H02P 7/20
Using multi-position switch
Official title: using multi-position switch, e.g. drum, controlling motor circuit by means of relays (H02P7/24, H02P7/30 take precedence)
H02P7/20 (Using multi-position switch) appears on 15 US grants and 10 published applications in this corpus.
Search patents in H02P- Granted patents
- 15
- Published applications
- 10
- Assignees
- 11
- Inventors
- 32
- Latest grant
- 18 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 3 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Dual-voltage door operator control system18 Jun 2024US 12,015,369 B2
- Circuit and method for controlling electric power delivered to an electric motor18 Jan 2022US 11,225,401 B2Soucy International Inc.
- Portable surface finishing device based on coherent light source29 Sep 2020US 10,788,662 B2National Tsing Hua University
- Single-button control method of an induction actuated container26 May 2020US 10,661,985 B2Fujian Nashida Electronic Incorporated Company
- Method for regulating a speed of an electric motor of a power tool25 Jun 2019US 10,333,441 B2Robert Bosch GmbH
- Dual-voltage door operator control system11 May 2023US 2023/0142124 A1
- Portable Surface Finishing Device Based on Coherent Light Source7 Nov 2019US 2019/0339512 A1National Tsing Hua University
- Single-button Control Method of an Induction Actuated Container19 Sep 2019US 2019/0283964 A1Fujian Nashida Electronic Incorporated Company
- Circuit and method for controlling electric power delivered to an electric motor25 Jul 2019US 2019/0225466 A1Soucy International Inc.
- Control system28 Jun 2018US 2018/0183362 A1Up First Construction Systems Pty Ltd.
Most cited
By later US patents
- Speed control of a D.C. electric motor28US 4,346,335 A1982
- Motor control apparatus for a motorized vehicle, and method therefor21US 4,369,397 A1983
- Speed control of a D.C. electric motor19US 4,511,831 A1985
- Control apparatus for power window regulator8US 5,128,597 AKabushiki Kaisha Tokai Rika Denki Seisakusho · 1992
- Speed changing device for a multi-polar, constant flux electric motor, and a motorized ventilating fan unit equipped with such a device8US 5,134,351 AValeo Thermique Moteur · 1992