F23H 9/00
Revolving-grates
Official title: Revolving-grates; Rocking or shaking grates (inclined grates F23H7/00)
F23H9/00 (Revolving-grates) appears on 26 US grants and 24 published applications in this corpus.
Search patents in F23H- Granted patents
- 26
- Published applications
- 24
- Assignees
- 24
- Inventors
- 54
- Latest grant
- 25 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 4 |
| 2023 | 3 | 3 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Biomass heating system with optimized flue gas treatment25 Jul 2023US 11,708,999 B2Sl-Technik GmbH
- Rotating grate with a cleaning device for a biomass heating system25 Apr 2023US 11,635,231 B2Sl-Technik GmbH
- Vibrating screen feeder process18 Apr 2023US 11,628,475 B2Kinergy Corporation
- Burn barrel11 Apr 2017US 9,618,202 B2
- Grate for high temperature gasification systems29 Dec 2015US 9,222,039 B2InEnTec Inc.
- Fixed bed gasifier with rollers12 Jun 2025US 2025/0186958 A1
- Vibrating screening feeder and method of use20 Jul 2023US 2023/0226574 A1Kinergy Corporation
- Vibrating screening feeder and method of use25 May 2023US 2023/0158549 A1Kinergy Corporation
- Vibrating screening feeder and method of use25 May 2023US 2023/0158550 A1Kinergy Corporation
- Biomass heating system, as well as its components27 Oct 2022US 2022/0341625 A1Sl-Technik GmbH
Most cited
By later US patents
- Grates20US 4,389,978 AParkinson Cowan GWB Limited · 1983
- System utilizing a vibratory combustion bed to incinerate waste material, or fuel14US 4,250,818 ACarl Schenck AG · 1981
- Vibratory hearth10US 5,086,714 A1992
- Vibrating hearth burners9US 4,491,077 ARichardsons Westgarth & Co., Ltd. · 1985
- Apparatus for combustion of biofuels8US 8,210,110 B2Hestia Heating Products, Inc. · 2012