Class E21F : SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS
Subclass 5/06: Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires (dams E21F 17/103; applying liquids or other fluent materials to surfaces in general B05; flue-gas indicators G01N) by wetting or spraying Fluids used for spraying
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12098640 | Liquid nitrogen direct injection and foaming intelligent filling system based on mine fire area characteristics and application method | Dec 07, 23 | Sep 24, 24 | Shandong University of Science and Technology |
| 11685850 | Use of aqueous solution of organic ammonium carboxylate in preventing dusting of fine material and combination of an aqueous solution of organic ammonium carboxylate and fine material | Dec 21, 18 | Jun 27, 23 | OY GRANULA AB LTD. |
| 11236258 | Aqueous based dust control compositions and methods | Jan 14, 19 | Feb 01, 22 | Trican Well Service Ltd. |
| 10927280 | Methods of and systems for controlling dust | Nov 04, 16 | Feb 23, 21 | ECOLAB USA INC. |
| 10767090 | Method and composition for dust control | Feb 27, 17 | Sep 08, 20 | ECOLAB USA INC. |
| 10723925 | Composition comprising saturated hydrocarbon and method for dust suppression | Aug 08, 18 | Jul 28, 20 | American Refining Group, Inc. |
| 10648336 | Physical-chemical composite inhibitor for controlling spontaneous combustion of low-rank coal and method of preparing and using same | Dec 04, 17 | May 12, 20 | CHINA UNIVERSITY OF MINING AND TECHNOLOGY |
| 10640673 | Methods for maintaining unpaved roads | Feb 02, 16 | May 05, 20 | ChemTreat Inc. |
| 10385246 | Dust control formulations | Dec 14, 16 | Aug 20, 19 | Henry Company LLC |
| 9708520 | Concentrated sugar additive as anti-dusting agent | Aug 30, 12 | Jul 18, 17 | CARGILL, INCORPORATED |
| 9623454 | Method and composition for dust control | Feb 15, 14 | Apr 18, 17 | ECOLAB USA INC. |
| 9086180 | Quick connect fire and dust suppression system | Jul 11, 12 | Jul 21, 15 | Porta, Frank T. |
| 8808574 | Composition for dust control and limiting moisture re-absorption | Jun 03, 13 | Aug 19, 14 | ECOLAB USA INC. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0051,624 | DUST SUPPRESSANT COMPOSITION COMPRISING GLYCOLIPID | Dec 13, 22 | Feb 13, 25 | Not available |
| 2024/0376,359 | COMPOSITIONS AND METHODS FOR SUPPRESSING DUST | May 30, 23 | Nov 14, 24 | Not available |
| 2020/0095,864 | PHYSICAL-CHEMICAL COMPOSITE INHIBITOR FOR CONTROLLING SPONTANEOUS COMBUSTION OF LOW-RANK COAL AND METHOD OF PREPARING AND USING SAME | Dec 04, 17 | Mar 26, 20 | Not available |
| 2017/0341,094 | TUNNEL FAN AND METHOD | May 26, 17 | Nov 30, 17 | TWIN CITY FAN COMPANIES, LTD. |
| 2017/0130,109 | Methods of and Systems for Controlling Dust | Nov 04, 16 | May 11, 17 | ECOLAB USA INC. |
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