H01H 33/32
Pneumatic
Official title: pneumatic
H01H33/32 (Pneumatic) appears on 34 US grants and 19 published applications in this corpus.
Search patents in H01H- Granted patents
- 34
- Published applications
- 19
- Assignees
- 21
- Inventors
- 69
- Latest grant
- 23 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 5 |
| 2004 | 1 | 0 |
| 2005 | 3 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 3 |
| 2020 | 4 | 3 |
| 2021 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Disconnect switch assemblies with a shared actuator that concurrently applies motive forces in opposing directions and related circuit breakers and methods23 Mar 2021US 10,957,505 B2Eaton Intelligent Power Limited
- Compact pole unit for fast switches and circuit breakers16 Feb 2021US 10,923,298 B1Eaton Intelligent Power Limited
- Assembly having a gas spring for a cable rotary-pendulum kinematic system and use of the assembly for switching27 Oct 2020US 10,818,453 B2Siemens Aktiengesellschaft
- Current protection device with mutual reactor22 Sep 2020US 10,784,673 B2Varian Semiconductor Equipment Associates, Inc.
- Medium voltage circuit switch or breaker14 Jul 2020US 10,714,274 B2ABB Schweiz AG
- Disconnect switch assemblies with a shared actuator that concurrently applies motive forces in opposing directions and related circuit breakers and methods24 Dec 2020US 2020/0402751 A1Eaton Intelligent Power Limited
- Intake Device of Pneumatic Hammer18 Jun 2020US 2020/0194199 A1Weijen Airtool Co., Ltd.
- Assembly having a gas spring for a cable rotary-pendulum kinematic system and use of the assembly for switching14 May 2020US 2020/0152406 A1Siemens Aktiengesellschaft
- Medium voltage circuit switch or breaker16 May 2019US 2019/0148087 A1ABB Schweiz AG
- Input controls using pressure sensors4 Apr 2019US 2019/0102028 A1Apple Inc.
Most cited
By later US patents
- Poletop switch automation system16US 5,534,858 ASystem Analysis & Integration, Inc. · 1996
- High current high voltage switch structure with conductive piston15US 3,941,957 A1976
- Single pole trip and ganged pole closing for multiphase high-voltage power circuit breakers10US 4,195,211 AI-T-E Imperial Corporation · 1980
- Very high speed circuit breaker assisted by semiconductors9US 4,956,738 AACEC, Ateliers de Constructions Electriques de Charleroi · 1990
- Compact pole unit for fast switches and circuit breakers7US 10,923,298 B1Eaton Intelligent Power Limited · 2021