Description
Class F23H : GRATES
Subclass 3/00: Grates with hollow bars
F23H 3/00
Sub-Class
Stats
- 2 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 4 Total Patent Owners
- 68 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 6928936 | Device for feeding pulverized coal to furnace | Mar 22, 04 | Aug 16, 05 | COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH |
| 5899150 | Grate element and grate with fluid cooling | May 30, 97 | May 04, 99 | MARTIN GMBH FUR UMWELT-UND ENERGIETECHNIK, Techform Engineering GmbH, |
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)