Assignee
HYDRAROLL LTD
4 granted patents·210 citations·filing 1976–1988
Top patents by PatentIndex Score
4 records- 0193US4909378AMechanical handling apparatusHYDRAROLL LTD·Filed 1988·Granted Mar 20, 1990·123 cites·18 claims
- 0285US4089399AMechanical handling apparatusHYDRAROLL LTD·Filed 1976·Granted May 16, 1978·44 cites·7 claims
- 0377US4593810AMechanical handling apparatusHYDRAROLL LTD·Filed 1982·Granted Jun 10, 1986·33 cites·5 claims
- 0438US4750604AMechanical handling apparatusHYDRAROLL LTD·Filed 1986·Granted Jun 14, 1988·10 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →