Description
Class F23J : REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
Subclass 3/00: Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
F23J 3/00
Sub-Class
Stats
- 61 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 52 Total Patent Owners
- 416 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11719433 | Velocity damper for a recovery boiler | Nov 11, 21 | Aug 08, 23 | Andritz, Inc. |
| 11536450 | Power chimney sweep | Feb 09, 20 | Dec 27, 22 | Not available |
| 11448395 | High-temperature reheater anti-friction device | Sep 08, 21 | Sep 20, 22 | Not available |
| 11226095 | Velocity damper for a recovery boiler | Jan 20, 20 | Jan 18, 22 | Andritz, Inc. |
| 10962223 | Soot blower | Mar 28, 17 | Mar 30, 21 | MITSUBISHI POWER, LTD.; MHI PLANT CORPORATION; |
| 10551063 | Boiler ash remover based on combined flow | Nov 04, 15 | Feb 04, 20 | NANJING CHANGRONG ACOUSTIC INC. |
| 10458650 | Methods and systems for flue gas denitrification | Apr 18, 13 | Oct 29, 19 | Degremont |
| 10190770 | Method for cooling solid residues of a combustion process | Feb 10, 16 | Jan 29, 19 | HITACHI ZOSEN INOVA AG |
| 10001277 | Method for conveying impurities in pressurized fluidized bed incinerator system | Mar 22, 13 | Jun 19, 18 | Tsukishima Kikai Co. Ltd.; Sanki Engineering Co. Ltd.; |
| 9951287 | Low sulfur coal additive for improved furnace operation | Nov 05, 14 | Apr 24, 18 | ADA-ES, INC. |
| 9719677 | Pulverized coal fired boiler with wall-attachment secondary air and grid overfire air | Jan 15, 13 | Aug 01, 17 | YANTAI LONGYUAN POWER TECHNOLOGY CO., LTD. |
| 9593849 | Combustion of high solids liquid | Dec 03, 15 | Mar 14, 17 | POET RESEARCH, INC. |
| 9353944 | Combustion of high solids liquid | Sep 03, 10 | May 31, 16 | POET RESEARCH, INC. |
| 9097206 | Stirling engine and method of removing impurities in a heat-transfer tube group in a power device or a power-generating device which uses a stirling engine | Dec 09, 10 | Aug 04, 15 | ESTIR CO., LTD. |
| 9038413 | Separation method and apparatus | Aug 08, 11 | May 26, 15 | PRAXAIR TECHNOLOGY, INC. |
| 9033700 | Apparatus and method for cleaning regenerative-burner media bed | Oct 25, 05 | May 19, 15 | NOVELIS INC. |
| 8919266 | Low sulfur coal additive for improved furnace operation | Jul 18, 03 | Dec 30, 14 | ADA-ES, INC. |
| 8876970 | Device and system for producing cement clinker | Oct 19, 09 | Nov 04, 14 | THYSSENKRUPP POLYSIUS AKTIENGESELLSCHAFT |
| 8826488 | Ash fluidization system and method | Jul 28, 06 | Sep 09, 14 | GENERAL ELECTRIC TECHNOLOGY GMBH |
| 8661993 | Heavy fuel-fired boiler system and operating method thereof | Feb 09, 09 | Mar 04, 14 | MITSUBISHI HITACHI POWER SYSTEMS, LTD. |
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)