Assignee
ROBBINS
3 granted patents·39 citations·filing 1978–1978
Top patents by PatentIndex Score
3 records- 0178US4193637ARotary cutterhead for an earth boring machineROBBINS·Filed 1978·Granted Mar 18, 1980·24 cites·13 claims
- 0251US4190294AExcavator for use in a tunneling shieldROBBINS·Filed 1978·Granted Feb 26, 1980·7 cites·9 claims
- 0349US4192556ATunnel boring machinesROBBINS·Filed 1978·Granted Mar 11, 1980·8 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →