Description
Class F23L : AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS
Subclass 5/00: Blast-producing apparatus before the fire
F23L 5/00
Sub-Class
Stats
- 11 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 6 Total Patent Owners
- 64 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10006631 | Method for starting up pressurized fluidized bed incinerator system | Mar 22, 13 | Jun 26, 18 | Tsukishima Kikai Co. Ltd.; Sanki Engineering Co. Ltd.; |
| 8561554 | Burner structure | Jul 24, 08 | Oct 22, 13 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 8302543 | Method and apparatus for burning particulate matter | Nov 14, 06 | Nov 06, 12 | Not available |
| 7975658 | Air port and smelt spout cleaner and drop jaw tip | May 09, 03 | Jul 12, 11 | CLYDE BERGEMANN, INC. |
| 7891325 | Cleaner for the smelt spout of a recovery boiler | Oct 15, 07 | Feb 22, 11 | METSO POWER OY |
| 7475645 | Retractable liquor gun holder for a recovery furnace | May 26, 05 | Jan 13, 09 | DIAMOND POWER INTERNATIONAL, LLC |
| 6497230 | Air port damper | Apr 07, 00 | Dec 24, 02 | CLYDE BERGEMANN, INC. |
| 5528999 | Air nozzle for a recovery boiler | Feb 01, 95 | Jun 25, 96 | KVAERNER POWER OY |
| 5307745 | Removable damper for chemical recovery furnace | Sep 23, 92 | May 03, 94 | CLYDE BERGEMANN, INC. |
| 5209657 | Device for injecting preheated air into a shaft furnace and process of manufacturing ball-and-socket joints | Nov 08, 91 | May 11, 93 | PAUL WURTH S.A. |
| 5119743 | Device for injecting preheated air into a shaft furnace | Mar 08, 91 | Jun 09, 92 | PAUL WURTH S.A. |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 38 Months (last 2 years Issuances)
- 38 Months (last 5 years Issuances)