H01H 35/40
Actuated by devices allowing continual flow of fluid
Official title: actuated by devices allowing continual flow of fluid, e.g. vane
H01H35/40 (Actuated by devices allowing continual flow of fluid) appears on 119 US grants and 31 published applications in this corpus.
Search patents in H01H- Granted patents
- 119
- Published applications
- 31
- Assignees
- 75
- Inventors
- 161
- Latest grant
- 25 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 5 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 3 | 2 |
| 2007 | 2 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
| 2012 | 3 | 3 |
| 2013 | 2 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 3 |
| 2019 | 0 | 0 |
| 2020 | 3 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Flow sensor for vehicle liquid heater which protects against overheating25 Jul 2023US 11,709,001 B2BorgWarner Emissions Systems (NINGBO) Co., Ltd.
- Pressure sensitive sensor5 Apr 2022US 11,295,903 B2Hitachi Metals, Ltd.
- Pressure-operated switch28 Dec 2021US 11,207,458 B2KCI Licensing, Inc.
- On-load tap changer head and on-load tap changer having an on-load tap changer head16 Nov 2021US 11,177,068 B2Maschinenfabrik Reinhausen GmbH
- Pressure switch1 Sep 2020US 10,763,063 B2Halliburton Energy Services.Inc.
- Pressure-Operated Switch17 Mar 2022US 2022/0080103 A1KCI Licensing, Inc.
- On-load tap changer head and on-load tap changer having an on-load tap changer head22 Jul 2021US 2021/0225583 A1Maschinenfabrik Reinhausen GmbH
- Heater for vehicle11 Mar 2021US 2021/0071912 A1BorgWarner Emissions Systems (NINGBO) Co., Ltd.
- Pressure sensitive sensor10 Dec 2020US 2020/0388446 A1Hitachi Metals, Ltd.
- Pressure switch23 Jul 2020US 2020/0234896 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Motion sensitive light and battery assembly switched on and off by the oscillation of a helical spring105US 5,550,721 ACarmen & Thomas Rapisarda Enterprises · 1996
- Flow switch assembly for fluid flow monitoring56US 5,183,983 ADwyer Instruments, Inc. · 1993
- Pool pump controller50US 5,725,359 AB & S Plastics, Inc. · 1998
- Airflow velocity switch37US 3,992,598 AAfton Incorporated · 1976
- Gas flow indicator having a magnetic field sensitive switch that _is responsive to the position of a magnet secured to a piston34US 4,181,835 A1980