Assignee
MARION POWER SHOVEL CO
13 granted patents·337 citations·filing 1970–1976
Top patents by PatentIndex Score
13 records- 0196US4046270APower shovel and crowd system thereforMARION POWER SHOVEL CO·Filed 1976·Granted Sep 6, 1977·115 cites·44 claims
- 0291US3971215APower shovel and crowd system thereforMARION POWER SHOVEL CO·Filed 1975·Granted Jul 27, 1976·51 cites·6 claims
- 0384US3985406ACushioned roller circleMARION POWER SHOVEL CO·Filed 1975·Granted Oct 12, 1976·31 cites·17 claims
- 0470US4037894AFrame construction for power shovels and the likeMARION POWER SHOVEL CO·Filed 1976·Granted Jul 26, 1977·20 cites·10 claims
- 0569US3933260AHoist system for power shovelsMARION POWER SHOVEL CO·Filed 1973·Granted Jan 20, 1976·35 cites·30 claims
- 0666US4085854APitch stop assembly for power shovelsMARION POWER SHOVEL CO·Filed 1975·Granted Apr 25, 1978·16 cites·30 claims
- 0761US3940163AVehicle for traversing rough terrainMARION POWER SHOVEL CO·Filed 1974·Granted Feb 24, 1976·19 cites·18 claims
- 0859US4098139AGear train and method of aligning component gears thereofMARION POWER SHOVEL CO·Filed 1976·Granted Jul 4, 1978·14 cites·5 claims
- 0949US3976211AMotion limit system for power shovelsMARION POWER SHOVEL CO·Filed 1974·Granted Aug 24, 1976·13 cites·34 claims
- 1046US4044903ASpecific linkage arrangement for bucket controlMARION POWER SHOVEL CO·Filed 1975·Granted Aug 30, 1977·7 cites·14 claims
- 1138US3990161ACrowd system for power shovelsMARION POWER SHOVEL CO·Filed 1975·Granted Nov 9, 1976·5 cites·12 claims
- 1235US4038765ABoom support structure for walking dragline excavatorMARION POWER SHOVEL CO·Filed 1974·Granted Aug 2, 1977·10 cites·18 claims
- 1325US3942662AVehicle having front end load supporting memberMARION POWER SHOVEL CO·Filed 1970·Granted Mar 9, 1976·1 cites·7 claims
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