B01J 2219/083
Cylindrical
Official title: cylindrical
B01J2219/083 (Cylindrical) appears on 237 US grants and 295 published applications in this corpus.
Search patents in B01J- Granted patents
- 237
- Published applications
- 295
- Assignees
- 193
- Inventors
- 626
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 11 | 4 |
| 2002 | 8 | 14 |
| 2003 | 16 | 22 |
| 2004 | 8 | 19 |
| 2005 | 18 | 26 |
| 2006 | 20 | 17 |
| 2007 | 3 | 12 |
| 2008 | 5 | 10 |
| 2009 | 9 | 11 |
| 2010 | 7 | 9 |
| 2011 | 8 | 13 |
| 2012 | 9 | 11 |
| 2013 | 15 | 9 |
| 2014 | 9 | 9 |
| 2015 | 5 | 9 |
| 2016 | 8 | 18 |
| 2017 | 7 | 7 |
| 2018 | 8 | 12 |
| 2019 | 8 | 8 |
| 2020 | 7 | 5 |
| 2021 | 4 | 8 |
| 2022 | 6 | 6 |
| 2023 | 6 | 14 |
| 2024 | 7 | 11 |
| 2025 | 6 | 10 |
| 2026 | 6 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid plasma discharge device and method for biodiesel synthesis using same15 Sep 2026US 12,734,499 B2Regents of the University of Minnesota
- Plasma reactor and plasma chemical reactions18 Aug 2026US 12,708,890 B2Nanoplazz Technologies Ltd.
- Gas-to-liquid reactor and method of using14 Jul 2026US 12,678,761 B2PlasMerica, LLC
- Coal to acetylene plasma reactor having coking inhibition and online decoking functions10 Feb 2026US 12,544,731 B2Xinjiang Yuehetai Chemical Technology Co., Ltd.
- CO2 hydrogenation to oxygenates using plasma catalysis20 Jan 2026US 12,528,068 B2The University of Liverpool
- Apparatus and method for propogation reaction of hydrocarbons18 Jun 2026US 2026/0167588 A1PlasMerica, LLC
- Device and method for continuous synthesis of graphene4 Dec 2025US 2025/0367622 A1Universal Matter Inc.
- Isothermal reactor for plasma-catalysis chemical conversion30 Oct 2025US 2025/0332564 A1Energo
- Plasma arc process and apparatus for the production of fumed silica16 Oct 2025US 2025/0319451 A1
- Plasma reactor for greenhouse gas conversion11 Sep 2025US 2025/0281895 A1
Most cited
By later US patents
- Hydrogen and elemental carbon production from natural gas and other hydrocarbons85US 6,395,197 B1Bechtel BWXT Idaho, LLC · 2002
- Carbon nanostructures and methods of preparation60US 6,765,949 B22004
- Apparatus for treating liquids with wave energy from an electrical arc58US 7,857,972 B2Foret Plasma Labs, LLC · 2010
- Chemical processing using non-thermal discharge plasma55US 6,923,890 B2Plasmasol Corporation · 2005
- Charged particle neutralizing apparatus and method of neutralizing charged particles54US 6,145,391 ARegents of the University of Minnesota · 2000