Dataproducts Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 1785
 
  
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 686
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 4194
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 258
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1101
 
  
 
F02M SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF 182
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6179408 Apparatus for printing with ink jet chambers utilizing a plurality of orificesApr 06, 99Jan 30, 01[B41J]
6109744 Asymmetric restrictor for ink jet printheadAug 01, 97Aug 29, 00[B41J]
6099631 Ink development processes for the preparation of pigmented solid inksFeb 19, 98Aug 08, 00[C09D]
6033061 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 reservoirApr 11, 97Mar 07, 00[B41J]
5966148 Apparatus for printing with ink jet chambers utilizing a plurality of orificesFeb 09, 98Oct 12, 99[B41J]
5903716 Virtual printerJun 05, 97May 11, 99[G06K]
5898823 Network printer auto-detection method and systemMay 08, 97Apr 27, 99[G06F]
5801732 Piezo impulse ink jet pulse delay to reduce mechanical and fluidic cross-talkNov 02, 95Sep 01, 98[B41J]
5779779 UV-blocking hot melt inksSep 27, 96Jul 14, 98[C09D]
5767873 Apparatus for printing with ink chambers utilizing a plurality of orificesSep 20, 95Jun 16, 98[B41J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6234617 Ink supply for impulse ink jet system, said ink supply including a cap having threaded periphery, and a valve supported by the cap, wherein a projection extends from a surface of the cap into an ink reservoirExpiredOct 14, 99May 22, 01[B41J]
6081653 Color imagingExpiredDec 17, 96Jun 27, 00[G06F]
5887990 Virtual font cartridgeExpiredSep 27, 96Mar 30, 99[B41J]
5864652 Image storage and retrieval for a printerExpiredFeb 28, 95Jan 26, 99[G06K]
5797329 Hot melt ink printer and method printingExpiredMay 16, 95Aug 25, 98[B41L]
5798774 Gas assisted ink jet apparatus and methodExpiredFeb 28, 96Aug 25, 98[B41J]
5594532 Cartridge, cartridge cleaning apparatus and method for cleaning a corona wireExpiredMar 15, 95Jan 14, 97[G03G]
5559539 Ink jet recording apparatus having self aligning print head cleaning system and method of operating the print head cleaning systemExpiredOct 12, 93Sep 24, 96[B41J]
5522016 Digitally controlled printingExpiredMay 13, 93May 28, 96[G06K]
D351410 Ribbon cartridgeExpiredJun 25, 92Oct 11, 94[]
D346821 Stepped diameter recessed solid ink pelletExpiredJul 27, 92May 10, 94[]
D341156 Ink jet ink cartridgeExpiredMar 26, 90Nov 09, 93[]
5239312 Interlaced ink jet printingExpiredFeb 02, 90Aug 24, 93[B41J]
D335683 Smooth edge recessed solid ink pelletExpiredJul 27, 92May 18, 93[]
D333836 PrinterExpiredOct 30, 90Mar 09, 93[]
5181049 Phase change ink replenishment systemExpiredNov 09, 89Jan 19, 93[B65H, G01D]
5160535 Rapidly drying impulse ink jet ink compositionsExpiredJan 11, 91Nov 03, 92[C09D]
5142296 Ink jet nozzle crosstalk suppressionExpiredNov 09, 90Aug 25, 92[B41J]
5130720 System for driving ink jet transducers and method of operationExpiredNov 09, 90Jul 14, 92[B41J]
D327291 Ink jet cartridgeExpiredApr 26, 91Jun 23, 92[]

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