H01B 5/004
For protection against corona
Official title: {for protection against corona}
H01B5/004 (For protection against corona) appears on 17 US grants and 12 published applications in this corpus.
Search patents in H01B- Granted patents
- 17
- Published applications
- 12
- Assignees
- 15
- Inventors
- 44
- Latest grant
- 30 May 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 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Telescopic electric conductor and high voltage arrangement30 May 2023US 11,664,610 B2Hitachi Energy Switzerland AG
- Inhibitor module and shielding arrangements for high voltage equipment1 Feb 2022US 11,240,929 B2ABB Power Grids Switzerland AG
- Shielding arrangement for high voltage equipment1 Feb 2022US 11,240,945 B2Hitachi Energy Switzerland AG
- Silent conductor20 Jul 2021US 11,069,456 B2Lamifil N.V.
- Insulated electric wire and varnish for forming insulating layer10 Nov 2020US 10,832,829 B2Sumitomo Electric Industries, Ltd.
- Corona protection device17 Sep 2026US 2026/0279617 A1
- Telescopic Electric Conductor and High Voltage Arrangement29 Dec 2022US 2022/0416450 A1Hitachi Energy Switzerland AG
- Inhibitor Module and Shielding Arrangements for High Voltage Equipment7 Oct 2021US 2021/0315123 A1ABB Power Grids Switzerland AG
- Shielding Arrangement for High Voltage Equipment7 Oct 2021US 2021/0315135 A1ABB Power Grids Switzerland AG
- Silent conductor12 Nov 2020US 2020/0357536 A1Lamifil N.V.
Most cited
By later US patents
- Compound cable15US 4,463,219 ASumitomo Electric Industries, Ltd. · 1984
- Aluminum conductor of low audible noise transmission8US 4,759,805 AThe Fujikura Cable Works, Ltd. · 1988
- Method and apparatus for eliminating pulsatory discharges of the corona effect along an electric power line when the conductors are wet7US 4,458,107 AHydro-Quebec · 1984
- Method of making a compound cable5US 4,966,635 ASumitomo Electric Industries, Ltd. · 1990
- Monomolecular carbon-based film for enhancing electrical power transmission3US 7,759,579 B22010