D04H 1/4242
Carbon fibres
D04H1/4242 (Carbon fibres) appears on 308 US grants and 373 published applications in this corpus.
Search patents in D04H- Granted patents
- 308
- Published applications
- 373
- Assignees
- 223
- Inventors
- 827
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 10 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 2 |
| 2003 | 0 | 10 |
| 2004 | 5 | 11 |
| 2005 | 6 | 9 |
| 2006 | 3 | 6 |
| 2007 | 4 | 15 |
| 2008 | 3 | 8 |
| 2009 | 2 | 10 |
| 2010 | 8 | 13 |
| 2011 | 5 | 15 |
| 2012 | 6 | 15 |
| 2013 | 9 | 13 |
| 2014 | 7 | 16 |
| 2015 | 19 | 28 |
| 2016 | 13 | 25 |
| 2017 | 12 | 18 |
| 2018 | 18 | 27 |
| 2019 | 16 | 18 |
| 2020 | 15 | 18 |
| 2021 | 20 | 22 |
| 2022 | 9 | 14 |
| 2023 | 10 | 9 |
| 2024 | 14 | 26 |
| 2025 | 17 | 16 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sheet molding compound production method, carbon fiber mat deposition apparatus, and sheet molding compound production apparatus1 Sep 2026US 12,722,328 B2Mitsubishi Chemical Corporation
- Flexible implantable electrode arrangement and production method18 Aug 2026US 12,708,305 B2Albert-Ludwigs-Universität Freiburg
- Method for preparing electrothermal heating sheet from carbon fiber braided fabric scraps7 Apr 2026US 12,595,602 B2Zhengzhou University
- Treatment agent, flame resistant fiber nonwoven fabric, carbon fiber nonwoven fabric, and methods for producing same7 Oct 2025US 12,435,464 B2Takemoto Yushi Kabushiki Kaisha
- Nonwoven mat with reduced permeability and increased caliper30 Sep 2025US 12,428,762 B2Owens Corning Intellectual Capital, LLC
- Fiber composite felt8 Oct 2026US 2026/0309422 A1Sgl Carbon SE
- Metal-carbon nanofiber composite electrodes for high performance lithium-ion and lead-acid batteries8 Oct 2026US 2026/0311992 A1The Curators of the University of Missouri
- Pellicle film and pellicle10 Sep 2026US 2026/0267217 A1Lintec Corporation
- Carbon fiber sheet, gas diffusion electrode medium, fuel cell, and method for manufacturing carbon fiber sheet27 Aug 2026US 2026/0253914 A1Toray Industries, Inc.
- Asphaltene-based melt-blown nanofiber mats6 Aug 2026US 2026/0226664 A1The University of British Columbia
Most cited
By later US patents
- Nanotube films and articles330US 6,706,402 B2Nantero, Inc. · 2004
- Method of making fibrous electrets241US 4,375,718 ASurgikos, Inc. · 1983
- Structures with high number density of carbon nanotubes and 3-dimensional distribution210US 6,495,258 B1Auburn University · 2002
- Flexible nonwoven mat204US 5,380,580 AMinnesota Mining and Manufacturing Company · 1995
- Rigid porous carbon structures, methods of making, methods of using and products containing same143US 6,099,965 AHyperion Catalysis International, Inc. · 2000