F04B 23/103
Being a radial piston pump
Official title: {being a radial piston pump}
F04B23/103 (Being a radial piston pump) appears on 33 US grants and 21 published applications in this corpus.
Search patents in F04B- Granted patents
- 33
- Published applications
- 21
- Assignees
- 25
- Inventors
- 84
- Latest grant
- 7 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 2 |
| 2003 | 1 | 6 |
| 2004 | 7 | 4 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- High-pressure fuel pump7 Nov 2023US 11,808,242 B2Robert Bosch GmbH
- High-pressure fuel supply pump11 May 2021US 11,002,236 B2Hitachi Automotive Systems, Ltd.
- Pump unit for supplying fuel, preferably diesel oil, to an internal combustion engine23 Oct 2018US 10,107,244 B2Robert Bosch GmbH
- Fuel supply pump6 Dec 2016US 9,512,811 B2Denso Corporation
- Electric supercharging device29 Nov 2016US 9,506,399 B2Mitsubishi Heavy Industries, Ltd.
- High-Pressure Fuel Pump17 Feb 2022US 2022/0049674 A1Robert Bosch GmbH
- High-pressure fuel supply pump24 Oct 2019US 2019/0323465 A1Hitachi Automotive Systems, Ltd.
- Pump unit for supplying fuel, preferably diesel oil, to an internal combustion engine26 Oct 2017US 2017/0306910 A1Robert Bosch GmbH
- Fluid Machinery9 Apr 2015US 2015/0098845 A1Sanden Corporation
- Electric supercharging device23 Oct 2014US 2014/0311463 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Variable speed hydraulic pump75US 6,863,502 B2Actuant Corporation · 2005
- Rotary hydrostatic radial piston machines44US 4,686,829 AUnipat AG · 1987
- Motor pump unit32US 6,524,084 B2Heilmeier & Weinlein Fabrik fur Oel-Hydraulik GmbH & Co. KG · 2003
- Rotary hydrostatic machines or transmissions24US 4,691,512 AUnipat AG · 1987
- Fuel pump assembly22US 6,142,747 ARobert Bosch GmbH · 2000