D01F 9/133
Apparatus therefor
D01F9/133 (Apparatus therefor) appears on 125 US grants and 164 published applications in this corpus.
Search patents in D01F- Granted patents
- 125
- Published applications
- 164
- Assignees
- 113
- Inventors
- 355
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 4 |
| 2005 | 1 | 5 |
| 2006 | 3 | 13 |
| 2007 | 2 | 18 |
| 2008 | 2 | 6 |
| 2009 | 5 | 15 |
| 2010 | 15 | 13 |
| 2011 | 2 | 6 |
| 2012 | 9 | 8 |
| 2013 | 7 | 9 |
| 2014 | 6 | 7 |
| 2015 | 4 | 7 |
| 2016 | 5 | 6 |
| 2017 | 8 | 3 |
| 2018 | 5 | 5 |
| 2019 | 3 | 4 |
| 2020 | 4 | 8 |
| 2021 | 1 | 4 |
| 2022 | 10 | 7 |
| 2023 | 7 | 3 |
| 2024 | 6 | 10 |
| 2025 | 3 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Carbon nanotube collection apparatus, carbon nanotube manufacturing apparatus, and carbon nanotube collection method3 Feb 2026US 12,540,421 B2Dowa Thermotech Co., Ltd.
- Apparatus, system and method for making a carbon nanomaterial fiber and textiles from carbon dioxide and materials and materials and products thereof20 May 2025US 12,305,312 B2Direct Air Capture, LLC
- Carbon nanotube assembled wire and carbon nanotube assembled wire bundle11 Feb 2025US 12,221,347 B2Sumitomo Electric Industries, Ltd.
- System and method of producing carbon nanotubes7 Jan 2025US 12,187,613 B2Nanocomp Technologies, Inc.
- Fibrous carbon material formation from hydrocarbons using metal catalysts25 Jun 2026US 2026/0176797 A1The University of British Columbia
- Systems and methods for pyrolysis reactions28 Nov 2024US 2024/0390872 A1Clean Hydrogen Technologies Corp
- Reactor and process for producing carbonaceous materials28 Nov 2024US 2024/0391766 A1Pact Fuel, LLC
- Method and apparatus for manufacturing carbon nanotube assembled wire21 Nov 2024US 2024/0383755 A1Sumitomo Electric Industries, Ltd.
- Method and apparatus for manufacturing carbon nanotube assembled wire7 Nov 2024US 2024/0367978 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Carbon fibers and method for their production207US 5,424,054 AInternational Business Machines Corporation · 1995
- Process for production of a carbon filament150US 4,816,289 AAsahi Kasei Kogyo Kabushiki Kaisha · 1989
- Apparatus for forming carbon fibers113US 5,024,818 AGeneral Motors Corporation · 1991
- Plasma catalysis of carbon nanofibers88US 6,156,256 AApplied Sciences, Inc. · 2000
- Method for forming carbon fibers61US 5,374,415 AGeneral Motors Corporation · 1994