D01F 9/14
By decomposition of organic filaments
Official title: by decomposition of organic filaments
D01F9/14 (By decomposition of organic filaments) appears on 1,132 US grants and 967 published applications in this corpus.
Search patents in D01F- Granted patents
- 1,132
- Published applications
- 967
- Assignees
- 516
- Inventors
- 2,538
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 24 | 0 |
| 1978 | 16 | 0 |
| 1979 | 5 | 0 |
| 1980 | 11 | 0 |
| 1981 | 21 | 0 |
| 1982 | 15 | 0 |
| 1983 | 14 | 0 |
| 1984 | 31 | 0 |
| 1985 | 44 | 0 |
| 1986 | 28 | 0 |
| 1987 | 26 | 0 |
| 1988 | 18 | 0 |
| 1989 | 28 | 0 |
| 1990 | 28 | 0 |
| 1991 | 25 | 0 |
| 1992 | 13 | 0 |
| 1993 | 23 | 0 |
| 1994 | 25 | 0 |
| 1995 | 13 | 0 |
| 1996 | 19 | 0 |
| 1997 | 15 | 0 |
| 1998 | 14 | 0 |
| 1999 | 14 | 0 |
| 2000 | 9 | 0 |
| 2001 | 18 | 7 |
| 2002 | 11 | 13 |
| 2003 | 15 | 14 |
| 2004 | 9 | 12 |
| 2005 | 4 | 8 |
| 2006 | 4 | 10 |
| 2007 | 6 | 17 |
| 2008 | 5 | 12 |
| 2009 | 3 | 23 |
| 2010 | 19 | 30 |
| 2011 | 11 | 29 |
| 2012 | 18 | 29 |
| 2013 | 13 | 40 |
| 2014 | 24 | 44 |
| 2015 | 25 | 61 |
| 2016 | 35 | 56 |
| 2017 | 42 | 68 |
| 2018 | 41 | 57 |
| 2019 | 44 | 78 |
| 2020 | 36 | 60 |
| 2021 | 49 | 67 |
| 2022 | 45 | 45 |
| 2023 | 37 | 56 |
| 2024 | 56 | 62 |
| 2025 | 39 | 44 |
| 2026 | 21 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pitch-based ultrafine carbon fibers and pitch-based ultrafine carbon fiber dispersion15 Sep 2026US 12,735,814 B2Teijin Limited
- Laser writing in ambient conditions for carbonization of synthetic polymers, including nanostructured polymers treated in alkaline media15 Sep 2026US 12,735,815 B2Fondazione Istituto Italiano Di Technologia 5%
- Block copolymer porous carbon fibers and uses thereof25 Aug 2026US 12,715,819 B2Virginia Tech Intellectual Properties, Inc.
- Continuous fibres based on cellulose and/or cellulose derivatives, method for the production thereof and use thereof25 Aug 2026US 12,716,148 B2Centrotherm International AG
- Flexible implantable electrode arrangement and production method18 Aug 2026US 12,708,305 B2Albert-Ludwigs-Universität Freiburg
- Treatment agent for acrylic fibers and use of the same8 Oct 2026US 2026/0308815 A1Matsumoto Yushi-Seiyaku Co., Ltd.
- Carbon fiber precursor fiber bundle, thermally-stabilized fiber bundle, production method thereof, and method for producing carbon fiber bundle24 Sep 2026US 2026/0286575 A1Kabushiki Kaisha Toyota Chuo Kenkyusho
- Method of making polyacrylonitrile based carbon fibers and polyacrylonitrile based carbon fiber fabric24 Sep 2026US 2026/0286576 A1University of Kentucky Research Foundation
- Refining and/or petrochemical facility and apparatus for heating fluids in processes related to refining and petrochemical industries using rotary generated thermal energy17 Sep 2026US 2026/0274747 A1Coolbrook Oy
- Production method for carbon fiber precursor fibers3 Sep 2026US 2026/0258580 A1Teijin Limited
Most cited
By later US patents
- Production of metal ion containing carbon fibers useful in electron shielding applications454US 3,997,638 ACelanese Corporation · 1976
- Process for the preparation of nanostructured materials191US 7,056,455 B2Carnegie Mellon University · 2006
- High modulus, high strength carbon fibers produced from mesophase pitch102US 4,005,183 AUnion Carbide Corporation · 1977
- Process and apparatus for the production of nanofibers101US 6,695,992 B2The University of Akron · 2004
- Macroscopic fiber comprising single-wall carbon nanotubes and acrylonitrile-based polymer and process for making the same99US 6,852,410 B2Georgia Tech Research Corporation · 2005