G05D 9/04
Level control: with auxiliary non-electric power
Official title: with auxiliary non-electric power
G05D9/04 (Level control: with auxiliary non-electric power) appears on 49 US grants and 19 published applications in this corpus.
Search patents in G05D- Granted patents
- 49
- Published applications
- 19
- Assignees
- 31
- Inventors
- 72
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 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 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 3 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
| 2018 | 2 | 3 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 3 |
| 2023 | 4 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Level controller16 Dec 2025US 12,498,741 B2Kimray, Inc.
- Fully-integrated, fluid flow-control module designed for installation within an ISO filler neck of a top-fill def tank3 Oct 2023US 11,772,484 B2
- Cruise control on a work machine26 Sep 2023US 11,767,656 B2The Charles Machine Works, Inc.
- Pressure regulation system and method for a fluidic product having particles19 Sep 2023US 11,761,582 B2Dhf America, LLC
- Handheld appliance24 Jan 2023US 11,560,665 B2Conair Corporation
- Day Tank Fuel Supply System20 Nov 2025US 2025/0355451 A1
- Battery pack drain assembly29 May 2025US 2025/0174861 A1GM Global Technology Operations LLC
- Level controller2 Jan 2025US 2025/0004487 A1Kimray, Inc.
- Pressure regulation system and method for a fluidic product having particles15 Jun 2023US 2023/0184377 A1Dhf America, LLC
- Cruise control on a work machine20 Oct 2022US 2022/0333343 A1The Charles Machine Works, Inc.
Most cited
By later US patents
- Continuous process mixing of pulverized solids and liquids and mixing apparatus82US 4,257,710 ASaint-Gobain Industries · 1981
- Liquid level control sytem55US 4,148,334 AFluid Device Corporation · 1979
- Process for making plaster board47US 4,288,263 ASaint-Gobain Industries · 1981
- Automatic level-regulating sluice43US 4,797,027 AAlsthom · 1989
- Apparatus for making plaster board32US 4,364,790 ASaint-Gobain Industries · 1982