C08K 3/04
Carbon
C08K3/04 (Carbon) appears on 6,022 US grants and 8,656 published applications in this corpus.
Search patents in C08K- Granted patents
- 6,022
- Published applications
- 8,656
- Assignees
- 2,755
- Inventors
- 17,708
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 27 | 0 |
| 1977 | 16 | 0 |
| 1978 | 43 | 0 |
| 1979 | 18 | 0 |
| 1980 | 24 | 0 |
| 1981 | 27 | 0 |
| 1982 | 25 | 0 |
| 1983 | 36 | 0 |
| 1984 | 23 | 0 |
| 1985 | 41 | 0 |
| 1986 | 24 | 0 |
| 1987 | 24 | 0 |
| 1988 | 35 | 0 |
| 1989 | 34 | 0 |
| 1990 | 36 | 0 |
| 1991 | 29 | 0 |
| 1992 | 49 | 0 |
| 1993 | 49 | 0 |
| 1994 | 55 | 0 |
| 1995 | 36 | 0 |
| 1996 | 34 | 0 |
| 1997 | 24 | 0 |
| 1998 | 48 | 0 |
| 1999 | 47 | 0 |
| 2000 | 52 | 0 |
| 2001 | 48 | 14 |
| 2002 | 56 | 50 |
| 2003 | 42 | 65 |
| 2004 | 39 | 98 |
| 2005 | 37 | 104 |
| 2006 | 49 | 110 |
| 2007 | 39 | 100 |
| 2008 | 29 | 130 |
| 2009 | 50 | 166 |
| 2010 | 82 | 227 |
| 2011 | 80 | 210 |
| 2012 | 119 | 247 |
| 2013 | 129 | 281 |
| 2014 | 161 | 331 |
| 2015 | 196 | 408 |
| 2016 | 268 | 408 |
| 2017 | 303 | 518 |
| 2018 | 338 | 593 |
| 2019 | 420 | 661 |
| 2020 | 417 | 709 |
| 2021 | 417 | 670 |
| 2022 | 379 | 582 |
| 2023 | 418 | 590 |
| 2024 | 424 | 554 |
| 2025 | 379 | 474 |
| 2026 | 247 | 356 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Intumescent material and articles made thereof6 Oct 2026US 12,753,291 B23M Innovative Properties Company
- Flame-retardant vibration isolation rubber composition and flame-retardant vibration isolation rubber member6 Oct 2026US 12,753,294 B2Sumitomo Riko Company Limited
- Polyamide resin composition for strut system striker cap6 Oct 2026US 12,753,310 B2Hyundai Motor Company
- Co-curable and co-cured UV/visible light-resistant lightning strike protection material for composite material assemblies6 Oct 2026US 12,753,314 B2The Boeing Company
- Positive electrode slurry, positive electrode plate, and secondary battery and battery module including such positive electrode plate6 Oct 2026US 12,755,974 B2Contemporary Amperex Technology (Hong Kong) Limited
- Tire Comprising a Sidewall with at Least One High-Contrast Sidewall Element8 Oct 2026US 2026/0307434 A1Compagnie Generale Des Etablissements Michelin
- Recycleable bioplastics, methods of manufacture thereof and articles comprising the same8 Oct 2026US 2026/0308306 A1University of Connecticut
- Curable polysiloxane composition with high thermal insulation performance at high temperature8 Oct 2026US 2026/0308328 A1Dow Global Technologies LLC
- Sound absorption material and method of fabricating same8 Oct 2026US 2026/0308348 A1Agency for Science, Technology and Research
- Elastomer compositions comprising at least one sp2 hybridized carbon allotrope and a 2,5-disubstituted pyrrole derivative8 Oct 2026US 2026/0308352 A1Pirelli Tyre S. P. A.
Most cited
By later US patents
- Low resistivity PTC compositions511US 4,237,441 ARaychem Corporation · 1980
- Highly catalytic screen-printing ink320US 7,018,568 B2Animas Technologies, LLC · 2006
- Thermoplastic elastomeric blends of olefin rubber and polyolefin resin243US 4,311,628 AMonsanto Company · 1982
- Thermoplastic vulcanizates of olefin rubber and polyolefin resin242US 4,130,535 AMonsanto Company · 1978
- Image making medium208US 8,921,473 B12014