Description
Class F27B : FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
Subclass 3/00: Hearth-type furnaces, e.g. of reverberatory type (F27B 9/00-F27B 15/00, F27B 21/00 take precedence); Electric arc furnaces
F27B 3/00
Sub-Class
Stats
- 8 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 12 Total Patent Owners
- 71 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 9822970 | Combustion device for melting furnace, and melting furnace | Feb 15, 11 | Nov 21, 17 | MEMJET TECHNOLOGY LIMITED, OSAKA GAS CO., LTD., |
| 9150446 | Glass melting furnace | Mar 25, 09 | Oct 06, 15 | AGC GLASS EUROPE |
| 8851883 | Preheating of fuel and oxidant of oxy-burners, using combustion air preheating installations | Aug 17, 06 | Oct 07, 14 | L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE, AGC FLAT GLAS EUROPE SA, L'AIR LIQUIDE, SOCIÉTÉ ANONYME POUR L'ÉTUDE ET L'ÉXPLOITATION DES PROCÉDÉS GEORGES CLAUDE, |
| 8414825 | Movable sweat hearth for metal melting furnace | Aug 24, 10 | Apr 09, 13 | NOVELIS INC. |
| 8158054 | Method and system for producing metallic iron nuggets | Dec 16, 09 | Apr 17, 12 | NU-IRON TECHNOLOGY, LLC |
| 8092214 | Method for continuous mixing and melting inorganic salts and furnace installation for realizing the method | Mar 24, 08 | Jan 10, 12 | Durferrit GmbH |
| 6652267 | Burner for the partial oxidation of liquid fuels which contain carbon | May 06, 02 | Nov 25, 03 | Metallgesellschaft Aktiengesellschaft |
| 6544029 | Methods and apparatus for combustion in high volatiles environments | Sep 19, 01 | Apr 08, 03 | L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE, AMERICAN AIR LIQUIDE, INC., American Air Liqude, |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 46 Months (last 2 years Issuances)
- 46 Months (last 5 years Issuances)