H01H 2300/018
Application transfer
Official title: Application transfer; between utility and emergency power supply
H01H2300/018 (Application transfer) appears on 314 US grants and 245 published applications in this corpus.
Search patents in H01H- Granted patents
- 314
- Published applications
- 245
- Assignees
- 121
- Inventors
- 511
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 10 |
| 2003 | 12 | 9 |
| 2004 | 11 | 6 |
| 2005 | 7 | 4 |
| 2006 | 10 | 7 |
| 2007 | 4 | 6 |
| 2008 | 11 | 11 |
| 2009 | 8 | 7 |
| 2010 | 9 | 14 |
| 2011 | 9 | 6 |
| 2012 | 13 | 8 |
| 2013 | 13 | 7 |
| 2014 | 7 | 6 |
| 2015 | 7 | 9 |
| 2016 | 9 | 3 |
| 2017 | 5 | 18 |
| 2018 | 18 | 12 |
| 2019 | 14 | 16 |
| 2020 | 13 | 20 |
| 2021 | 18 | 12 |
| 2022 | 16 | 18 |
| 2023 | 8 | 4 |
| 2024 | 13 | 6 |
| 2025 | 6 | 17 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrical cord cap with easy connect housing portions8 Sep 2026US 12,731,950 B2Zonit Structured Solutions, LLC
- Mini automatic transfer switch11 Aug 2026US 12,706,476 B2
- Transfer apparatus for dual-power transfer switch16 Jun 2026US 12,658,381 B2ABB AB
- Semiconductor-based DC transfer switch10 Mar 2026US 12,573,567 B2Siemens Industry, Inc.
- Automatic transfer switch10 Feb 2026US 12,548,718 B2Kutai Electronics Industry Co., Ltd.
- Automatic transfer switch13 Aug 2026US 2026/0237571 A1Kutai Electronics Industry Co., Ltd.
- Battery configuration contactor assembly13 Aug 2026US 2026/0237572 A1Sensata Technologies, Inc.
- Automatic transfer plug6 Aug 2026US 2026/0229916 A1Joule Case Inc.
- Power supply switching device23 Jul 2026US 2026/0213101 A1OMRON Corporation
- Semiconductor-based dc transfer switch25 Jun 2026US 2026/0179860 A1Siemens Industry, Inc.
Most cited
By later US patents
- Automatic transfer switch91US 5,070,252 AAutomatic Switch Company · 1991
- Electromechanically controlled automatic transfer switch and bypass switch assembly74US 4,423,336 AMcGraw-Edison Company · 1983
- Electric power system with maintenance bypass for uninterruptible power supply using closed transition operation74US 5,081,367 AWestinghouse Electric Corp. · 1992
- Automatic transfer switch70US 4,398,097 AIndian Head Inc. · 1983
- Horn activator for steering wheels with air bags56US 5,398,962 AForce Imaging Technologies, Inc. · 1995