H01T 7/00
Rotary spark gaps, i.e. devices having one or more rotating electrodes
H01T7/00 (Rotary spark gaps, i.e. devices having one or more rotating electrodes) appears on 7 US grants and 2 published applications in this corpus.
Search patents in H01T- Granted patents
- 7
- Published applications
- 2
- Assignees
- 8
- Inventors
- 18
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 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 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotary spark gap having a plurality of rotors22 Jul 2025US 12,368,284 B2
- Aircraft drive device and aircraft provided with a drive device5 Jan 2021US 10,882,627 B2Airbus Defence and Space GmbH
- High voltage electrodes for the ignition system of internal combustion engines and method for making the same1 Mar 1988US 4,728,362 ARobert Bosch GmbH
- Material for high frequency suppression and distributor for combustion engine composed of the same material25 Nov 1986US 4,625,085 ANippondenso Co., Ltd.
- Overvoltage protector for a device having two parts movable relatively to each other25 Nov 1986US 4,625,256 ATelefonaktiebolaget LM Ericsson
Most cited
By later US patents
- Overvoltage protector for a device having two parts movable relatively to each other12US 4,625,256 ATelefonaktiebolaget LM Ericsson · 1986
- Wide-gap ignition distributor4US 4,475,491 ARobert Bosch GmbH · 1984
- Ignition distributor for internal combustion engine3US 4,419,547 AHitachi, Ltd. · 1983
- Material for high frequency suppression and distributor for combustion engine composed of the same material3US 4,625,085 ANippondenso Co., Ltd. · 1986