F04D 13/14
The pumps being all of centrifugal type
Official title: the pumps being all of centrifugal type {(deviation valves F04D15/0016)}
F04D13/14 (The pumps being all of centrifugal type) appears on 231 US grants and 240 published applications in this corpus.
Search patents in F04D- Granted patents
- 231
- Published applications
- 240
- Assignees
- 197
- Inventors
- 572
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 3 |
| 2004 | 4 | 3 |
| 2005 | 1 | 6 |
| 2006 | 3 | 6 |
| 2007 | 1 | 3 |
| 2008 | 2 | 6 |
| 2009 | 0 | 5 |
| 2010 | 4 | 7 |
| 2011 | 4 | 2 |
| 2012 | 7 | 3 |
| 2013 | 2 | 8 |
| 2014 | 3 | 8 |
| 2015 | 6 | 11 |
| 2016 | 9 | 8 |
| 2017 | 13 | 14 |
| 2018 | 7 | 14 |
| 2019 | 12 | 17 |
| 2020 | 15 | 10 |
| 2021 | 10 | 15 |
| 2022 | 11 | 12 |
| 2023 | 15 | 24 |
| 2024 | 14 | 11 |
| 2025 | 18 | 24 |
| 2026 | 8 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pump system18 Aug 2026US 12,709,404 B2Airbus Operations GmbH
- Twin pump unit casing having motor mounted touchscreens28 Jul 2026US 12,692,869 B2S. A. Armstrong Limited
- Valve pump unit2 Jun 2026US 12,644,458 B2Vitesco Technologies GmbH
- Subsea pumping and booster system19 May 2026US 12,631,096 B2Baker Hughes Energy Technology UK Limited
- Arrangement comprising a pump for a cooling circuit of a motor vehicle5 May 2026US 12,617,265 B2Hella GmbH & Co. KGaA
- Engine system1 Oct 2026US 2026/0298145 A1ROLLS-ROYCE plc
- Twin Pump Unit Casing Having Motor Mounted Touchscreens1 Oct 2026US 2026/0298247 A1S. A. Armstrong Limited
- Pump unit1 Oct 2026US 2026/0298248 A1Ebara Corporation
- Fuel system23 Jul 2026US 2026/0210293 A1ROLLS-ROYCE plc
- Modular Pump System16 Jul 2026US 2026/0201890 A1Dajustco IP Holdings Inc.
Most cited
By later US patents
- Systems and methods for routing pressurized fluid305US 8,905,056 B2Halliburton Energy Services.Inc. · 2014
- Pump system for high pressure application176US 9,829,002 B2Tucson Embedded Systems, Inc. · 2017
- Pump system for high pressure application164US 10,465,689 B2Tucson Embedded Systems, Inc. · 2019
- Sand-mixing equipment141US 10,864,487 B1American Jereh International Corporation · 2020
- Purge flow control in rotary blood pumps129US 5,118,264 AThe Cleveland Clinic Foundation · 1992