Class F28G : CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS
Subclass 1/12: Non-rotary, e.g. reciprocated, appliances (F28G 3/00 takes precedence) Fluid-propelled scrapers, bullets, or like solid bodies
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12017260 | Systems and methods for belt-fed tube cleaning | Apr 05, 21 | Jun 25, 24 | Crossford International, LLC |
| 11988472 | Cleaning ball and method for manufacturing same | Dec 21, 20 | May 21, 24 | MIZUKI CO., LTD. |
| 11965703 | Heat exchanger end cover integrated with rubber ball cleaning apparatus | Jul 19, 19 | Apr 23, 24 | GUANGZHOU MARTON ENVIRONMENTAL TECHNOLOGY CO., LTD. |
| 11571722 | Cleaning coke deposits from process equipment | Jun 13, 22 | Feb 07, 23 | Chevron Phillips Chemical Company, LP |
| 11383278 | Cleaning coke deposits from process equipment | Feb 11, 21 | Jul 12, 22 | Chevron Phillips Chemical Companv LP |
| 11287198 | Air-cooled heat exchanger cleaning and temperature control apparatus | Jan 04, 21 | Mar 29, 22 | Saudi Arabian Oil Company |
| 11262146 | Soot blower and method of cleaning tubular heat exchanger by using the same | Oct 25, 16 | Mar 01, 22 | GEESCO CO., LTD. |
| 11236958 | Tube cleaning gun with self-sealing nozzle | Feb 28, 18 | Feb 01, 22 | Projectile Tube Cleaning, Inc. |
| 11110566 | Device, system, and method for cleaning the interior of the tubes in air-cooled heat exchangers | Oct 02, 18 | Sep 07, 21 | Not available |
| 11040777 | Cleanout systems for use with aircraft | Dec 04, 18 | Jun 22, 21 | The Boeing Company |
| 10953443 | Cleaning coke deposits from process equipment | Apr 01, 19 | Mar 23, 21 | Chevron Phillips Chemical Company, LP |
| 10907822 | Waste heat boiler | Feb 06, 16 | Feb 02, 21 | ANHUI CONCH KAWASAKI ENGINEERING COMPANY LIMITED; Kawasaki Jukogyo Kabushiki Kaisha; ANHUI CONCH KAWASAKI ENERGY CONSERVATION EQUIPMENT MANUFACTURING COMPANY LIMITED; |
| 10907914 | Air-cooled heat exchanger cleaning and temperature control apparatus and method | May 09, 18 | Feb 02, 21 | Saudi Arabian Oil Company |
| 10816284 | Cleaning installation for cleaning a heat exchanger | Jun 22, 18 | Oct 27, 20 | EUGENE B |
| 10767772 | Seal with integrated fluid regulating device | Jul 20, 17 | Sep 08, 20 | Hamilton Sunstrand Corporation |
| 10753689 | Conduit pig | Jan 30, 17 | Aug 25, 20 | FIBERBUILT MANUFACTURING INC. |
| 10731932 | Blocking elements for ball trap screen | Aug 17, 18 | Aug 04, 20 | C.Q.M LTD |
| 10486206 | Apparatus, system and method for cleaning inner surfaces of tubing with bends | May 16, 16 | Nov 26, 19 | 1863815 Ontario Limited |
| 10451358 | Heat storage system | Nov 10, 17 | Oct 22, 19 | IHI Corporation |
| 10443948 | Heat exchanger for vehicle having housing with heat exchange core installed therein | Jun 02, 17 | Oct 15, 19 | Hyundai Motor Company; Hyundai Motor Company & Kia Motors Corporation; |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2022/0349,664 | HEAT EXCHANGER CLEANING SYSTEM AND HEAT EXCHANGER CLEANING METHOD | Sep 11, 19 | Nov 03, 22 | Not available |
| 2022/0333,881 | HORIZONTAL COLLECTING-WHILE-SENDING-BALL WATER SEPARATOR | Sep 20, 19 | Oct 20, 22 | Not available |
| 2020/0370,848 | IN-PROCESS CLEANING OF THE EXTERNAL SURFACES OF HEAT-TRANSFER TUBES USING A DRY MIXTURE OF SOLID POWDER AND GASES | May 20, 20 | Nov 26, 20 | SENTRO Technologies USA, LLC |
| 2019/0049,198 | Multi-Nozzle Mechanical Tube Cleaning System | Aug 11, 17 | Feb 14, 19 | Projectile Tube Cleaning, Inc. |
| 2018/0372,433 | Heat exchanger cleaning installation and associated system | Jun 22, 18 | Dec 27, 18 | Not available |
| 2018/0363,996 | CONDUIT PIG | Jan 30, 17 | Dec 20, 18 | Not available |
| 2018/0356,170 | BLOCKING ELEMENTS FOR BALL TRAP SCREEN | Aug 17, 18 | Dec 13, 18 | Not available |
| 2018/0180,365 | SYSTEM FOR INTERCEPTING AND COLLECTING CLEANING BODIES BY ALTERNATING SWEEPING | Jun 24, 16 | Jun 28, 18 | Not available |
| 2017/0016,686 | COMPLEX CLEANING SYSTEM FOR HEAT EXCHANGER | Jun 23, 14 | Jan 19, 17 | GEESCO CO., LTD. |
| 2016/0076,832 | Blocking Elements for Ball Trap Screen | May 22, 14 | Mar 17, 16 | C.Q.M. LTD. |
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