H05B 3/141
Conductive ceramics
Official title: {Conductive ceramics, e.g. metal oxides, metal carbides, barium titanate, ferrites, zirconia, vitrous compounds}
H05B3/141 (Conductive ceramics) appears on 796 US grants and 938 published applications in this corpus.
Search patents in H05B- Granted patents
- 796
- Published applications
- 938
- Assignees
- 407
- Inventors
- 1,961
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 9 | 0 |
| 1984 | 12 | 0 |
| 1985 | 6 | 0 |
| 1986 | 8 | 0 |
| 1987 | 10 | 0 |
| 1988 | 7 | 0 |
| 1989 | 10 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 10 | 0 |
| 1994 | 13 | 0 |
| 1995 | 18 | 0 |
| 1996 | 6 | 0 |
| 1997 | 18 | 0 |
| 1998 | 15 | 0 |
| 1999 | 15 | 0 |
| 2000 | 20 | 0 |
| 2001 | 18 | 10 |
| 2002 | 14 | 26 |
| 2003 | 13 | 42 |
| 2004 | 26 | 43 |
| 2005 | 24 | 44 |
| 2006 | 13 | 31 |
| 2007 | 17 | 29 |
| 2008 | 23 | 23 |
| 2009 | 12 | 27 |
| 2010 | 13 | 16 |
| 2011 | 11 | 13 |
| 2012 | 17 | 16 |
| 2013 | 16 | 17 |
| 2014 | 9 | 21 |
| 2015 | 6 | 30 |
| 2016 | 17 | 31 |
| 2017 | 18 | 55 |
| 2018 | 21 | 29 |
| 2019 | 29 | 43 |
| 2020 | 36 | 54 |
| 2021 | 29 | 61 |
| 2022 | 30 | 61 |
| 2023 | 34 | 69 |
| 2024 | 43 | 58 |
| 2025 | 52 | 58 |
| 2026 | 27 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and device for prolonging the service life of ceramic electric heating element under direct-current power supply condition29 Sep 2026US 12,750,922 B2
- Ceramic body, honeycomb structure, method for producing ceramic body and heater element29 Sep 2026US 12,750,923 B2NGK Insulators, Ltd.
- Enhanced dispenser control22 Sep 2026US 12,741,047 B2Pura Scents, Inc.
- Heater and smoking device including heater18 Aug 2026US 12,708,142 B2Shenzhen First Union Technology Co., Ltd.
- Substrate holding unit and substrate processing apparatus11 Aug 2026US 12,703,917 B2Samsung Electronics Co., Ltd.
- Leading edge of an aircraft part and process for forming a leading edge8 Oct 2026US 2026/0307808 A1Airbus Operations GmbH
- Heating Assembly for an Aerosol Generating Device and Associated Method for Obtaining Said Heating Assembly24 Sep 2026US 2026/0283245 A1JT International SA
- Two part heater assembly17 Sep 2026US 2026/0282170 A1Philip Morris Products S. A.
- Integral resistance heaters including niobium and processes for making same17 Sep 2026US 2026/0282171 A1Materion Corporation
- Mineral insulated cable, method of manufacturing a mineral insulated cable, and method and system for heating a substance20 Aug 2026US 2026/0245768 A1Shell USA, Inc.
Most cited
By later US patents
- Wafer heating apparatus541US 6,753,507 B2KYOCERA Corporation · 2004
- Heater having a multiple-layer ceramic substrate and method of fabrication422US 5,468,936 APhilip Morris Incorporated · 1995
- Self-regulating heater employing reactive components419US 4,849,611 ARaychem Corporation · 1989
- Electronic smoking article and improved heater element186US 9,289,014 B2Altria Client Services LLC · 2016
- Inhibiting effects of sloughing in wellbores164US 7,357,180 B2Shell Oil Company · 2008