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ASPRO INC

Overview
  • Total Patents
    138
About

ASPRO INC has a total of 138 patent applications. Its first patent ever was published in 1967. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets transport, machines and mechanical elements are WABCO WESTINGHOUSE FAHRZEUG, MIDLAND BRAKE INC and NATHANIEL LOMBARD.

Patent filings in countries

World map showing ASPRO INCs patent filings in countries

Patent filings per year

Chart showing ASPRO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kraft Derald H 18
#2 St John Richard C 13
#3 Sproul Nolte V 11
#4 Adahan Carmeli 5
#5 Schumacher Gary B 4
#6 Killian Robert J 4
#7 Bokovoy Ronald D 4
#8 Eddy William C 4
#9 Eddy William C Jr 3
#10 Dissett Walter L 2

Latest patents

Publication Filing date Title
CA1073946A Brake pressure modulator and system
US4254541A Method of making clutch housing and pulley assembly
US4282962A Pivotal mounting assembly
US4226320A Centrifugal clutch construction
CA1090845A Speed-responsive tag axle control system
DE2758956A1 DEVICE FOR CONTROLLING THE DRAWING FORCE OF A MOTOR VEHICLE
US4156547A Speed-responsive anti-skid and anti-spin system for vehicles
CA1072369A Sintered pulley hub construction and method of making same
CA1051278A Method of making v-grooved sheet metal pulleys
CA1065169A Spun v-grooved sheet metal pulley
CA1050907A Centrifugal clutch construction
US4066300A Digital traction control system
US4056291A Clutch housing and bearing assembly and method of making the same
CA1045468A Method of making spun v-grooved sheet metal pulleys
CA1064238A Method and apparatus for making hubless v-grooved pulley
GB1557714A Traction control system in a motor vehicle
US4041746A Method of making V-grooved sheet metal pulleys
US4046214A Brake pressure modulator and system
US4062433A Quick release centrifugal clutch construction
US4059023A One-piece sintered pulley hub construction