Class F28G : CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS
Subclass 1/02: Non-rotary, e.g. reciprocated, appliances (F28G 3/00 takes precedence) having brushes (brushes A46B)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11235078 | Device for sanitizing air-conditioners | Jul 23, 15 | Feb 01, 22 | Not available |
| 10612868 | Coil brush | Dec 21, 16 | Apr 07, 20 | Not available |
| 10605546 | Heat exchanger | Oct 25, 17 | Mar 31, 20 | Tokyo Electric Power Company Holdings, Inc.; TAMAGAWA UNIVERSITY AND TAMAGAWA ACADEMY; |
| 10247657 | Fire tube scanner and method of use | Oct 26, 17 | Apr 02, 19 | Allen Ventures, LLC |
| 10179352 | Pivoting tube brush | May 25, 16 | Jan 15, 19 | Crossford International, LLC |
| 9827525 | Air conditioner | Jan 15, 15 | Nov 28, 17 | LG ELECTRONICS INC. |
| 9657431 | Laundry treating apparatus having cleaning device | Oct 18, 13 | May 23, 17 | LG ELECTRONICS INC. |
| 9517496 | Fire-tube boiler cleaner | Nov 12, 15 | Dec 13, 16 | CROSSFORD INTERNATIONAL, LLC |
| 9157685 | Heat exchanger maintenance technique | Apr 11, 11 | Oct 13, 15 | Not available |
| 9146063 | Machine for descaling cellular bodies of an air-water heat exchanger | Oct 07, 10 | Sep 29, 15 | ARTS |
| 8590600 | Cleaning brush device for condenser | Jun 02, 10 | Nov 26, 13 | KIM FAMILY TRUST |
| 6308774 | Method for the cleaning of heat exchange tubes and collecting device for the collection of deposits from heat exchange tubes | Aug 19, 99 | Oct 30, 01 | AREVA NP GMBH |
| 5741130 | Method and apparatus for minimizing disruption caused by depositions on a supply means for a combustion of gasification plant | Nov 30, 94 | Apr 21, 98 | ECOMB AB |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0341,199 | CLEANING DEVICE FOR A REFRIGERATED DISPLAY COUNTER | Apr 21, 23 | Oct 26, 23 | Not available |
| 2021/0048,260 | Condenser Cleaning System | Aug 16, 19 | Feb 18, 21 | Not available |
| 2018/0172,371 | Coil Brush | Dec 21, 16 | Jun 21, 18 | Not available |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
