Assignee
DELPHAX SYSTEMS
US·47 granted patents·939 citations·filing 1982–1998
Top patents by PatentIndex Score
47 records- 0196US5103263APowder transport, fusing and imaging apparatusDELPHAX SYSTEMS·Filed 1991·Granted Apr 7, 1992·97 cites·27 claims
- 0294US5315324AHigh precision charge imaging cartridgeDELPHAX SYSTEMS·Filed 1992·Granted May 24, 1994·102 cites·9 claims
- 0393US4718657APaper stackerDELPHAX SYSTEMS·Filed 1984·Granted Jan 12, 1988·79 cites·11 claims
- 0484US5293537AImage transport fusing systemDELPHAX SYSTEMS·Filed 1992·Granted Mar 8, 1994·31 cites·20 claims
- 0583US4992807AGray scale printhead systemDELPHAX SYSTEMS·Filed 1990·Granted Feb 12, 1991·32 cites·13 claims
- 0683US4448872ADuplex imaging with pressure transfixingDELPHAX SYSTEMS·Filed 1982·Granted May 15, 1984·35 cites·18 claims
- 0782US5014076APrinter with high frequency charge carrier generationDELPHAX SYSTEMS·Filed 1989·Granted May 7, 1991·37 cites·28 claims
- 0879US5278588AElectrographic printing deviceDELPHAX SYSTEMS·Filed 1991·Granted Jan 11, 1994·39 cites·11 claims
- 0979US4619515AElectrostatic printing apparatus and methodDELPHAX SYSTEMS·Filed 1985·Granted Oct 28, 1986·22 cites·10 claims
- 1077US5012291APowder transport, fusing and imaging apparatusDELPHAX SYSTEMS·Filed 1989·Granted Apr 30, 1991·22 cites·40 claims
- 1175US4891656APrint cartridge with non-divergent electrostatic fieldDELPHAX SYSTEMS·Filed 1988·Granted Jan 2, 1990·22 cites·18 claims
- 1274US5003327APrinter autocontrast controlDELPHAX SYSTEMS·Filed 1989·Granted Mar 26, 1991·19 cites·7 claims
- 1374US4734722AIon generator structureDELPHAX SYSTEMS·Filed 1985·Granted Mar 29, 1988·23 cites·9 claims
- 1472US5166709AElectron DC printerDELPHAX SYSTEMS·Filed 1991·Granted Nov 24, 1992·19 cites·8 claims
- 1568US4841313ARF driver and controlDELPHAX SYSTEMS·Filed 1987·Granted Jun 20, 1989·22 cites·21 claims
- 1668US4516847AElectrostatic printing apparatus and methodDELPHAX SYSTEMS·Filed 1982·Granted May 14, 1985·13 cites·6 claims
- 1766US4779105APrinter interfaceDELPHAX SYSTEMS·Filed 1987·Granted Oct 18, 1988·30 cites·2 claims
- 1864US5113223APrinter flash fusing systemDELPHAX SYSTEMS·Filed 1990·Granted May 12, 1992·17 cites·28 claims
- 1963US4692017AToner transfer apparatusDELPHAX SYSTEMS·Filed 1985·Granted Sep 8, 1987·14 cites·10 claims
- 2063US4494129AElectrostatic printing apparatusDELPHAX SYSTEMS·Filed 1982·Granted Jan 15, 1985·21 cites·7 claims
- 2162US4842262ADocument inverterDELPHAX SYSTEMS·Filed 1984·Granted Jun 27, 1989·13 cites·19 claims
- 2261US5390011ACompact imaging roll printerDELPHAX SYSTEMS·Filed 1993·Granted Feb 14, 1995·13 cites·19 claims
- 2361US5006869ACharged particle printerDELPHAX SYSTEMS·Filed 1989·Granted Apr 9, 1991·13 cites·11 claims
- 2461US4879571ADuplex printing deviceDELPHAX SYSTEMS·Filed 1987·Granted Nov 7, 1989·19 cites·5 claims
