H02B 7/08
Underground substations
H02B7/08 (Underground substations) appears on 25 US grants and 16 published applications in this corpus.
Search patents in H02B- Granted patents
- 25
- Published applications
- 16
- Assignees
- 14
- Inventors
- 65
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 2 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 3 | 2 |
| 2024 | 2 | 0 |
| 2025 | 0 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Relay station system for long-distance submarine superconducting cable1 Sep 2026US 12,727,119 B2Hunan University
- Underground equipment eletric power system without an external power source2 Jul 2024US 12,025,378 B2Korea Safety Industry Co., Ltd.
- Support bracket for transformer switch utilizing existing transformer connection points16 Apr 2024US 11,962,132 B2S&C Electric Company
- System and method for an inland pipeline control station3 Oct 2023US 11,777,283 B2
- Pull-out type buried underground field monitoring control panel with flood double safety structure3 Oct 2023US 11,777,284 B2Daesan Electric Communication Co., Ltd.
- Relay station system for long-distance submarine superconducting cable8 Jan 2026US 2026/0013078 A1Hunan University
- Polymer utility vault and method of manufacturing by welding11 Dec 2025US 2025/0379427 A1Channell Commercial Corporation
- Polymer utility vault and method of manufacturing by welding11 Dec 2025US 2025/0379428 A1Channell Commercial Corporation
- Switchgear assembly with adjustable frame23 Oct 2025US 2025/0329995 A1
- Pull-out type buried underground field monitoring control panel with flood double safety structure29 Jun 2023US 2023/0208116 A1Daesan Electric Communication Co., Ltd.
Most cited
By later US patents
- Underground utility equipment vault1,529US 4,709,120 A1987
- Grounded surface distribution apparatus42US 4,029,380 AJoslyn Mfg. and Supply Co. · 1977
- Grounded surface distribution apparatus35US 3,949,343 AJoslyn Mfg. and Supply Co. · 1976
- Grade-level enclosure for electrical apparatus28US 4,005,253 A1977
- Durable lightweight meter box17US 5,333,750 A1994