Patent assignee · FI · COMPANY

Kone Oy

130Patents
0Active
130Granted
42Portfolio score

Filing activity: Jun 27, 1980 → Sep 13, 1999

Most-cited patents

PatentTitleAreaCited byStatus
US5380139A Load handling method and system Performing Operations; Transporting 149 Expired
US5679934A Programmable operating panel for an elevator car Performing Operations; Transporting 62 Expired
US5896948A Reserve power system Electricity 50 Expired
US5429211A Traction sheave elevator Performing Operations; Transporting 49 Expired
US5213966A Quantitative determination of glucose utilizing enzyme cascade system Emerging Cross-Sectional Technologies 45 Expired
US4498479A Electrocardiograph (ECG) electrode testing system Human Necessities 39 Expired
US5469937A Traction sheave elevator with drive machine below Performing Operations; Transporting 35 Expired
US5971109A Arrangement for releasing the brake of an elevator machinery Performing Operations; Transporting 33 Expired
US5098068A Lifting machinery Performing Operations; Transporting 30 Expired
US5490578A Structure for attaching elevator machinery in a building Performing Operations; Transporting 30 Expired
US5794746A Door sill arrangement in an elevator car Performing Operations; Transporting 27 Expired
USD363247S Combined display board and elevator control button panel General 27 Expired
US5899301A Elevator machinery mounted on a guide rail and its installation Performing Operations; Transporting 27 Expired
US5127533A Method of damping the sway of the load of a crane Performing Operations; Transporting 27 Expired
US5787020A Procedure and apparatus for analyzing elevator operation Performing Operations; Transporting 26 Expired
US5186286A Electromagnetic brake Mechanical Engineering; Lighting; Heating 26 Expired
US5616894A Procedure for supplying, storing and displaying elevator control data Physics 24 Expired
US5513724A Compensation and rope elongation arrangement Performing Operations; Transporting 23 Expired
US5435417A Elevator motor placed in the counterweight Performing Operations; Transporting 21 Expired
US5280880A Unitary hoist drum for hoist ropes and an electric cable Performing Operations; Transporting 21 Expired
US5847533A Procedure and apparatus for braking a synchronous motor Electricity 20 Expired
US5554832A Remote controller linkage to an elevator system Performing Operations; Transporting 20 Expired
US5616896A Procedure for controlling an elevator group Performing Operations; Transporting 20 Expired
US5219420A Procedure for the control of a crane Performing Operations; Transporting 20 Expired
US5129777A Load handling method and system Performing Operations; Transporting 20 Expired

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