- 2559US5763131ALiquid toner and imaging systemDELPHAX SYSTEMS·Filed 1996·Granted Jun 9, 1998·14 cites·22 claims
- 2656US4958172ACharge transfer imaging cartridgeDELPHAX SYSTEMS·Filed 1989·Granted Sep 18, 1990·11 cites·6 claims
- 2756US4745421AIonic print cartridge and printerDELPHAX SYSTEMS·Filed 1987·Granted May 17, 1988·10 cites·3 claims
- 2852US4999653AVenetian blindingDELPHAX SYSTEMS·Filed 1989·Granted Mar 12, 1991·11 cites·9 claims
- 2951US5030975ACharge transfer imaging cartridgeDELPHAX SYSTEMS·Filed 1989·Granted Jul 9, 1991·9 cites·8 claims
- 3051US4890123APrint cartridgeDELPHAX SYSTEMS·Filed 1988·Granted Dec 26, 1989·9 cites·15 claims
- 3150US5414498ALiquid/dry toner imaging systemDELPHAX SYSTEMS·Filed 1993·Granted May 9, 1995·8 cites·18 claims
- 3249US4879569AMultiple source charged particle generationDELPHAX SYSTEMS·Filed 1988·Granted Nov 7, 1989·7 cites·13 claims
- 3348US4476387ACorona charging apparatusDELPHAX SYSTEMS·Filed 1983·Granted Oct 9, 1984·9 cites·22 claims
- 3448US4446371ACorona charging apparatusDELPHAX SYSTEMS·Filed 1982·Granted May 1, 1984·10 cites·17 claims
- 3545US5239318AFinger driver and printerDELPHAX SYSTEMS·Filed 1991·Granted Aug 24, 1993·15 cites·13 claims
- 3645US4990942APrinter RF line controlDELPHAX SYSTEMS·Filed 1990·Granted Feb 5, 1991·9 cites·6 claims
- 3744US5177503APrint system and dielectric imaging memberDELPHAX SYSTEMS·Filed 1991·Granted Jan 5, 1993·6 cites·13 claims
- 3843US5886723ACharge deposition print head and method of printingDELPHAX SYSTEMS·Filed 1996·Granted Mar 23, 1999·8 cites·11 claims
- 3943US5159358ADivided screen printerDELPHAX SYSTEMS·Filed 1991·Granted Oct 27, 1992·6 cites·11 claims
- 4041US5450103ACharge imaging system with back electrode dot enhancementDELPHAX SYSTEMS·Filed 1993·Granted Sep 12, 1995·5 cites·16 claims
- 4140US4951070ACharge transfer imaging cartridge mounting and printerDELPHAX SYSTEMS·Filed 1989·Granted Aug 21, 1990·6 cites·10 claims
- 4240US4839671ASelectable density charge deposition printing systemDELPHAX SYSTEMS·Filed 1988·Granted Jun 13, 1989·9 cites·8 claims
- 4338US5955236ALiquid toner and imaging systemDELPHAX SYSTEMS·Filed 1998·Granted Sep 21, 1999·5 cites·28 claims
- 4437US4548490AToner feeder systemDELPHAX SYSTEMS·Filed 1983·Granted Oct 22, 1985·6 cites·5 claims
- 4534US5293205ASide to side sheet inverterDELPHAX SYSTEMS·Filed 1992·Granted Mar 8, 1994·4 cites·12 claims
- 4633US5016190ADevelopment of raster scan images from independent cells of imaged dataDELPHAX SYSTEMS·Filed 1988·Granted May 14, 1991·5 cites·1 claims
- 4730US5142248APlural selectable RF oscillators for supplying capacitive loadsDELPHAX SYSTEMS·Filed 1991·Granted Aug 25, 1992·3 cites·5 claims
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