Inventor · disambiguated record
Francis J. Perry
Also filed as: PERRY FRANCIS J · PERRY FRANCIS JAMES
5 granted patents·136 citations·filing 1976–1977
83Inventor score
Files withIBM5
Top patents by PatentIndex Score
5 records- 0191US4042937AInk supply for pressurized ink jetIBM·Filed 1976·Granted Aug 16, 1977·46 cites·14 claims
- 0285US4130126AInk maintenance sensorIBM·Filed 1977·Granted Dec 19, 1978·43 cites·8 claims
- 0377US4089007ADigital flow pressure regulatorIBM·Filed 1976·Granted May 9, 1978·29 cites·4 claims
- 0460US4167014ACircuitry for perfecting ink drop printing at varying carrier velocityIBM·Filed 1977·Granted Sep 4, 1979·11 cites·4 claims
- 0550US4084164AInk collector in ink jet printerIBM·Filed 1977·Granted Apr 11, 1978·7 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →