Willett International Limited

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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 597
 
  
 
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 389
 
  
 
B41M PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING 148
 
  
 
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 159

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7866796 Solenoid valveFeb 11, 03Jan 11, 11[B41J, B05B]
5972085 Printed article and methodMar 28, 97Oct 26, 99[B41M, C09D]
5920333 Replenishment of reservoirsNov 24, 97Jul 06, 99[B41J]
5466287 Ink compositionFeb 07, 95Nov 14, 95[C09D]
5453122 Ink compositionOct 11, 94Sep 26, 95[C09D]
RE34029 Method for applying a hot melt ink to a substrateMar 12, 91Aug 11, 92[B41J, G01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7604333 System and method for providing image forming composition on a substrate using a drop on demand ink printerExpiredMar 25, 04Oct 20, 09[B41J]
7571986 Solenoid valve for a drop on demand ink jet printerExpiredJul 11, 03Aug 11, 09[B41J, F02M]
7410245 Solenoid valveExpiredJun 14, 06Aug 12, 08[B41J]
7331654 Solenoid valveExpiredOct 15, 02Feb 19, 08[B41J]
2006/0253,047 Device for non-invasively detecting or monitoring a medical condition in a mammalAbandonedMar 16, 04Nov 09, 06[A61B]
2006/0153,989 Method for coating printed imagesAbandonedJul 11, 03Jul 13, 06[B05D]
2006/0087,523 Printing device and method using valve controlAbandonedJul 11, 03Apr 27, 06[B41J]
6816794 Apparatus and method for detecting contamination of object by a metalExpiredNov 18, 02Nov 09, 04[G06F]
6036382 Ribbon transport mechanism having driven pivoting carrier beam and method of usingExpiredAug 14, 98Mar 14, 00[B41J]
5931098 Robot mounted printheadExpiredMar 12, 98Aug 03, 99[B41F, B25J]
4928111 Method for operating a valveExpiredApr 03, 89May 22, 90[G01D]
4909879 A Method for the coding of absorbent materialExpiredDec 23, 88Mar 20, 90[B32B]
4905503 Method and device for measuring the viscosity of a fluidExpiredFeb 15, 89Mar 06, 90[G01N]
4856322 Method and device for measuring the viscosity of an inkExpiredJul 27, 88Aug 15, 89[G01N]
4835208 Method for applying a composition to a substrate and a composition for use thereinExpiredJul 01, 87May 30, 89[C03C, C09D, C08L]
4684956 Method for applying a hot melt ink to a substrateExpiredMay 10, 85Aug 04, 87[B41J, C09D, G01D]
D287979 Font of typeExpiredSep 24, 84Jan 27, 87[]
4621268 Fluid application method and apparatusExpiredFeb 05, 85Nov 04, 86[B05B, G01D]
4612076 Label laminating methodExpiredNov 19, 84Sep 16, 86[B32B]
4575735 Droplet depositing viscosity line-pressure sensing control for fluid re-supplyExpiredApr 19, 84Mar 11, 86[G01D, B65D]

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