C10K 3/023
Reducing the tar content
Official title: {Reducing the tar content}
C10K3/023 (Reducing the tar content) appears on 71 US grants and 102 published applications in this corpus.
Search patents in C10K- Granted patents
- 71
- Published applications
- 102
- Assignees
- 80
- Inventors
- 254
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 4 |
| 2005 | 1 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 4 |
| 2008 | 1 | 2 |
| 2009 | 0 | 3 |
| 2010 | 0 | 13 |
| 2011 | 6 | 7 |
| 2012 | 3 | 6 |
| 2013 | 3 | 15 |
| 2014 | 7 | 6 |
| 2015 | 11 | 11 |
| 2016 | 8 | 5 |
| 2017 | 7 | 2 |
| 2018 | 3 | 2 |
| 2019 | 3 | 2 |
| 2020 | 1 | 2 |
| 2021 | 1 | 2 |
| 2022 | 0 | 4 |
| 2023 | 2 | 3 |
| 2024 | 1 | 1 |
| 2025 | 3 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for purifying gas and use7 Apr 2026US 12,595,431 B2Teknologian tutkimuskeskus VTT Oy
- Method and apparatus for removing impurities from gasification gas and use20 May 2025US 12,305,133 B2Teknologian tutkimuskeskus VTT Oy
- Method for producing hydrogen from woody waste through staged pyrolysis and catalytic gasification13 May 2025US 12,297,394 B2
- Process of treating carbonaceous material and apparatus therefor8 Apr 2025US 12,270,002 B2Seata Holdings Pty Ltd
- System and processes for upgrading synthetic gas produced from waste materials, municipal solid waste or biomass16 Apr 2024US 11,959,037 B2
- Systems and methods for processing biomass18 Jun 2026US 2026/0167868 A1CHAR Technologies Research Inc.
- Waste processing method and system15 Jan 2026US 2026/0014519 A1Cenagen Pty Ltd.
- System for the neutral/negative co2 production of syngas from solid fuels with high hydrogen content for uses at high temperature14 Aug 2025US 2025/0256255 A1Universita' Degli Studi Dell' Aquila
- Integrated system of devices and procedure for converting carbon-based composite material into a hydrogen-rich gas, with the option of capturing and using its emissions and waste26 Jun 2025US 2025/0206603 A1Blueplasma Power, S.L.
- Syngas conditioning29 May 2025US 2025/0170545 A1
Most cited
By later US patents
- Hydrogasification of biomass to produce high yields of methane85US 4,822,935 A1989
- Synthesis gas from slurries of solid carbonaceous fuels68US 4,436,531 ATexaco Development Corporation · 1984
- Synthesis gas production66US 4,046,523 AExxon Research & Engineering Co. · 1977
- Production and conditioning of synthesis gas obtained from biomass55US 8,137,655 B2Enerkem, Inc. · 2012
- Process for decontaminating syngas52US 8,007,688 B2Southern Research Institute · 2011