Learn more

SCHMIDT BENJAMIN F

Overview
  • Total Patents
    58
About

SCHMIDT BENJAMIN F has a total of 58 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United States and Canada. Its main competitors in its focus markets engines, pumps and turbines, machines and mechanical elements are DAHLTRON CORP, ALLAN WILLIAM S and LANE MOTORS INC.

Patent filings in countries

World map showing SCHMIDT BENJAMIN Fs patent filings in countries
# Country Total Patents
#1 United States 57
#2 Canada 1

Patent filings per year

Chart showing SCHMIDT BENJAMIN Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schmidt Benjamin F 58
#2 Heyl Triphon D 1

Latest patents

Publication Filing date Title
US3188707A Remotely releasable safety belt buckle
US3164102A Oil well pump
US3076416A Multiple production pump
US3106526A Sand and gas deflector for oil well pumps
US3045606A Reciprocal piston oil well pump
US3090324A Sand trapping sucker-rod for piston type oil well pump
US2945450A Double acting mercury piston oil well pump
US2883935A Fluid actuated mercury piston pump
US2814993A Oil well pump
US2814994A Automatic means for maintaining a pump piston immersed in lubricating oil
US2941747A Fishing line reel
US2780037A Machine for producing speed reduction worm gear
US2918744A Fish hook clamping tool
US2665149A Hydraulic drilling lift and packer therefor
US2646000A Diaphragm pump and system
US2657636A Hydraulic pump
US2612108A Projectile
US2606500A Fluid actuated double-acting submersible pump
US2505435A Hoist
US2448629A Knife sharpener