Description
Class F23H : GRATES
Subclass 5/00: Double grates
F23H 5/00
Sub-Class
Stats
- 4 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 2 Total Patent Owners
- 39 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11859865 | Tankless water heater manifold system | Dec 09, 21 | Jan 02, 24 | Rinnai America Corporation a corporation of Georgia |
| 11041627 | Combustion grate for a pellet stove | Oct 10, 20 | Jun 22, 21 | SUN MOUNTAIN STOVE WORKS INC. |
| 6431856 | Catalytic combustion apparatus | Aug 14, 97 | Aug 13, 02 | MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
| 5938423 | Method and apparatus for controlling combustion using an oxygen sensor | May 21, 97 | Aug 17, 99 | TOYOTA JIDOSHA KABUSHIKI KAISHA |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 24 Months (last 2 years Issuances)
- 24 Months (last 5 years Issuances)