Description
Class F28G : CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS
Subclass 3/16: Rotary appliances using jets of fluid for removing debris
F28G 3/16
Sub-Class
Stats
- 51 US PATENTS IN FORCE
- 15 US APPLICATIONS PENDING
- 18 Total Patent Owners
- 95 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12173973 | Tube bundle cleaning system and method | Feb 06, 24 | Dec 24, 24 | USA DeBusk LLC |
| 12031782 | Tube cleaning system and method | Jul 21, 20 | Jul 09, 24 | Tube Tech Industrial Ltd. |
| 11933556 | Tube bundle cleaning system and method | Apr 12, 23 | Mar 19, 24 | USA DeBusk LLC |
| 11874077 | Flexible lance drive apparatus with autostroke function | Oct 03, 22 | Jan 16, 24 | Stoneage Inc. |
| 11841198 | Cleaning system and method | Jun 10, 22 | Dec 12, 23 | Dos Viejos Amigos, LLC |
| 11808535 | High pressure nozzle and related methods | Jul 17, 20 | Nov 07, 23 | PSI Pressure Systems LLC |
| 11585615 | Tube lancing machine | Feb 25, 21 | Feb 21, 23 | Acconda LLC |
| 11561054 | Cleaning tubesheets of heat exchangers | Dec 03, 19 | Jan 24, 23 | Thermal Engineering International (USA) Inc. |
| 11460257 | Flexible lance drive apparatus with autostroke function | Oct 24, 19 | Oct 04, 22 | Stoneage Inc. |
| 11454466 | Automatic washing apparatus for heat exchanger bundle | Aug 27, 20 | Sep 27, 22 | BC TAECHANG INDUSTRIAL CORP. |
| 11441857 | Cross-jet nozzle and lance device | Apr 12, 19 | Sep 13, 22 | Enz Technik AG |
| 11421951 | Heat recovery steam generator cleaning system and method | Mar 17, 21 | Aug 23, 22 | Dos Viejos Amigos, LLC |
| 11033938 | Method and device for cleaning tube bundles | Sep 14, 16 | Jun 15, 21 | LOBBE Industrieservice GmbH & Co KG |
| 10962311 | Heat recovery steam generator cleaning system and method | Jan 16, 19 | Mar 30, 21 | Dos Viejos Amigos, LLC |
| 10928110 | Ice maker with reversing condenser fan motor to maintain clean condenser | May 03, 16 | Feb 23, 21 | True Manufacturing Co Inc. |
| 10821488 | Method and device for cleaning tube bundles | Feb 21, 20 | Nov 03, 20 | LOBBE Industrieservice GmbH & Co KG |
| 10809023 | Flexible tube cleaning lance positioner apparatus | Mar 19, 18 | Oct 20, 20 | Stoneage Inc. |
| 10724858 | System and methods for detecting, monitoring, and removing deposits on boiler heat exchanger surfaces using vibrational analysis | Oct 05, 18 | Jul 28, 20 | Integrated Test & Measurement (ITM), LLC |
| 10684082 | Flexible tube cleaning lance positioner frame apparatus | Jun 13, 18 | Jun 16, 20 | Stoneage Inc. |
| 10598449 | Self-rotating tube cleaning nozzle assembly | Oct 13, 17 | Mar 24, 20 | Federal Signal Corpoation |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0093,116 | TUBE BUNDLE CLEANING SYSTEM AND METHOD | Nov 26, 24 | Mar 20, 25 | Not available |
| 2024/0410,663 | Flexible Lance Drive Apparatus with Autostroke Function | Jan 15, 24 | Dec 12, 24 | Not available |
| 2024/0077,262 | CLEANING SYSTEM AND METHOD | Jun 13, 23 | Mar 07, 24 | Not available |
| 2023/0324,135 | DEVICE FOR CLEANING HEAT EXCHANGE TUBES OF A STEAM GENERATOR OF A NUCLEAR POWER PLANT | Nov 27, 20 | Oct 12, 23 | Not available |
| 2023/0077,287 | Systems for Cooling Recycled Off-Gas in Low-Density Polyethylene Production | Jan 27, 21 | Mar 09, 23 | Not available |
| 2022/0214,122 | HEAT RECOVERY STEAM GENERATOR CLEANING SYSTEM AND METHOD | Mar 24, 22 | Jul 07, 22 | Not available |
| 2021/0364,241 | Heat Recovery Steam Generator Cleaning System And Method | Mar 17, 21 | Nov 25, 21 | Not available |
| 2021/0131,755 | AUTOMATIC WASHING APPARATUS FOR HEAT EXCHANGER BUNDLE | Aug 27, 20 | May 06, 21 | BC TAECHANG INDUSTRIAL CORP. |
| 2020/0224,984 | Heat Recovery Steam Generator Cleaning System And Method | Jan 16, 19 | Jul 16, 20 | Not available |
| 2019/0316,857 | CROSS-JET NOZZLE AND LANCE DEVICE | Apr 12, 19 | Oct 17, 19 | Enz Technik AG |
| 2018/0313,617 | SYSTEM AND METHOD FOR AIR CONDITIONER EVAPORATOR COIL CLEANING | Sep 01, 16 | Nov 01, 18 | Not available |
| 2018/0292,151 | FLEXIBLE TUBE CLEANING LANCE POSITIONER FRAME APPARATUS | Jun 13, 18 | Oct 11, 18 | Not available |
| 2017/0343,308 | CLEANING SYSTEM AND METHOD | May 24, 16 | Nov 30, 17 | NLB CORP. |
| 2017/0276,443 | ROTATIONAL SPRAYER CLEANING DEVICE FOR AN AIR CONDITIONER CONDENSING UNIT AND METHOD | Mar 22, 16 | Sep 28, 17 | Not available |
| 2016/0327,352 | ICE MAKER WITH REVERSING CONDENSER FAN MOTOR TO MAINTAIN CLEAN CONDENSER | May 03, 16 | Nov 10, 16 | TRUE MANUFACTURING CO., INC. |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 24 Months (last 2 years Issuances)
- 24 Months (last 5 years Issuances)