Description
Class F23H : GRATES
Subclass 1/02: Grates with solid bars (double grates F23H 5/00) having provision for air supply or air preheating, e.g. air-supply or blast fittings which form part of the grate structure or serve as supports
F23H 1/02
Sub-Class
Stats
- 6 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 4 Total Patent Owners
- 52 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11815265 | Grate bar for stepped grate | Apr 25, 22 | Nov 14, 23 | IKN GMBH |
| 10030870 | Pellet boiler with removable grate | Sep 05, 12 | Jul 24, 18 | Not available |
| 8939093 | Boiler grate and a boiler | Jan 18, 12 | Jan 27, 15 | VALMET POWER OY |
| 8602020 | Fire grate for enhanced combustion with vertical and horizontal expansion sleeves | Mar 08, 10 | Dec 10, 13 | Earth's Flame, Inc. |
| 6024031 | Water-cooled thrust combustion grate | Apr 21, 98 | Feb 15, 00 | DOIKOS INVESTMENTS LTD. |
| 5871348 | Method and apparatus for preventing formation of snowmen and removing lumps of coating in clinker coolers | Nov 10, 97 | Feb 16, 99 | THYSSENKRUPP POLYSIUS AKTIENGESELLSCHAFT |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 30 Months (last 2 years Issuances)
- 30 Months (last 5 years Issuances)