Assignee
PRINTRONIX INC
US93 patents
Top patents by PatentIndex Score
US6899476B1May 31, 2005
RFID tag, antenna, and printer system
PRINTRONIX INC167 citations97
US6929412B1Aug 16, 2005
RFID tag, antenna, and printer system
PRINTRONIX INC76 citations96
US6082914AJul 4, 2000
Thermal printer and drive system for controlling print ribbon velocity and tension
PRINTRONIX INC124 citations96
US7037009B2May 2, 2006
RFID tag, antenna, and printer system
PRINTRONIX INC32 citations94
US6840689B2Jan 11, 2005
Thermal printer with improved transport, drive, and remote controls
PRINTRONIX INC56 citations94
US3941051AMar 2, 1976
Printer system
PRINTRONIX INC92 citations94
US7114655B2Oct 3, 2006
EPC data manager
PRINTRONIX INC68 citations93
US4687359AAug 18, 1987
Color printer
PRINTRONIX INC49 citations92
US4359289ANov 16, 1982
Counterbalanced bidirectional shuttle drive having linear motor
PRINTRONIX INC35 citations92
US4177731ADec 11, 1979
Printer system ribbon drive having constant ribbon speed and tension
PRINTRONIX INC50 citations92
US7891892B2Feb 22, 2011
Printer read after print correlation method
PRINTRONIX INC17 citations91
US7261479B2Aug 28, 2007
RFID tag, antenna, and printer system
PRINTRONIX INC19 citations91
US6997627B2Feb 14, 2006
Label printer read after print correlation apparatus
PRINTRONIX INC20 citations91
US4180766ADec 25, 1979
Reciprocating linear drive mechanism
PRINTRONIX INC31 citations91
US7066667B2Jun 27, 2006
RFID tag and printer system
PRINTRONIX INC51 citations90
US6089768AJul 18, 2000
Print ribbon feeder and detection system
PRINTRONIX INC41 citations90
US4507796AMar 26, 1985
Electronic apparatus having low radio frequency interference from system clock signal
PRINTRONIX INC46 citations90
US7114654B2Oct 3, 2006
RFID encoder and verifier
PRINTRONIX INC51 citations89
US6183406B1Feb 6, 2001
Printer tractor paper feeder and ironer
PRINTRONIX INC15 citations89
US6535299B1Mar 18, 2003
Bar code verification and printing system
PRINTRONIX INC83 citations88
US5366303ANov 22, 1994
Printer ribbon motor controller
PRINTRONIX INC47 citations88
US4463300AJul 31, 1984
Linear motor digital servo control
PRINTRONIX INC30 citations87
US5600772AFeb 4, 1997
Bit map character convertor using chain-codes for the character filling process
PRINTRONIX INC23 citations86
US7342499B2Mar 11, 2008
Multi-band RFID encoder
PRINTRONIX INC33 citations85
US4044668AAug 30, 1977
Print hammer mechanism
PRINTRONIX INC51 citations85
US7513431B2Apr 7, 2009
Method and system for aiming an RFID reader
PRINTRONIX INC10 citations82
US7479883B2Jan 20, 2009
RFID verifier
PRINTRONIX INC14 citations82
US7400989B2Jul 15, 2008
RFID verifier system with grade classification
PRINTRONIX INC16 citations82
US7348885B2Mar 25, 2008
Capacitively-coupled RFID encoder
PRINTRONIX INC12 citations82
US7320727B2Jan 22, 2008
Multi-viscosity printer ink
PRINTRONIX INC10 citations82
US4258623AMar 31, 1981
Print hammer mechanism having dual electromagnetic coils and pole pieces
PRINTRONIX INC21 citations81
US4033255AJul 5, 1977
Print hammer actuator for dot matrix printers
PRINTRONIX INC25 citations81
US5354139AOct 11, 1994
Paper feed system having mechanisms engaging opposite edges of print paper above and below print station of printer
PRINTRONIX INC19 citations73
US4932797AJun 12, 1990
Resettable locking platen gap adjustment mechanism
PRINTRONIX INC10 citations73
US4280404AJul 28, 1981
Printer having variable hammer release drive
PRINTRONIX INC15 citations73
US4233894ANov 18, 1980
Print hammer mechanism having dual pole pieces
PRINTRONIX INC16 citations73
US7646498B2Jan 12, 2010
Thermal printer read after print correlation apparatus
PRINTRONIX INC4 citations72
US6361228B1Mar 26, 2002
Thermal printer with improved ribbon transport
PRINTRONIX INC13 citations72
US5361693ANov 8, 1994
Tungsten carbide welded printer tips
PRINTRONIX INC7 citations72
US5344242ASep 6, 1994
Printer hammerbank with low reluctance magnetics
PRINTRONIX INC7 citations72
US4386563AJun 7, 1983
Printing system having staggered hammer release
PRINTRONIX INC13 citations72
US7221278B2May 22, 2007
RFID verifier
PRINTRONIX INC8 citations71
US4415286ANov 15, 1983
Variable print density encoder system
PRINTRONIX INC18 citations71
US4239403ADec 16, 1980
Counterbalanced bidirectional shuttle drive
PRINTRONIX INC15 citations71
US4019619AApr 26, 1977
Paper feed sensing mechanism for printer
PRINTRONIX INC19 citations71
US6896429B2May 24, 2005
Constant density printer system
PRINTRONIX INC8 citations70
US5957827ASep 28, 1999
Printer with a power paper stacker
PRINTRONIX INC11 citations70
US5743665AApr 28, 1998
Printer integrated driver and hammerbank
PRINTRONIX INC9 citations70
US5666880ASep 16, 1997
Integrally driven and balanced line printer
PRINTRONIX INC6 citations70
US4875409AOct 24, 1989
Magnetic print hammer actuator protection circuit
PRINTRONIX INC11 citations70
Showing the top 50 of 93 patents by PatentIndex Score.