H02H 1/0069
By means of light or heat rays
Official title: {by means of light or heat rays}
H02H1/0069 (By means of light or heat rays) appears on 64 US grants and 39 published applications in this corpus.
Search patents in H02H- Granted patents
- 64
- Published applications
- 39
- Assignees
- 46
- Inventors
- 158
- Latest grant
- 25 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 4 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 3 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 3 | 2 |
| 2015 | 2 | 2 |
| 2016 | 0 | 3 |
| 2017 | 2 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 4 |
| 2020 | 4 | 2 |
| 2021 | 4 | 2 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 2 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and device for fault location in a multi-terminal transmission system25 Jun 2024US 12,021,374 B2Hitachi Energy Ltd
- Method and apparatus for determining phase locking of critical arc light30 Apr 2024US 11,973,333 B2Wuxi Power Supply Branch of State Grid Jiangsu Electric Power Co., Ltd.
- Advanced ground fault circuit interrupters (GFCI) and methods of operation thereof2 Nov 2021US 11,165,240 B2
- Directional over-current ground relay (DOCGR) using sampled value and method for operating the DOCGR21 Sep 2021US 11,128,128 B2Lsis Co., Ltd.
- Digital input electric power system panel meter14 Sep 2021US 11,121,536 B2Schweitzer Engineering Laboratories, Inc.
- Method for Compensating for Ambient Light for an Arc Flash Detection System for an Electrical Equipment and Arc Flash Detection System for an Electrical Equipment26 Feb 2026US 2026/0058458 A1ABB Schweiz AG
- Sensing within a subsea electric architecture in a wind farm9 Oct 2025US 2025/0314240 A1Equinor Energy AS
- Improved data interface for a circuit breaker and system with such a ciruit breaker3 Jul 2025US 2025/0218702 A1Eaton Intelligent Power Limited
- Circuit protection device trip detector7 Sep 2023US 2023/0283062 A1Kinexit Ltd
- Method and apparatus for determining phase locking of critical arc light15 Jun 2023US 2023/0187920 A1Wuxi Power Supply Branch of State Grid Jiangsu Electric Power Co., Ltd.
Most cited
By later US patents
- Power transmission line monitoring system199US 5,181,026 AGranville Group, Inc., The · 1993
- Redundant communications in a protective relay53US 5,982,595 AGeneral Electric Company · 1999
- Electric motor and transformer load sensing technique38US 4,363,061 AWestinghouse Electric Corp. · 1982
- Protective relay system for a power system37US 4,517,619 AMitsubishi Denki Kabushiki Kaisha · 1985
- Audio bandwidth interface apparatus for pilot wire relays34US 5,592,354 A1997