Inventor · disambiguated record
Douglas Shipman
Also filed as: SHIPMAN DOUGLAS · SHIPMAN DOUGLAS L
3 granted patents·1 pending application·48 citations·filing 1983–2015
68Inventor score
Top patents by PatentIndex Score
4 records- 0171US4569161APneumatic powder metering apparatus with improved powder throttling mechanismPENNWALT CORP·Filed 1983·Granted Feb 11, 1986·30 cites·6 claims
- 0260US4535576AAnti-static process for abrasive jet machiningPENNWALT CORP·Filed 1984·Granted Aug 20, 1985·18 cites·13 claims
- 0344US8961155B2Peristaltic linear pump and method of operationSHIPMAN DOUGLAS·Filed 2012·Granted Feb 24, 2015·0 cites·12 claims
- 0442US2015159641A1Peristaltic Linear Pump and Method of OperationSHIPMAN DOUGLAS·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →