Assignee
EXCAVATION ENGINEERING ASSOCIA
US·4 granted patents·161 citations·filing 1993–1998
Top patents by PatentIndex Score
4 records- 0165US5961185AShielded cutterhead with small rolling disc cuttersEXCAVATION ENGINEERING ASSOCIA·Filed 1997·Granted Oct 5, 1999·49 cites·60 claims
- 0262US5626201ADisc cutter and method of replacing disc cuttersEXCAVATION ENGINEERING ASSOCIA·Filed 1993·Granted May 6, 1997·36 cites·95 claims
- 0356US5904211ADisc cutter and excavation equipmentEXCAVATION ENGINEERING ASSOCIA·Filed 1996·Granted May 18, 1999·40 cites·47 claims
- 0450US6131676ASmall disc cutter, and drill bits, cutterheads, and tunnel boring machines employing such rolling disc cuttersEXCAVATION ENGINEERING ASSOCIA·Filed 1998·Granted Oct 17, 2000·36 cites·49 claims
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