Description
Class F23D : BURNERS
Subclass 3/12: Burners using capillary action Wick burners Blue-flame burners with flame spreaders
F23D 3/12
Sub-Class
Stats
- 2 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 1 Total Patent Owners
- 5 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11996309 | Wafer boat handling device, vertical batch furnace and method | May 14, 20 | May 28, 24 | ASM IP Holding B.V. |
| 5586880 | Heat treatment apparatus and heat treatment boat | May 30, 95 | Dec 24, 96 | TOKYO ELECTRON LIMITED |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 33 Months (last 2 years Issuances)
- 33 Months (last 5 years Issuances)