Inventor · disambiguated record
Christopher Harper
Also filed as: HARPER CHRISTOPHER · HARPER CHRISTOPHER R
5 granted patents·93 citations·filing 1994–2016
78Inventor score
Top patents by PatentIndex Score
5 records- 0182US7487724B1Liquid transfer arrangement for applying a printing liquid to a printing surfaceEVANS LARRY WILLIAM·Filed 2006·Granted Feb 10, 2009·11 cites·17 claims
- 0278US5785283ASystem and method for communicating operational status of a railway wayside to a locomotive cabUNION SWITCH & SIGNAL INC·Filed 1996·Granted Jul 28, 1998·54 cites·77 claims
- 0366US5779024ACleaning device for endless conveyorFiled 1994·Granted Jul 14, 1998·27 cites·11 claims
- 0457US10208575B2Alternative helical flow control device for polymer injection in horizontal wellsBAKER HUGHES A GE CO LLC·Filed 2016·Granted Feb 19, 2019·1 cites·17 claims
- 0537US10260321B2Inflow control device for polymer injection in horizontal wellsBAKER HUGHES A GE CO LLC·Filed 2016·Granted Apr 16, 2019·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →