H01C 7/22
Elongated resistive element being bent or curved
Official title: Elongated resistive element being bent or curved, e.g. sinusoidal, helical
H01C7/22 (Elongated resistive element being bent or curved) appears on 68 US grants and 30 published applications in this corpus.
Search patents in H01C- Granted patents
- 68
- Published applications
- 30
- Assignees
- 56
- Inventors
- 142
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 3 | 3 |
| 2021 | 3 | 4 |
| 2022 | 3 | 3 |
| 2023 | 1 | 3 |
| 2024 | 2 | 1 |
| 2025 | 2 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Resistive grid systems22 Jul 2025US 12,365,250 B2Transportation IP Holdings, LLC
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- Chip resistor10 Sep 2024US 12,087,477 B2Panasonic Intellectual Property Management Co., Ltd.
- Method of fabricating resistor in igniter16 Jan 2024US 11,875,924 B2Yageo Corporation
- Chip resistor29 Aug 2023US 11,742,116 B2Koa Corporation
- Cyclonic flow, liquid cooled brake resistor with multiple nested resistor coils8 Oct 2026US 2026/0311913 A1DRS Naval Power Systems, Inc.
- Modular electrical resistance with a volume configured for the circulation of a cooling fluid24 Sep 2026US 2026/0290661 A1Coudoint
- Resistor Structure and a Voltage Divider Arrangement15 May 2025US 2025/0157701 A1ABB Schweiz AG
- Resistor Structure and a Voltage Divider Arrangement15 May 2025US 2025/0157703 A1ABB Schweiz AG
- Resistor Structure and a Voltage Divider Arrangement15 May 2025US 2025/0157704 A1ABB Schweiz AG
Most cited
By later US patents
- Platinum film resistor device85US 4,129,848 ARaytheon Company · 1978
- Dual resistor element48US 4,196,411 AGentron Corporation · 1980
- Electrical temperature measuring resistor structure, particularly for resistance thermometers35US 4,050,052 AW. C. Heraeus GmbH · 1977
- Resistance temperature sensor34US 4,139,833 AGould Inc. · 1979
- Platinum thin film resistance element and production method therefor29US 4,396,899 AThe Kirk Corporation · 1983