H02J 7/22
Due to variation of make-to-break ratio of intermittently-operating contacts
Official title: due to variation of make-to-break ratio of intermittently-operating contacts, e.g. using Tirrill regulator
H02J7/22 (Due to variation of make-to-break ratio of intermittently-operating contacts) appears on 9 US grants and 9 published applications in this corpus.
Search patents in H02J- Granted patents
- 9
- Published applications
- 9
- Assignees
- 10
- Inventors
- 21
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 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 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 2 | 2 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wind power generation apparatus and method17 Mar 2026US 12,577,938 B2China Petroleum & Chemical Corporation
- Fine tip stylus and pen with aperture for coaxial, retraction and placement5 Dec 2023US 11,833,850 B2Konnectronix, Inc.
- Interlocking integrated battery structure for an electronic stylus24 Jan 2023US 11,561,628 B2Microsoft Technology Licensing, LLC
- Fine tip stylus nd pen with aperture for coaxial, retraction and placement29 Nov 2022US 11,511,560 B2Konnectronix, Inc.
- Integrated power systems for electric vehicles15 Oct 2019US 10,442,307 B2NIO USA, Inc.
- Wind power generation apparatus and method10 Jul 2025US 2025/0223943 A1China Petroleum & Chemical Corporation
- Fine Tip Stylus and Pen with Aperture for Coaxial, Retraction and Placement30 Mar 2023US 2023/0099842 A1Konnectronix, Inc.
- Three-phase generator with adaptive taps for use in a transport climate control system4 Nov 2021US 2021/0344252 A1Thermo King Corporation
- Fine tip stylus nd pen with aperture for coaxial, retraction and placement30 Apr 2020US 2020/0130404 A1Konnectronix, Inc.
- Interlocking integrated battery structure for an electronic stylus6 Jun 2019US 2019/0171305 A1Microsoft Technology Licensing, LLC
Most cited
By later US patents
- Alternating current generator3US 4,035,714 ANippondenso Co., Ltd. · 1977
- Method and apparatus for improved wireless charging efficiency2US 9,184,620 B2Nokia Technologies Oy · 2015
- Interlocking integrated battery structure for an electronic stylus1US 10,222,879 B2Microsoft Technology Licensing, LLC · 2019