C04B 2111/90
Electrical properties
C04B2111/90 (Electrical properties) appears on 231 US grants and 239 published applications in this corpus.
Search patents in C04B- Granted patents
- 231
- Published applications
- 239
- Assignees
- 206
- Inventors
- 742
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 5 | 0 |
| 1997 | 11 | 0 |
| 1998 | 10 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 6 |
| 2002 | 5 | 12 |
| 2003 | 9 | 7 |
| 2004 | 12 | 8 |
| 2005 | 5 | 9 |
| 2006 | 6 | 10 |
| 2007 | 5 | 10 |
| 2008 | 1 | 3 |
| 2009 | 4 | 8 |
| 2010 | 2 | 10 |
| 2011 | 4 | 6 |
| 2012 | 0 | 4 |
| 2013 | 5 | 6 |
| 2014 | 6 | 7 |
| 2015 | 4 | 6 |
| 2016 | 4 | 4 |
| 2017 | 5 | 5 |
| 2018 | 3 | 13 |
| 2019 | 6 | 17 |
| 2020 | 9 | 18 |
| 2021 | 8 | 14 |
| 2022 | 12 | 10 |
| 2023 | 11 | 11 |
| 2024 | 9 | 15 |
| 2025 | 10 | 13 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Honeycomb structure, electrically heating support, and exhaust gas purification device25 Aug 2026US 12,716,374 B2NGK Insulators, Ltd.
- Graphene oxide fine aggregate in cement composites7 Jul 2026US 12,673,894 B2Washington State University
- Electrically-conductive asphalt concrete containing carbon fibers26 May 2026US 12,637,392 B2Iowa State University Research Foundation, Inc.
- Cement compositions, and methods thereof24 Feb 2026US 12,559,424 B2University of Maine System Board of Trustees
- Doped titanium niobate and battery24 Feb 2026US 12,559,430 B2Industrial Technology Research Institute
- Insulation coating treatment liquid for grain-oriented electrical steel sheet, method for producing same, and method for producing grain-oriented electrical steel sheet1 Oct 2026US 2026/0302014 A1Nippon Steel Corporation
- Electrically conductive mineral binder compositions17 Sep 2026US 2026/0274748 A1Sika Technology AG
- Electrically-conductive asphalt concrete containing carbon fibers3 Sep 2026US 2026/0257970 A1Iowa State University Research Foundation, Inc.
- Cement compositions and methods of making the same from waste27 Aug 2026US 2026/0250190 A1The Board of Trustees of The University of Alabama
- Heavy-metal-reduced post-industrial waste in cementitious materials and methods of making and using thereof27 Aug 2026US 2026/0250194 A1William Marsh Rice University
Most cited
By later US patents
- Process for converting a metal carbide to carbon by etching in halogens566US 6,579,833 B1The Board of Trustees of the University of Illinois · 2003
- High temperature wellbore cement slurry319US 5,226,961 AShell Oil Company · 1993
- Three dimensionally periodic structural assemblies on nanometer and longer scales129US 6,261,469 B1Honeywell International Inc. · 2001
- Process for making sol-gel deposited ferroelectric thin films insensitive to their substrates120US 5,198,269 ABattelle Memorial Institute · 1993
- Carbon fiber-reinforced cementitious composite and method for producing the composite70US 5,030,282 ATaisei Corporation · 1991