F23H 7/00
Inclined or stepped grates
Official title: Inclined {or stepped} grates (inclined travelling grates F23H11/12)
F23H7/00 (Inclined or stepped grates) appears on 85 US grants and 58 published applications in this corpus.
Search patents in F23H- Granted patents
- 85
- Published applications
- 58
- Assignees
- 58
- Inventors
- 163
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 3 |
| 2005 | 2 | 4 |
| 2006 | 2 | 1 |
| 2007 | 2 | 3 |
| 2008 | 3 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 3 |
| 2013 | 2 | 10 |
| 2014 | 0 | 1 |
| 2015 | 4 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 2 |
| 2018 | 3 | 2 |
| 2019 | 1 | 2 |
| 2020 | 4 | 1 |
| 2021 | 1 | 2 |
| 2022 | 0 | 4 |
| 2023 | 4 | 4 |
| 2024 | 3 | 1 |
| 2025 | 0 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Water-cooled grate block for an incinerator9 Jun 2026US 12,650,224 B2Kanadevia Inova AG
- Plate-formed grate element for a movable grate of a furnace31 Mar 2026US 12,590,700 B2Kanadevia Inova Denmark A/S
- Grate block for a combustion grate31 Dec 2024US 12,181,149 B2Kanadevia Inova AG
- Grate bar, grate bar arrangement, and method for operating a grate bar arrangement1 Oct 2024US 12,104,787 B2Martin GmbH fuer Umwelt- und Energietechnik
- Grate bar, grate bar arrangement, and method for operating a grate bar arrangement20 Feb 2024US 11,906,162 B2MARTIN GmbH fuer Umwell- und Energietechnik
- Solid Fuel Combustion Apparatus and Method18 Jun 2026US 2026/0168667 A1Air Products and Chemicals, Inc.
- Grate line bordering element for a combustion grate8 Jan 2026US 2026/0009534 A1Kanadevia Inova AG
- Grate bar and use of a grate bar10 Apr 2025US 2025/0116399 A1
- Grate block for a combustion grate20 Feb 2025US 2025/0060099 A1Kanadevia Inova AG
- Plate-formed grate element for a movable grate of a furnace18 Apr 2024US 2024/0125471 A1Kanadevia Inova Denmark A/S
Most cited
By later US patents
- Incinerating method and apparatus having selective, controlled movement of materials during combustion34US 4,170,183 AEnergy Generation, Inc. · 1979
- Apparatus and method for producing gas25US 4,109,590 AMansfield Carbon Products, Inc. · 1978
- Furnace grate24US 4,676,176 A1987
- Stoker and grate therefore20US 4,103,627 AMorse Boulger, Inc. · 1978
- Step type stoker with oscillation mechanism20US 4,563,959 ATakuma Co., Ltd. · 1986