H02P 1/022
Security devices
Official title: {Security devices, e.g. correct phase sequencing}
H02P1/022 (Security devices) appears on 67 US grants and 71 published applications in this corpus.
Search patents in H02P- Granted patents
- 67
- Published applications
- 71
- Assignees
- 53
- Inventors
- 164
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 3 | 2 |
| 2014 | 2 | 2 |
| 2015 | 0 | 6 |
| 2016 | 1 | 3 |
| 2017 | 3 | 6 |
| 2018 | 5 | 9 |
| 2019 | 10 | 7 |
| 2020 | 6 | 6 |
| 2021 | 3 | 3 |
| 2022 | 3 | 3 |
| 2023 | 5 | 3 |
| 2024 | 4 | 4 |
| 2025 | 2 | 5 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Regulation device16 Jun 2026US 12,658,827 B2Selpro Srl
- Single-phase AC motor with a relay function10 Feb 2026US 12,549,076 B2Motor Competence Center Holding Flensburg GmbH
- Motor drive device provided with charging control unit13 Jan 2026US 12,525,782 B2Fanuc Corporation
- Method of detecting forward and reverse connection of three-phase motor and solid-state motor starter2 Sep 2025US 12,407,278 B2Schneider Electric (China) Co., Ltd.
- Controlling electrical access to a lithium battery on a utility vehicle4 Mar 2025US 12,240,340 B2Textron Innovations Inc.
- Motor driver with fail-startup fast restarting mechanism6 Aug 2026US 2026/0230010 A1Anpec Electronics Corporation
- Method to identify rotor slot harmonics in a motor current spectrum19 Feb 2026US 2026/0051834 A1Eaton Intelligent Power Limited
- Method of monitoring a starter, starter, and computer readable storage medium14 Aug 2025US 2025/0260344 A1Schneider Toshiba Inverter Europe SAS
- Controlling electrical access to a lithium battery on a utility vehicle5 Jun 2025US 2025/0178460 A1Textron Innovations Inc.
- Method of detecting forward and reverse connection of three-phase motor and solid-state motor starter13 Mar 2025US 2025/0088126 A1Schneider Electric (China) Co., Ltd.
Most cited
By later US patents
- On-site electric motor start-up diagnostic tool25US 5,568,033 A1996
- Anti-stall motor drive22US 4,780,653 APulse Electronics, Inc. · 1988
- Starter contact integrity test19US 5,563,489 AAmerican Standard Inc. · 1996
- Controller for a vehicle starter motor18US 6,050,233 AValeo Equipments Electriques Moteur · 2000
- Variable frequency drive self-check18US 9,654,048 B2Trane International Inc. · 2017