Inventor · Clearwater, KS, US

Mark D. Bird

13Patents
5h-index
20Co-inventors
66Inventor score

Filing activity: Nov 18, 1993 → Mar 16, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9488169B2 Torque allocating system for a variable displacement hydraulic system Mechanical Engineering; Lighting; Heating 136 Active
US5482121A Vibratory cable plow assembly Fixed Constructions 20 Expired
US6990807B2 Auxiliary hydraulic drive system Mechanical Engineering; Lighting; Heating 5 Expired
US6850137B2 Superconducting levitation magnet Electricity 5 Expired
US7609139B2 Split Florida-helix magnet Electricity 5 Active
US7427908B1 Magnetic shimming configuration with optimized turn geometry and electrical circuitry Physics 4 Active
US7825760B2 Conical magnet Electricity 3 Active
US8051651B2 Hydraulic flow control system Mechanical Engineering; Lighting; Heating 3 Active
US10984934B2 Fast inductive heaters for active quench protection of superconducting coil Electricity 1 Active
US6876288B2 Transverse field bitter-type magnet Electricity 1 Expired
US12347612B2 Symmetric quench protection of resistive insulation coils Electricity 0 Active
US8813482B2 Alarm system for towable hydraulic machines Mechanical Engineering; Lighting; Heating 0 Active
US6720552B2 Repeating pulsed magnet Electricity 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.