Patent assignee · GB · COMPANY

Vickers PLC

36Patents
0Active
36Granted
37Portfolio score

Filing activity: Feb 17, 1982 → Jan 18, 1994

Most-cited patents

PatentTitleAreaCited byStatus
US4767406A Syringe pumps Human Necessities 122 Expired
US4692308A Automatic chemical analysis Emerging Cross-Sectional Technologies 75 Expired
US5306236A Needle electrode for use with hypodermic syringe attachment Human Necessities 72 Expired
US5130227A Radiation sensitive plates Emerging Cross-Sectional Technologies 67 Expired
US5255677A Disposable electrodes for electromyography (EMG) and nerve conduction velocity (NCV) and kit containing same Human Necessities 25 Expired
US4942111A Printing plate precursors Emerging Cross-Sectional Technologies 25 Expired
US5203330A Disposable electrodes for electromyography (EMG) and nerve conduction velocity (NCV) and kit containing same Human Necessities 24 Expired
US4567131A Lithographic printing plates Physics 24 Expired
US4687728A Radiation sensitive compositions Physics 21 Expired
US4688908A Microscope stage Physics 19 Expired
US4524875A Derrick crane Mechanical Engineering; Lighting; Heating 16 Expired
US5054392A Lithographic printing press having an ink duct with a divided chamber Performing Operations; Transporting 16 Expired
US5141841A Radiation sensitive compound Emerging Cross-Sectional Technologies 14 Expired
US4725884A Optical metrology Physics 13 Expired
US4577948A Method and apparatus for controlling the processing of radiation sensitive plates with a liquid by monitoring the electrical conductivity of the liquid Physics 12 Expired
US4530384A Device for use in a bottle filling head Performing Operations; Transporting 12 Expired
US4946960A Perester compounds Chemistry; Metallurgy 11 Expired
US5170788A Needle electrode and method of assembly thereof Emerging Cross-Sectional Technologies 10 Expired
US5031529A Inking system for lithographic printing Performing Operations; Transporting 9 Expired
US5299871A Bearing housing assembly Emerging Cross-Sectional Technologies 8 Expired
US4999271A Printing plate precursors Physics 7 Expired
US5044274A Ink conditioning device for removing excess water from emulsions of ink and water during lithographic printing Performing Operations; Transporting 6 Expired
US4565757A Photoconductive compositions sensitive to both laser light and tungsten halide light Physics 5 Expired
US4902601A Radiation sensitive polymeric diazonium salt and methods of making the polymeric diazonium salt Physics 5 Expired
US5254431A Radiation-sensitive polymers having sulfonyl urthane side chains and azide containing side chains in a mixture with diazo compounds containing Emerging Cross-Sectional Technologies 5 Expired

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