Assignee
DATAPRODUCTS CORP
US130 patents
Top patents by PatentIndex Score
US5041161AAug 20, 1991
Semi-solid ink jet and method of using same
DATAPRODUCTS CORP155 citations99
US5258774ANov 2, 1993
Compensation for aerodynamic influences in ink jet apparatuses having ink jet chambers utilizing a plurality of orifices
DATAPRODUCTS CORP512 citations98
US5903716AMay 11, 1999
Virtual printer
DATAPRODUCTS CORP147 citations96
US5343226AAug 30, 1994
Ink jet ink supply apparatus
DATAPRODUCTS CORP105 citations96
US5798774AAug 25, 1998
Gas assisted ink jet apparatus and method
DATAPRODUCTS CORP58 citations95
US5371837ADec 6, 1994
Virtual printer
DATAPRODUCTS CORP126 citations95
USD346821SMay 10, 1994
Stepped diameter recessed solid ink pellet
DATAPRODUCTS CORP77 citations95
USD335683SMay 18, 1993
Smooth edge recessed solid ink pellet
DATAPRODUCTS CORP96 citations95
US4791439ADec 13, 1988
Ink jet apparatus with improved reservoir system for handling hot melt ink
DATAPRODUCTS CORP58 citations95
US4312008AJan 19, 1982
Impulse jet head using etched silicon
DATAPRODUCTS CORP57 citations95
US5021802AJun 4, 1991
Thermally reversible sol-gel phase change ink or bubble jet ink
DATAPRODUCTS CORP112 citations94
US4833486AMay 23, 1989
Ink jet image transfer lithographic
DATAPRODUCTS CORP127 citations94
US4739339AApr 19, 1988
Cartridge and method of using a cartridge for phase change ink in an ink jet apparatus
DATAPRODUCTS CORP80 citations94
US4591774AMay 27, 1986
High performance incremental motion system using a closed loop stepping motor
DATAPRODUCTS CORP59 citations94
US5638497AJun 10, 1997
Virtual printer
DATAPRODUCTS CORP80 citations93
US5202659AApr 13, 1993
Method and apparatus for selective multi-resonant operation of an ink jet controlling dot size
DATAPRODUCTS CORP103 citations93
US4228396AOct 14, 1980
Electronic tachometer and combined brushless motor commutation and tachometer system
DATAPRODUCTS CORP133 citations93
US5592204AJan 7, 1997
Hot melt impulse ink jet ink with dispersed solid pigment in a hot melt vehicle
DATAPRODUCTS CORP27 citations92
US5581283ADec 3, 1996
Ink jet apparatus having a plurality of chambers with multiple orifices
DATAPRODUCTS CORP24 citations92
US5350446ASep 27, 1994
Hot melt impulse ink jet ink with dispersed solid pigment in a hot melt vehicle
DATAPRODUCTS CORP44 citations92
US5182572AJan 26, 1993
Demand ink jet utilizing a phase change ink and method of operating
DATAPRODUCTS CORP30 citations92
US4973980ANov 27, 1990
Acoustic microstreaming in an ink jet apparatus
DATAPRODUCTS CORP50 citations92
US4901093AFeb 13, 1990
Method and apparatus for printing with ink jet chambers utilizing a plurality of orifices
DATAPRODUCTS CORP44 citations92
US4793264ADec 27, 1988
Low corrosion impulse ink jet ink containing anti-oxidant
DATAPRODUCTS CORP43 citations92
US4779099AOct 18, 1988
Clamp for and method of fabricating a multi-layer ink jet apparatus
DATAPRODUCTS CORP38 citations92
US5966148AOct 12, 1999
Apparatus for printing with ink jet chambers utilizing a plurality of orifices
DATAPRODUCTS CORP22 citations91
US5559539ASep 24, 1996
Ink jet recording apparatus having self aligning print head cleaning system and method of operating the print head cleaning system
DATAPRODUCTS CORP29 citations91
US5541624AJul 30, 1996
Impulse ink jet apparatus employing ink in solid state form
DATAPRODUCTS CORP25 citations91
US5239316AAug 24, 1993
Head tend media and system for an ink jet printer
DATAPRODUCTS CORP32 citations91
US4752789AJun 21, 1988
Multi-layer transducer array for an ink jet apparatus
DATAPRODUCTS CORP36 citations91
US5587811ADec 24, 1996
Halftone screen using spot function to rank pixels following one or more design rules
DATAPRODUCTS CORP36 citations90
US4823146AApr 18, 1989
Cartridge and method of using a cartridge for phase change ink in an ink jet apparatus
DATAPRODUCTS CORP53 citations90
US5597856AJan 28, 1997
Hot melt ink for transparency applications
DATAPRODUCTS CORP141 citations89
US5256192AOct 26, 1993
Solvent based fluorescent ink compositions for ink jet printing
DATAPRODUCTS CORP44 citations89
US5181049AJan 19, 1993
Phase change ink replenishment system
DATAPRODUCTS CORP48 citations89
US4992806AFeb 12, 1991
Method of jetting phase change ink
DATAPRODUCTS CORP26 citations89
US4429307AJan 31, 1984
Capacitive transducer with continuous sinusoidal output
DATAPRODUCTS CORP45 citations89
US6033061AMar 7, 2000
Ink supply for impulse ink jet system, said ink supply including a cap having a threaded perphery, a valve supported by said cap and a projection for extending from the cap into an ink reservoir
DATAPRODUCTS CORP22 citations88
US5235350AAug 10, 1993
Pigmented semiconductive hot melt ink and ink jet apparatus employing same
DATAPRODUCTS CORP24 citations88
US4896166AJan 23, 1990
Replaceable thermal print head assembly
DATAPRODUCTS CORP29 citations88
US4758276AJul 19, 1988
Stearic acid-containing ink jet inks
DATAPRODUCTS CORP42 citations88
US5898823AApr 27, 1999
Network printer auto-detection method and system
DATAPRODUCTS CORP82 citations86
US5864652AJan 26, 1999
Image storage and retrieval for a printer
DATAPRODUCTS CORP43 citations86
US5485183AJan 16, 1996
Interlaced dot-on-dot printing
DATAPRODUCTS CORP27 citations86
US5329293AJul 12, 1994
Methods and apparatus for preventing clogging in ink jet printers
DATAPRODUCTS CORP94 citations86
US5197812AMar 30, 1993
High accuracy vacuum belt and pinch roller media transport mechanism
DATAPRODUCTS CORP35 citations86
US4282583AAug 4, 1981
Microprogrammable processor control printer system
DATAPRODUCTS CORP38 citations86
US4179732ADec 18, 1979
Microprogrammable processor control printer system
DATAPRODUCTS CORP35 citations86
US5779779AJul 14, 1998
UV-blocking hot melt inks
DATAPRODUCTS CORP35 citations85
US5142296AAug 25, 1992
Ink jet nozzle crosstalk suppression
DATAPRODUCTS CORP36 citations85
Showing the top 50 of 130 patents by PatentIndex Score.