G05D 13/32
Using a pump
Official title: using a pump
G05D13/32 (Using a pump) appears on 6 US grants and 1 published applications in this corpus.
Search patents in G05D- Granted patents
- 6
- Published applications
- 1
- Assignees
- 6
- Inventors
- 11
- Latest grant
- 9 Sep 1997
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 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 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Precisely flow-controlling pump9 Sep 1997US 5,664,937 AHitachi, Ltd.
- Injection pumps for internal-combustion engines11 Sep 1984US 4,470,393 ASpica S.p.A.
- Flyweight governor10 Jan 1984US 4,424,826 AChrysler Corporation
- Hydraulic speed governor26 Aug 1980US 4,218,884 A
- Hydraulic servo-motor27 Sep 1977US 4,050,434 AMotoren- und Turbinen-Union Friedrichshafen GmbH
Most cited
By later US patents
- Precisely flow-controlling pump18US 5,664,937 AHitachi, Ltd. · 1997
- Hydraulic servo-motor5US 4,050,434 AMotoren- und Turbinen-Union Friedrichshafen GmbH · 1977
- Hydraulic speed governor2US 4,218,884 A1980
- Flyweight governor2US 4,424,826 AChrysler Corporation · 1984
- Constant speed drive1US 3,982,615 ABorg-Warner Corporation · 1976