G05D 13/30
Governors characterised by fluid features in which the speed of a shaft
Official title: Governors characterised by fluid features in which the speed of a shaft is converted into fluid pressure
G05D13/30 (Governors characterised by fluid features in which the speed of a shaft) appears on 23 US grants and 3 published applications in this corpus.
Search patents in G05D- Granted patents
- 23
- Published applications
- 3
- Assignees
- 18
- Inventors
- 39
- Latest grant
- 31 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 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 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 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 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Processing machine and pressure adjustment method31 Jan 2023US 11,566,666 B2Fanuc Corporation
- Governor and inversion pump drive gear24 Mar 2020US 10,599,165 B2Hamilton Sundstrand Corporation
- Systems and methods for controlling a draft inducer for a furnace4 Nov 1997US 5,682,826 AGeneral Electric Company
- Systems and methods for controlling a draft inducer for a furnace21 Oct 1997US 5,680,021 AGeneral Electric Company
- Precisely flow-controlling pump9 Sep 1997US 5,664,937 AHitachi, Ltd.
Most cited
By later US patents
- Systems and methods for controlling a draft inducer for a furnace41US 5,682,826 AGeneral Electric Company · 1997
- Draft inducer air flow control37US 5,418,438 AGeneral Electric Company · 1995
- System and methods for controlling a draft inducer to provide a desired operating area37US 5,557,182 AGeneral Electric Company · 1996
- Systems and methods for controlling a draft inducer for a furnace27US 5,680,021 AGeneral Electric Company · 1997
- Systems and methods for controlling a draft inducer for a furnace26US 5,616,995 AGeneral Electric Company · 1997