Inventor · disambiguated record
Peter L. Duffield
Also filed as: DUFFIELD PETER · DUFFIELD PETER L · DUFFIELD PETER LEONARD
9 granted patents·410 citations·filing 1972–2004
91Inventor score
Top patents by PatentIndex Score
9 records- 0197US4432005AInk control system for ink jet printerADVANCED COLOR TECHNOLOGY INC·Filed 1982·Granted Feb 14, 1984·178 cites·2 claims
- 0290US4914522AReproduction and enlarging imaging system and method using a pulse-width modulated air streamVUTEK INC·Filed 1989·Granted Apr 3, 1990·81 cites·32 claims
- 0378US6081281ASpray head for a computer-controlled automatic image reproduction systemVUTEK INC·Filed 1997·Granted Jun 27, 2000·39 cites·37 claims
- 0472US4999651AMulti-color recorder with plural ink jets and reservoirs co-mounted on a reciprocating carriage, each reservoir containing a sub-reservoir in communication with an ink supply conduitVUTEK INC·Filed 1990·Granted Mar 12, 1991·35 cites·11 claims
- 0567US3970222AApparatus and method for initiating formation of a filament of coating liquidMEAD CORP·Filed 1972·Granted Jul 20, 1976·19 cites·6 claims
- 0666US5434604ASpray-painting system with automatic color calibrationVUTEK INC·Filed 1992·Granted Jul 18, 1995·27 cites·13 claims
- 0763US7077528B1Digital projection display system with external light sourceRAYTHEON CO·Filed 2004·Granted Jul 18, 2006·7 cites·26 claims
- 0861US3936135ACatching apparatus and method for jet drop recordingMEAD CORP·Filed 1974·Granted Feb 3, 1976·15 cites·9 claims
- 0950US4625373AMethod of making a printing head for an ink jet printerADVANCED COLOR TECHNOLOGY INC·Filed 1985·Granted Dec 2, 1986·9 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →