| 2024/0424,538 | CHIMNEY CLEANING SYSTEM | Jun 24, 24 | Dec 26, 24 | Not available |
| 2024/0418,360 | WASTE HEAT RECOVERY SYSTEM AND METHOD | Nov 09, 22 | Dec 19, 24 | SAMSUNG E&A CO., LTD. |
| 2022/0357,035 | STEAM SOOT BLOWING DEVICE, ROTARY AIR PREHEATER AND STEAM JET PARAMETER DESIGN METHOD | Dec 29, 20 | Nov 10, 22 | Not available |
| 2022/0341,625 | BIOMASS HEATING SYSTEM, AS WELL AS ITS COMPONENTS | Sep 03, 20 | Oct 27, 22 | SL-TECHNIK GMBH |
| 2022/0252,262 | Optimized Overfire Air Nozzles, System and Strategy | Aug 18, 21 | Aug 11, 22 | Not available |
| 2022/0243,913 | Closed-loop Control System, Method and Device for Intelligent Soot Blowing of Utility Boiler | Oct 15, 21 | Aug 04, 22 | Not available |
| 2021/0372,614 | SMELT SPOUT CLEANING ASSEMBLY | May 27, 21 | Dec 02, 21 | Not available |
| 2021/0102,699 | Method and Apparatus for Cleaning Chimneys | Oct 01, 20 | Apr 08, 21 | ChimSteam, LLC |
| 2020/0309,370 | FURNACE FLUE PIPE CLEARANCE DEVICE AND A METHOD OF USING THE SAME | Mar 26, 19 | Oct 01, 20 | Not available |
| 2019/0078,779 | SOOT BLOWER | Mar 28, 17 | Mar 14, 19 | MITSUBISHI HITACHI POWER SYSTEMS, LTD.; MHI PLANT CORPORATION; |
| 2018/0187,886 | BOILER ASH REMOVER BASED ON COMBINED FLOW | Nov 04, 15 | Jul 05, 18 | NANJING CHANGRONG ACOUSTIC INC. |
| 2018/0156,454 | SYSTEMS AND METHODS FOR TESTING FLUE GAS CLEANING SYSTEMS | Dec 01, 16 | Jun 07, 18 | Not available |
| 2018/0119,952 | SYSTEM AND METHOD FOR REMOVING ASH DEPOSITS WITHIN A BOILER | Oct 31, 16 | May 03, 18 | General Electric Technology GmbH |
| 2017/0059,157 | DEVICE FOR CLEANING AND REMOTELY INSPECTING A CHIMNEY | Nov 15, 16 | Mar 02, 17 | Not available |
| 2016/0377,284 | SOOT TRAP FOR USE IN CHIMNEY CLEANING | Jan 25, 16 | Dec 29, 16 | Not available |
| 2016/0346,813 | METHOD AND DEVICE FOR CLEANING INTERIORS OF CONTAINERS AND SYSTEMS | Feb 04, 15 | Dec 01, 16 | BANG & CLEAN GMBH |
| 2016/0341,422 | FILAMENT RETAINING DEVICE | May 20, 16 | Nov 24, 16 | Not available |
| 2016/0290,638 | SYSTEM AND METHOD FOR INJECTING COMPOUND INTO UTILITY FURNACE | Apr 01, 16 | Oct 06, 16 | Not available |
| 2015/0308,683 | Device and Method Relating to the Installation of a Liner in a Chimney or Flue | Mar 31, 15 | Oct 29, 15 | Not available |
| 2015/0167,970 | Method and System for Fuzzy Constrained Sootblowing Optimization | Nov 18, 14 | Jun 18, 15 | Not available |