loadpatents
Patent applications and USPTO patent grants for JOY MM DELAWARE.The latest application filed is for "longwall mining roof supports".
Patent | Date |
---|---|
Longwall Mining Roof Supports App 20110006586 - Holme; John | 2011-01-13 |
Cooling A Ranging Arm Gear Case On A Longwall Shearer App 20100301660 - Niederriter; Edward F. ;   et al. | 2010-12-02 |
Non-conductive Trailing Cable Guide App 20100300826 - Peterson; Adam S. ;   et al. | 2010-12-02 |
Hoist Locking Mechanism App 20100301293 - Venter; Jeremia Petrus | 2010-12-02 |
Cutter Drum Extension Mechanism App 20100276986 - Willison; John E. ;   et al. | 2010-11-04 |
Method and apparatus for maintaining longwall face alignment App 20100276982 - Niederriter; Edward F. | 2010-11-04 |
Noise Reduced Continuous Miner App 20100276985 - Johnson; Randall F. ;   et al. | 2010-11-04 |
Replaceable sound dampening conveyor chain flight App 20100276254 - O'Neill; Michael L. | 2010-11-04 |
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