Class B60M : POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES
Subclass 1/14: Power supply lines for contact with collector on vehicle (collectors therefor B60L 5/00) Trolley lines; Accessories therefor Crossings; Points
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10052958 | Overhead power grid for mobile mining machines | Apr 14, 17 | Aug 21, 18 | Joy Global Underground Mining LLC |
| 9731625 | Adjustable crossover for electric trolley lines | Oct 28, 14 | Aug 15, 17 | Not available |
| 9623755 | Overhead power grid for mobile mining machines | Mar 15, 16 | Apr 18, 17 | JOY MM DELAWARE, INC. |
| 9283866 | Overhead power grid for mobile mining machines | Jun 12, 15 | Mar 15, 16 | JOY MM DELAWARE, INC. |
| 9056558 | Overhead power grid for mobile mining machines | Jan 31, 13 | Jun 16, 15 | JOY MM DELAWARE, INC. |
| 9038796 | Positioning and/or holding a plurality of line sections of electric lines along a drive way of a vehicle | Dec 21, 10 | May 26, 15 | BOMBARDIER TRANSPORTATION GMBH |
| 5390772 | Switchable high speed frog mechanism | Jul 16, 93 | Feb 21, 95 | Westinghouse Air Brake Company, IMPULSE NC, INC., |
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