Patent assignee · US · COMPANY

Marconi Data Systems Inc.

33Patents
0Active
33Granted
38Portfolio score

Filing activity: Nov 4, 1994 → Mar 12, 2002

Most-cited patents

PatentTitleAreaCited byStatus
US6281797A Method and apparatus for detecting a container proximate to a transportation vessel hold Physics 156 Expired
US6210472A Transparent coating for laser marking Chemistry; Metallurgy 92 Expired
US6744367B1 Identification tag Electricity 57 Expired
US6079823A Ink bottle with puncturable diaphragm closure Performing Operations; Transporting 51 Expired
US6174052A Self-priming system for ink jet printers Performing Operations; Transporting 41 Expired
US6235829A Modification of chargeable pigment particles Chemistry; Metallurgy 40 Expired
US6196668A Ink jet print head modules with common ink supply Performing Operations; Transporting 35 Expired
US6140391A Reactive jet ink composition Emerging Cross-Sectional Technologies 29 Expired
US6133342A Coating composition Performing Operations; Transporting 28 Expired
US6372819B1 Method of marking a substrate Performing Operations; Transporting 26 Expired
US6251175A Jet ink composition Chemistry; Metallurgy 24 Expired
US6187439A Encapsulated magnetic pigments, processes for their preparation and their uses Emerging Cross-Sectional Technologies 20 Expired
US6261348A Laser markable coating Chemistry; Metallurgy 19 Expired
US6747072B1 White ink for marking candy substrates Performing Operations; Transporting 18 Expired
US6390721B1 Multi-mount clamp for a structural member Emerging Cross-Sectional Technologies 18 Expired
US6254216A Clean-in place system for an ink jet printhead Performing Operations; Transporting 17 Expired
US6575556B1 Self-cleaning print head for ink jet printer Performing Operations; Transporting 14 Expired
US6221933A Fast drying jet ink composition Chemistry; Metallurgy 14 Expired
US6312113A Ink circulation system Performing Operations; Transporting 14 Expired
US6172694A Check valve for ink jet printing Performing Operations; Transporting 12 Expired
US6109739A Dot positioning for continuous ink jet printer Physics 10 Expired
US6480062B1 Reflection amplifier circuit Electricity 9 Expired
US6103782A Method of making dry pigment surface modified with polyethylene coating Emerging Cross-Sectional Technologies 9 Expired
US6051060A Method of making pigment with increased hydrophilic properties Emerging Cross-Sectional Technologies 8 Expired
US6083310A Colored inks comprising polymeric colorants for binary array printing and method of using Chemistry; Metallurgy 8 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.