Individual holder
ARMSTRONG GARY D
3 granted patents·46 citations·filing 1982–2020
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0177USD641385SDry sump oil pan for an engineARMSTRONG GARY D·Filed 2008·Granted Jul 12, 2011·24 cites·1 claims
- 0267US4414006AAir separation for an oil pumpARMSTRONG GARY D·Filed 1982·Granted Nov 8, 1983·21 cites·3 claims
- 0346USD950607SAxial flow air/oil separatorARMSTRONG GARY D·Filed 2020·Granted May 3, 2022·1 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →