Class F28G : CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS
Subclass 1/04: Non-rotary, e.g. reciprocated, appliances (F28G 3/00 takes precedence) having articulated tools, e.g. assembled in chain manner
| 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 |
| 11874077 | Flexible lance drive apparatus with autostroke function | Oct 03, 22 | Jan 16, 24 | Stoneage Inc. |
| 11460257 | Flexible lance drive apparatus with autostroke function | Oct 24, 19 | Oct 04, 22 | Stoneage Inc. |
| 10486206 | Apparatus, system and method for cleaning inner surfaces of tubing with bends | May 16, 16 | Nov 26, 19 | 1863815 Ontario Limited |
| 10365052 | Self-cleaning heat exchange assembly | May 16, 16 | Jul 30, 19 | General Electric Company |
| 9511395 | Knuckle-jointed lance segments with an exterior protective system | Jun 17, 14 | Dec 06, 16 | THOMAS ENGINEERING SOLUTIONS & CONSULTING, LLC |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0410,663 | Flexible Lance Drive Apparatus with Autostroke Function | Jan 15, 24 | Dec 12, 24 | Not available |
| 2020/0056,851 | FLEXIBLE LANCE DRIVE APPARATUS WITH AUTOSTROKE FUNCTION | Oct 24, 19 | Feb 20, 20 | Not available |
| 2020/0056,850 | APPARATUS FOR REMOVING LARGE AMOUNTS OF CONDENSATE FROM AN UNDERGROUND VAULT STEAM SYSTEM DURING STARTUP | Aug 14, 18 | Feb 20, 20 | Not available |
| 2018/0372,432 | FLEXIBLE LANCE DRIVE APPARATUS WITH AUTOSTROKE FUNCTION | Aug 31, 18 | Dec 27, 18 | Not available |
| 2017/0102,195 | FLEXIBLE LANCE DRIVE APPARATUS WITH AUTOSTROKE FUNCTION | Sep 20, 16 | Apr 13, 17 | STONEAGE, INC. |
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