F05B 2250/503
Of regenerative pumps
Official title: of regenerative pumps
F05B2250/503 (Of regenerative pumps) appears on 71 US grants and 43 published applications in this corpus.
Search patents in F05B- Granted patents
- 71
- Published applications
- 43
- Assignees
- 32
- Inventors
- 132
- Latest grant
- 21 Sep 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 3 |
| 2003 | 5 | 5 |
| 2004 | 6 | 10 |
| 2005 | 4 | 1 |
| 2006 | 1 | 3 |
| 2007 | 3 | 3 |
| 2008 | 0 | 3 |
| 2009 | 1 | 1 |
| 2010 | 2 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 3 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 2 |
| 2020 | 2 | 0 |
| 2021 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Reducing bearing load in a regenerative turbine pump21 Sep 2021US 11,125,234 B2Upwing Energy, LLC
- Regenerative turbine pumps30 Mar 2021US 10,962,013 B2Ebs-Ray Pumps Pty Ltd
- Turbomachine21 Jul 2020US 10,718,335 B2Continental Automotive GmbH
- Vortex pump26 May 2020US 10,662,901 B2Aisan Kogyo Kabushiki Kaisha
- Cleaning system utilizing a regenerative blower4 Sep 2018US 10,064,532 B2Nilfisk A/S
- Reducing bearing load in a regenerative turbine pump4 Jul 2019US 2019/0203719 A1Upwing Energy, LLC
- Regenerative Turbine Pumps27 Jun 2019US 2019/0195229 A1Ebs-Ray Pumps Pty Ltd
- Vortex pump6 Dec 2018US 2018/0347510 A1Aisan Kogyo Kabushiki Kaisha
- Electrical generator system for use with vehicle mounted electric floor cleaning system25 Jan 2018US 2018/0020895 A1
- Cleaning system utilizing a regenerative blower15 Sep 2016US 2016/0262588 A1Nilfisk-Advance, Inc.
Most cited
By later US patents
- In-take fuel pump reservoir47US 6,231,318 B1Walbro Corporation · 2001
- Fuel pump for an automotive vehicle having a vapor discharge port39US 4,591,311 ANippondenso Co., Ltd. · 1986
- Fuel pumping assembly31US 6,227,819 B1Walbro Corporation · 2001
- Regenerative pump and casing thereof27US 5,498,124 ANippondenso Co., Ltd. · 1996
- Fuel pump26US 5,336,045 ANippondenso Co., Ltd. · 1994