H02P 7/063
Using centrifugal devices
Official title: {using centrifugal devices, e.g. switch, resistor}
H02P7/063 (Using centrifugal devices) appears on 10 US grants and 9 published applications in this corpus.
Search patents in H02P- Granted patents
- 10
- Published applications
- 9
- Assignees
- 15
- Inventors
- 31
- Latest grant
- 14 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 2 |
| 2020 | 3 | 3 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Motor speed controller and speed control system14 Nov 2023US 11,817,801 B2Johnson Controls Tyco IP Holdings LLP
- Rotation speed regulation system for electric tool switch22 Feb 2022US 11,258,382 B1Suzhou Huazhijie Telecom Co.,Ltd.
- Control circuit for passive braking for DC motor31 Aug 2021US 11,108,345 B1Texas Instruments Incorporated
- Systems and methods for providing redundancy to electronic speed control systems26 Jan 2021US 10,901,414 B2Sz Dji Technology Co., Ltd.
- Drive control device for electric motor and drive control method for same10 Nov 2020US 10,833,621 B2Hitachi Automotive Systems, Ltd.
- Rotation speed regulation system for electric tool switch10 Feb 2022US 2022/0045634 A1Suzhou Huazhijie Telecom Co.,Ltd.
- Motor speed controller and speed control system25 Jun 2020US 2020/0204095 A1Johnson Controls Tyco IP Holdings LLP
- Drive control device for electric motor and drive control method for same30 Jan 2020US 2020/0036318 A1Hitachi Automotive Systems, Ltd.
- Simulated Mass Rotation Systems and Methods9 Jan 2020US 2020/0014316 A1
- Systems and methods for providing redundancy to electronic speed control systems11 Jul 2019US 2019/0212733 A1Sz Dji Technology Co., Ltd.
Most cited
By later US patents
- Sump pump motor switch circuit35US 4,626,755 AGeneral Electric Company · 1986
- Kitchen mixer having means to instantaneously increase speed when desired3US 4,309,631 AScovill Inc. · 1982
- Variable-speed controller for use with an electric device1US 10,547,257 B2Defond Components Limited · 2020
- Drive control device for electric motor and drive control method for same1US 10,833,621 B2Hitachi Automotive Systems, Ltd. · 2020