H01H 2033/163
Using ptc elements
Official title: {using PTC elements}
H01H2033/163 (Using ptc elements) appears on 35 US grants and 15 published applications in this corpus.
Search patents in H01H- Granted patents
- 35
- Published applications
- 15
- Assignees
- 18
- Inventors
- 85
- Latest grant
- 3 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 4 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Charging protection and regulation device for electron storage3 Oct 2023US 11,776,777 B2
- Electrical protection unit including a current limiter device11 Aug 2020US 10,741,350 B2Schneider Electric Industries SAS
- Circuit arrangement for suppressing an arc occurring over a contact gap of a switching member10 Jan 2017US 9,543,088 B2SMA Solar Technology AG
- Contact protection circuit and high voltage relay comprising the same18 Jun 2013US 8,467,155 B2Tyco Electronics AMP GmbH
- Switch and device using the switch12 Mar 2013US 8,395,062 B2Tyco Electronics Raychem GmbH
- Switching device6 Feb 2025US 2025/0046547 A1Mitsubishi Electric Corporation
- Mechanical current cut-off device for high-voltage direct current with a capacitor in a secondary path, facility and method using such a device23 Mar 2023US 2023/0088430 A1Supergrid Institute
- Charging protection and regulation device for electron storage11 Aug 2022US 2022/0254585 A1
- Dc high-voltage electrical installation and method for controlling a cut-off apparatus in such an installation23 Apr 2020US 2020/0127453 A1Supergrid Institute
- Electrical protection unit including a current limiter device20 Dec 2018US 2018/0366289 A1Schneider Electric Industries SAS
Most cited
By later US patents
- Current limiting device117US 5,614,881 AGeneral Electric Company · 1997
- Fault current interrupter55US 4,583,146 AGeneral Electric Company · 1986
- Assemblies of PTC circuit protection devices48US 4,967,176 ARaychem Corporation · 1990
- Fault current interrupter including a metal oxide varistor44US 4,816,958 ALa Telemecanique Electrique · 1989
- Circuit breakers with PTC (Positive Temperature Coefficient resistivity38US 5,886,860 ASquare D Company · 1999