H05B 3/146
Conductive polymers
Official title: {Conductive polymers, e.g. polyethylene, thermoplastics}
H05B3/146 (Conductive polymers) appears on 357 US grants and 300 published applications in this corpus.
Search patents in H05B- Granted patents
- 357
- Published applications
- 300
- Assignees
- 209
- Inventors
- 808
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 9 | 0 |
| 1987 | 7 | 0 |
| 1988 | 14 | 0 |
| 1989 | 12 | 0 |
| 1990 | 11 | 0 |
| 1991 | 10 | 0 |
| 1992 | 13 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 2 |
| 2002 | 8 | 6 |
| 2003 | 4 | 1 |
| 2004 | 4 | 3 |
| 2005 | 1 | 5 |
| 2006 | 3 | 5 |
| 2007 | 5 | 7 |
| 2008 | 3 | 1 |
| 2009 | 0 | 4 |
| 2010 | 1 | 6 |
| 2011 | 4 | 8 |
| 2012 | 6 | 3 |
| 2013 | 3 | 7 |
| 2014 | 0 | 11 |
| 2015 | 6 | 14 |
| 2016 | 6 | 18 |
| 2017 | 8 | 21 |
| 2018 | 16 | 22 |
| 2019 | 13 | 25 |
| 2020 | 10 | 32 |
| 2021 | 21 | 22 |
| 2022 | 16 | 19 |
| 2023 | 18 | 19 |
| 2024 | 21 | 21 |
| 2025 | 15 | 13 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-wire velocity sensor25 Aug 2026US 12,716,910 B2Tendo Technologies Inc.
- Planar heating element, and clothing management apparatus, hot/cold water purifier and floor heating panel for building, comprising the same12 May 2026US 12,628,246 B2S Plus Comtech Co., Ltd.
- Portable cooling device10 Mar 2026US 12,569,014 B2
- Apparatus for heating smokable material27 Jan 2026US 12,532,912 B2Nicoventures Trading Limited
- Mould for rotational moulding27 Jan 2026US 12,533,832 B2Persico S.P.A.
- An aerosol-generating device having a heat-conducting element24 Sep 2026US 2026/0283248 A1Philip Morris Products S. A.
- Ptc resistor17 Sep 2026US 2026/0279624 A1Tokyo Cosmos Electric Co., Ltd.
- Self-regulating electrical heating cable18 Jun 2026US 2026/0173218 A1Thermon, Inc.
- Heating of tobacco in disposable cartridges without combustion30 Apr 2026US 2026/0122727 A1Philip Morris Products S. A.
- Vehicle sensor assembly9 Apr 2026US 2026/0098749 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Polymer compositions exhibiting a PTC property and methods of fabrication755US 7,309,849 B2SurgRx, Inc. · 2007
- Electrical devices comprising conductive polymers367US 4,882,466 ARaychem Corporation · 1989
- Method of monitoring a heater for faults195US 4,698,583 ARaychem Corporation · 1987
- Low temperature electronic vaporization device and methods180US 9,408,416 B2Pax Labs, Inc. · 2016
- Method for monitoring a heater179US 4,785,163 ARaychem Corporation · 1988