H01C 7/027
Consisting of conducting or semi-conducting material dispersed in a non-conductive organic material
Official title: {consisting of conducting or semi-conducting material dispersed in a non-conductive organic material}
H01C7/027 (Consisting of conducting or semi-conducting material dispersed in a non-conductive organic material) appears on 470 US grants and 279 published applications in this corpus.
Search patents in H01C- Granted patents
- 470
- Published applications
- 279
- Assignees
- 148
- Inventors
- 775
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 13 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 11 | 0 |
| 1986 | 4 | 0 |
| 1987 | 10 | 0 |
| 1988 | 13 | 0 |
| 1989 | 14 | 0 |
| 1990 | 14 | 0 |
| 1991 | 8 | 0 |
| 1992 | 17 | 0 |
| 1993 | 11 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 21 | 0 |
| 1999 | 22 | 0 |
| 2000 | 17 | 0 |
| 2001 | 17 | 3 |
| 2002 | 15 | 17 |
| 2003 | 17 | 16 |
| 2004 | 9 | 23 |
| 2005 | 12 | 14 |
| 2006 | 9 | 24 |
| 2007 | 10 | 11 |
| 2008 | 13 | 8 |
| 2009 | 3 | 5 |
| 2010 | 4 | 12 |
| 2011 | 1 | 7 |
| 2012 | 5 | 1 |
| 2013 | 14 | 7 |
| 2014 | 4 | 9 |
| 2015 | 7 | 7 |
| 2016 | 8 | 7 |
| 2017 | 8 | 14 |
| 2018 | 7 | 8 |
| 2019 | 11 | 12 |
| 2020 | 11 | 12 |
| 2021 | 16 | 9 |
| 2022 | 9 | 10 |
| 2023 | 13 | 13 |
| 2024 | 5 | 11 |
| 2025 | 10 | 12 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Over-current protection device11 Aug 2026US 12,706,234 B2Polytronics Technology Corp.
- Surface-mounted polymer PCT overcurrent protection element having small package size14 Apr 2026US 12,603,198 B2Shanghai Wayon Electronics Co., Ltd.
- Over-current protection device10 Mar 2026US 12,573,528 B2Polytronics Technology Corp.
- Over-current protection device17 Feb 2026US 12,555,706 B2Polytronics Technology Corp.
- Low resistance, high voltage and resistance stable PPTC material and manufacturing20 Jan 2026US 12,531,172 B2Littelfuse, Inc.
- Ptc resistor17 Sep 2026US 2026/0279624 A1Tokyo Cosmos Electric Co., Ltd.
- Ptc thermistor17 Sep 2026US 2026/0279625 A1Tokyo Cosmos Electric Co., Ltd.
- Positive temperature coefficient polymer composition and circuit protection device16 Jul 2026US 2026/0204459 A1Fuzetec Technology Co., Ltd.
- Over-current protection devicection device4 Jun 2026US 2026/0155282 A1Polytronics Technology Corp.
- Pptc material with one-step hot application process16 Apr 2026US 2026/0103573 A1Littelfuse, Inc.
Most cited
By later US patents
- Conductive polymer compositions and devices529US 4,545,926 ARaychem Corporation · 1985
- Low resistivity PTC compositions511US 4,237,441 ARaychem Corporation · 1980
- Electrical devices comprising conductive polymer compositions431US 4,304,987 ARaychem Corporation · 1981
- Conductive polymer composition385US 5,106,538 ARaychem Corporation · 1992
- Conductive polymer compositions381US 4,910,389 ARaychem Corporation · 1990