Assignee
ALVAREZ CALDERON ALBERTO
4 granted patents·122 citations·filing 1973–1976
Top patents by PatentIndex Score
4 records- 0188US3937025AInflatable envelope systems for use in excavationsALVAREZ CALDERON ALBERTO·Filed 1973·Granted Feb 10, 1976·58 cites·25 claims
- 0284US4072018ATunnel support structure and methodALVAREZ CALDERON ALBERTO·Filed 1975·Granted Feb 7, 1978·47 cites·22 claims
- 0351US4056939AInflatable envelope systems for use in excavationsALVAREZ CALDERON ALBERTO·Filed 1976·Granted Nov 8, 1977·13 cites·7 claims
- 0430US3949956AParametrically shaped leading edge flapsALVAREZ CALDERON ALBERTO·Filed 1974·Granted Apr 13, 1976·4 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →