D01F 9/1275
Acetylene
Official title: {Acetylene}
D01F9/1275 (Acetylene) appears on 67 US grants and 52 published applications in this corpus.
Search patents in D01F- Granted patents
- 67
- Published applications
- 52
- Assignees
- 39
- Inventors
- 126
- Latest grant
- 12 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 9 |
| 2005 | 1 | 4 |
| 2006 | 2 | 1 |
| 2007 | 2 | 0 |
| 2008 | 5 | 3 |
| 2009 | 1 | 3 |
| 2010 | 1 | 1 |
| 2011 | 3 | 3 |
| 2012 | 0 | 2 |
| 2013 | 1 | 3 |
| 2014 | 2 | 0 |
| 2015 | 3 | 2 |
| 2016 | 2 | 4 |
| 2017 | 5 | 6 |
| 2018 | 2 | 3 |
| 2019 | 2 | 2 |
| 2020 | 3 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Carbon nanotube array and its production method, and spun carbon nanotube yarn and its production method12 Sep 2023US 11,753,303 B2Sugita Densen Co., Ltd.
- Nanofiber yarn dispenser13 Dec 2022US 11,524,862 B2Lintec of America, Inc.
- Carbon nanofiber sensor for non-enzymatic glucose detection and methods of glucose detection using such carbon nanofiber sensor15 Jun 2021US 11,035,820 B2Tuskegee University
- Carbon material and production method for same13 Apr 2021US 10,975,501 B2Mitsubishi Chemical Corporation
- Nanofiber yarn dispenser24 Nov 2020US 10,843,891 B2Lintec of America, Inc.
- Methods of Using N-Containing Compounds with Carbon Black to Replace Pan and Form Carbon Fibers23 Dec 2021US 2021/0395531 A1UNM Rainforest Innovations
- Nanofiber yarn dispenser11 Mar 2021US 2021/0070581 A1Lintec of America, Inc.
- Carbon nanotube array and its production method, and spun carbon nanotube yarn and its production method12 Mar 2020US 2020/0079652 A1Sugita Densen Co., Ltd.
- Methods of Using N-Containing Compounds with Carbon Black to Replace Pan and Form Carbon Fibers2 Jan 2020US 2020/0002543 A1Stc. Unm
- Carbon nanofiber sensor for non-enzymatic glucose detection and methods of glucose detection using such carbon nanofiber sensor10 Oct 2019US 2019/0310223 A1Tuskegee University
Most cited
By later US patents
- Carbon fibrils, method for producing same and compositions containing same361US 4,663,230 AHyperion Catalysis International, Inc. · 1987
- Carbon fibrils and method for producing same250US 5,165,909 AHyperion Catalysis Int'l., Inc. · 1992
- Method for fabricating carbon nanotube yarn236US 7,045,108 B2Hon Hai Precision Ind.Co., Ltd. · 2006
- Process for preparing fine carbon fibers in a gaseous phase reaction148US 4,572,813 ANikkiso Co., Ltd. · 1986
- Carbon fibrils144US 5,707,916 AHyperion Catalysis International, Inc. · 1998