C10M 2201/041
Carbon
Official title: Carbon; Graphite; Carbon black
C10M2201/041 (Carbon) appears on 839 US grants and 726 published applications in this corpus.
Search patents in C10M- Granted patents
- 839
- Published applications
- 726
- Assignees
- 509
- Inventors
- 1,972
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 10 | 0 |
| 1978 | 13 | 0 |
| 1979 | 13 | 0 |
| 1980 | 7 | 0 |
| 1981 | 16 | 0 |
| 1982 | 9 | 0 |
| 1983 | 12 | 0 |
| 1984 | 9 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 11 | 0 |
| 1988 | 11 | 0 |
| 1989 | 6 | 0 |
| 1990 | 11 | 0 |
| 1991 | 10 | 0 |
| 1992 | 12 | 0 |
| 1993 | 18 | 0 |
| 1994 | 17 | 0 |
| 1995 | 20 | 0 |
| 1996 | 16 | 0 |
| 1997 | 16 | 0 |
| 1998 | 15 | 0 |
| 1999 | 15 | 0 |
| 2000 | 13 | 0 |
| 2001 | 20 | 7 |
| 2002 | 9 | 15 |
| 2003 | 11 | 14 |
| 2004 | 9 | 22 |
| 2005 | 3 | 18 |
| 2006 | 6 | 12 |
| 2007 | 5 | 28 |
| 2008 | 10 | 32 |
| 2009 | 4 | 28 |
| 2010 | 18 | 30 |
| 2011 | 22 | 40 |
| 2012 | 18 | 34 |
| 2013 | 33 | 36 |
| 2014 | 28 | 39 |
| 2015 | 24 | 32 |
| 2016 | 33 | 47 |
| 2017 | 25 | 40 |
| 2018 | 31 | 44 |
| 2019 | 36 | 27 |
| 2020 | 28 | 32 |
| 2021 | 27 | 41 |
| 2022 | 43 | 32 |
| 2023 | 21 | 22 |
| 2024 | 29 | 28 |
| 2025 | 28 | 18 |
| 2026 | 12 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lubricant composition comprising carbon nanotubes15 Sep 2026US 12,735,652 B2Kyodo Yushi Co., Ltd.
- Dispersions containing graphenic carbon nanoparticles and dispersant resins28 Jul 2026US 12,692,162 B2PPG Industries Ohio, Inc.
- Low friction coatings14 Jul 2026US 12,680,046 B2John Crane Inc.
- Lubricating compositions9 Jun 2026US 12,649,892 B2Tribodyn, Inc.
- Compositions, methods of use and manufacture thereof, and system for generating high-lubricity substances for lubrication of a mechanical device2 Jun 2026US 12,644,071 B2United Protective Technologies, LLC
- Dispersions containing graphenic carbon nanoparticles and dispersant resins1 Oct 2026US 2026/0296894 A1PPG Industries Ohio, Inc.
- Ethylene resin composition and molded body24 Sep 2026US 2026/0286110 A1Mitsui Chemicals, Inc.
- Nanomaterial-containing friction reducer for water-based drilling fluid, and preparation method therefor13 Aug 2026US 2026/0234460 A1China University of Petroleum (East China)
- Friction-reducing and wear-resistant polyamide-imide composite material, preparation method thereof and application method therefor16 Jul 2026US 2026/0201265 A1Wuhan Research Institute of Materials Protection
- Oil-based graphite lubricant compositions16 Jul 2026US 2026/0201266 A1
Most cited
By later US patents
- Thread sealant and anti-seize compound130US 5,093,015 AJet-Lube, Inc. · 1992
- Composite reinforcing material and molding material117US 10,421,863 B2Graphene Platform Corporation · 2019
- Composite reinforcing material and method of producing a composite reinforcing material117US 9,862,833 B2Graphene Platform Corporation · 2018
- Composite reinforcing material and molding material117US 9,862,834 B2Graphene Platform Corporation · 2018
- Thread compound developed from solid grease base and the relevant preparation procedure110US 5,885,941 A"IVASIM" d.d. Za proizvodnju kemijskih proizvoda · 1999