Patent assignee · CH · COMPANY

Contraves, Inc.

96Patents
0Active
96Granted
39Portfolio score

Filing activity: Nov 23, 1973 → Feb 15, 1994

Most-cited patents

PatentTitleAreaCited byStatus
US4465473A Injection apparatus for the dosed delivery of a liquid Human Necessities 90 Expired
US4975765A Highly integrated circuit and method for the production thereof Electricity 73 Expired
US4453934A Injection syringe for the successive injection of two liquids into the blood vessels of living bodies Human Necessities 69 Expired
US4410020A Sensor syringe Emerging Cross-Sectional Technologies 63 Expired
US4558857A Operating table Human Necessities 60 Expired
US4780719A Method of, and apparatus for, area and air space surveillance Physics 54 Expired
US4567908A Discharge system and method of operating same Emerging Cross-Sectional Technologies 50 Expired
US4112740A Method and apparatus for determining a change of the flow state of flowable substances from its static state to its flowing state or vice verse Physics 47 Expired
US4592602A Modular mounting rack system of vertical-type construction Electricity 46 Expired
US4726932A Dosing and mixing apparatus for fluid media Emerging Cross-Sectional Technologies 42 Expired
US4726220A Method of and apparatus for measuring rheological characteristics of substances Physics 38 Expired
US5518402A Fire fighter trainer having personal tracking and constructive injury determination and methods of training Physics 38 Expired
US4344595A Auxiliary apparatus at a stand for an optical observation device Mechanical Engineering; Lighting; Heating 37 Expired
US4339100A Arrangement at a stand for an optical observation device Mechanical Engineering; Lighting; Heating 31 Expired
US4161690A Method and apparatus for particle analysis Physics 27 Expired
US3982106A System for measuring the longitudinal or angular displacement of a movable component Physics 27 Expired
US4163536A Support device Human Necessities 24 Expired
US4144885A Apparatus for the detachable connection of a piston with a piston plunger Human Necessities 24 Expired
US4998209A Automatic focusing control of a video camera for industrial and military purposes Electricity 23 Expired
US4741607A Supporting device for an optical observation instrument Physics 23 Expired
US4004576A Direct indicator device for determining the cardiac output flow rate according to the thermodilution method Human Necessities 22 Expired
US4967313A Electronic circuit and method of production thereof Emerging Cross-Sectional Technologies 22 Expired
US4465476A Injection syringe for injecting two liquids Human Necessities 21 Expired
US4760397A Target tracking system Physics 21 Expired
US4127201A Collapsible loading ramp or the like Performing Operations; Transporting 19 Expired

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