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JOHNSON MATTHEY & MALLORY LTD

Overview
  • Total Patents
    268
About

JOHNSON MATTHEY & MALLORY LTD has a total of 268 patent applications. Its first patent ever was published in 1962. It filed its patents most often in Canada, United States and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, machines and machine tools are MALLORY COMPONENTS LTD, P R MALLORY & COMPANY INC and MERSHON RALPH D.

Patent filings in countries

World map showing JOHNSON MATTHEY & MALLORY LTDs patent filings in countries
# Country Total Patents
#1 Canada 254
#2 United States 12
#3 United Kingdom 2

Patent filings per year

Chart showing JOHNSON MATTHEY & MALLORY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dotto Gianni A 16
#2 Krock Richard H 15
#3 Wiser Joseph E 12
#4 Hirsch James A 11
#5 Simmons Harold T 11
#6 Booe James M 10
#7 Larsen Earl I 10
#8 Zdanuk Edward J 10
#9 Bourgault Pierre L 9
#10 Voland Elmo W 7

Latest patents

Publication Filing date Title
CA1026591A Clutch and gear train utilizing same
CA1070409A Inductive liquid level sensing
CA996376A Timer having two separate cam means and means advancing the cam at different speeds
CA1008141A Combination of closure and terminal means for an electrical component
CA1000772A Rotation control for permanent magnet a.c. motor
CA1000768A Motor-timer sandwich structure
CA956479A Combination speed reduction and escapement means
CA1006566A Coll protector for permanent magnet synchronous motor
CA1026830A Solid state time delay switch
CA961946A Bussing means for conducting electrical current from one electrically conductive member to another
CA938465A Drive means for appliance control means
US3810755A Gold alloy for jewelry
CA932364A Extended cycle timer with momentary switch
CA956487A Directly bonded articles including electrical contacts and methods for making the same
CA971398A Tungsten-nickel-iron-molybdenum alloys
US3720805A Apparatus for the manufacture of composite electrical contacts
CA930211A Piezoelectric transducer and noise making device utilizing same
CA954725A Intermittent motion transmission
US3706013A Ion exchange membrane electrochemical integrator
US3753346A Fluid monitoring unit