Individual holder
VANDERLANS GERALD J
US·3 granted patents·41 citations·filing 1977–1989
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0166US4421698ASealing device for use in grouting pipe joints and method of using sameVANDERLANS GERALD J·Filed 1982·Granted Dec 20, 1983·26 cites·6 claims
- 0243US4964439APipe plug with circumferential suction cupsVANDERLANS GERALD J·Filed 1989·Granted Oct 23, 1990·13 cites·6 claims
- 0327US4182642APipeline joint testerVANDERLANS GERALD J·Filed 1977·Granted Jan 8, 1980·2 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →