H01B 7/421
For heat dissipation
Official title: {for heat dissipation}
H01B7/421 (For heat dissipation) appears on 228 US grants and 319 published applications in this corpus.
Search patents in H01B- Granted patents
- 228
- Published applications
- 319
- Assignees
- 186
- Inventors
- 628
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 4 |
| 2010 | 2 | 2 |
| 2011 | 1 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 5 |
| 2014 | 2 | 7 |
| 2015 | 5 | 10 |
| 2016 | 5 | 5 |
| 2017 | 5 | 13 |
| 2018 | 13 | 17 |
| 2019 | 14 | 28 |
| 2020 | 25 | 39 |
| 2021 | 16 | 20 |
| 2022 | 24 | 35 |
| 2023 | 20 | 32 |
| 2024 | 25 | 39 |
| 2025 | 20 | 26 |
| 2026 | 27 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High voltage cable routing for electrified vehicle6 Oct 2026US 12,752,140 B2Oshkosh Corporation
- Alumina film structure for heat dissipation of a bare conductor under high voltage, and a method for preparing the same6 Oct 2026US 12,755,865 B2Chongqing University
- Connector apparatus for electric charging cable6 Oct 2026US 12,755,866 B2The Board of Regents of the University of Oklahoma
- Charging connector for an electric vehicle29 Sep 2026US 12,746,837 B2ABB E-mobility B.V.
- High voltage cable routing for electrified vehicle22 Sep 2026US 12,741,168 B2Oshkosh Corporation
- High voltage cable routing for electrified vehicle8 Oct 2026US 2026/0306888 A1Oshkosh Corporation
- Ignition Suppression Circuiting Technology8 Oct 2026US 2026/0312382 A1Isct LLC
- Ignition Suppression Circuiting Technology8 Oct 2026US 2026/0312383 A1Isct LLC
- Ignition Suppression Circuiting Technology8 Oct 2026US 2026/0312384 A1Isct LLC
- Ignition Suppression Circuiting Technology8 Oct 2026US 2026/0312385 A1Isct LLC
Most cited
By later US patents
- Cooling of charging cable96US 9,321,362 B2Tesia Motors, Inc. · 2016
- Transmission line with fluid-permeable jacket62US 5,142,100 ASupercomputer Systems Limited Partnership · 1992
- High power, high frequency, liquid-cooled transmission cable and charging system45US 5,670,860 AHughes Electronics Corporation · 1997
- Cooling of charging cable31US 9,701,210 B2Tesla, Inc. · 2017
- Water cooled kickless electrical cable29US 6,100,467 AFlex-Cable, Inc. · 2000