Assignee
GEN PORTLAND INC
5 granted patents·107 citations·filing 1974–1983
Top patents by PatentIndex Score
5 records- 0189US4023955AControlled release fertilizerGEN PORTLAND INC·Filed 1974·Granted May 17, 1977·33 cites·15 claims
- 0269US4054464AMethod for making cement using aragoniteGEN PORTLAND INC·Filed 1976·Granted Oct 18, 1977·24 cites·12 claims
- 0368US4002483AExpansive cementGEN PORTLAND INC·Filed 1975·Granted Jan 11, 1977·23 cites·36 claims
- 0459US4047961ACement compositionGEN PORTLAND INC·Filed 1975·Granted Sep 13, 1977·17 cites·13 claims
- 0547US4548243AApparatus for automatically placing bagsGEN PORTLAND INC·Filed 1983·Granted Oct 22, 1985·10 cites·27 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →