C10J 3/34
Grates
Official title: Grates; Mechanical ash-removing devices
C10J3/34 (Grates) appears on 242 US grants and 199 published applications in this corpus.
Search patents in C10J- Granted patents
- 242
- Published applications
- 199
- Assignees
- 173
- Inventors
- 458
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 7 | 0 |
| 1978 | 9 | 0 |
| 1979 | 7 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 9 | 0 |
| 1983 | 9 | 0 |
| 1984 | 11 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 8 |
| 2003 | 4 | 2 |
| 2004 | 2 | 8 |
| 2005 | 3 | 4 |
| 2006 | 1 | 9 |
| 2007 | 4 | 10 |
| 2008 | 1 | 6 |
| 2009 | 0 | 13 |
| 2010 | 5 | 12 |
| 2011 | 6 | 13 |
| 2012 | 10 | 15 |
| 2013 | 7 | 9 |
| 2014 | 9 | 12 |
| 2015 | 16 | 15 |
| 2016 | 9 | 11 |
| 2017 | 5 | 6 |
| 2018 | 6 | 7 |
| 2019 | 7 | 3 |
| 2020 | 10 | 12 |
| 2021 | 4 | 2 |
| 2022 | 4 | 3 |
| 2023 | 5 | 6 |
| 2024 | 1 | 4 |
| 2025 | 2 | 8 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fully modularized pyrolysis reactor with simultaneous multi-feed capabilities6 Oct 2026US 12,753,356 B2Harvestgreen 4H2 Inc.
- Method and apparatus for a combined tire pyrolyzer/gasifier and biomass gasifier22 Sep 2026US 12,742,126 B2
- Drying furnace device of gasifier capable of automatically adjusting temperature15 Sep 2026US 12,735,650 B2Anhui University of Science and Technology
- Process and plant for biomass treatment5 Aug 2025US 12,378,486 B2Hbi S.R.L.
- Method of operating a fixed-bed gasifier for producing a product gas from pourable carbonaceous particles18 Mar 2025US 12,252,653 B2MHR Holdings PTE. Ltd..
- Gasification26 Mar 2026US 2026/0085250 A1Gasification Consultancy Limited
- Fully modularized pyrolysis reactor with simultaneous multi-feed capabilities9 Oct 2025US 2025/0313766 A1Harvestgreen 4H2 Inc.
- Fully modularly assembled bottom-feed pyrolysis reactor and multi-product co-generation system9 Oct 2025US 2025/0313767 A1Harvestgreen 4H2 Inc.
- Fixed bed gasifier with temperature-homogenization layer26 Jun 2025US 2025/0207047 A1
- Fixed bed gasifier with rollers12 Jun 2025US 2025/0186958 A1
Most cited
By later US patents
- System and method for gasification of solid carbonaceous fuels105US 4,385,905 AEverett Metal Products · 1983
- Method for producing fuel gas from organic material, capable of self-sustaining operation101US 4,530,702 APyrenco, Inc. · 1985
- Fluid bed coal gasification75US 3,971,639 AGulf Oil Corporation · 1976
- Process for gasification of coal to maximize coal utilization and minimize quantity and ecological impact of waste products59US 4,199,327 AKaiser Engineers, Inc. · 1980
- Coal pretreatment and gasification process57US 4,057,402 AInstitute of Gas Technology · 1977