeller Pump Company, LLC
- Motor control device26 Aug 2025US 12,401,311 B2Denso Corporation
- Regenerative pump with variable regenerative flow24 Dec 2024US 12,173,727 B2Eaton Intelligent Power Limited
- Rotodynamic pump having a body defining a body cavity with a first and second housing portion defining a portion of an impeller cavity and disposed within the body cavity wherein the body cavity extends at least in part around the second housing portion and the housing portions defining an impeller clearance4 Oct 2022US 11,459,958 B2Pratt & Whitney Canada Corp.
- Rotodynamic pump and method22 Mar 2022US 11,280,342 B2Pratt & Whitney Canada Corp.
- Reversing polarity of a pump on failure, and applications thereof12 Dec 2024US 2024/0410373 A1Zoeller Pump Company, LLC
- Motor control device8 Feb 2024US 2024/0048084 A1Denso Corporation
- Regenerative pump and methods12 Jan 2023US 2023/0011740 A1Eaton Intelligent Power Limited
- Rotodynamic pump and method8 Oct 2020US 2020/0318644 A1Pratt & Whitney Canada Corp.
- Rotodynamic pump and method24 Sep 2020US 2020/0300179 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Regenerative pump having movable walls adjacent opposing faces of the impeller19US 5,599,163 ALucas Industries Limited · 1997
- Controlled vortex regenerative pump16US 4,948,344 ASundstrand Corporation · 1990
- Fuel pump including axially movable end covers for feeding fuel from a supply tank to an internal engine9US 5,601,398 ARobert Bosch GmbH · 1997
- Lateral channel supply pump7US 4,715,777 AWalbro Corporation · 1987
- Pumps7US 5,435,692 ALucas Industries Limited · 1995