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DON HEYER

Overview
  • Total Patents
    27
About

DON HEYER has a total of 27 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets mechanical elements, machines and machine tools are ROCKFORD DRILLING MACHINE COMPANY, KERK MOTION PROD and TRANSMISSION & GEAR COMPANY.

Patent filings in countries

World map showing DON HEYERs patent filings in countries
# Country Total Patents
#1 United States 26
#2 United Kingdom 1

Patent filings per year

Chart showing DON HEYERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Don Heyer 26

Latest patents

Publication Filing date Title
US3287988A Variable speed pulley-belt drive
US3200941A Article feeding apparatus
US3212381A Device for forming lines of weakness in sheet packaging material
US3133670A Control system for article feeding apparatus
US3003318A Fluid coupled transmission mechanism
US2927470A Variable speed drive mechanism
US2927409A Method of and apparatus for forming sealed packages
US2901928A Power operated feed device
US2901916A Clutch controlled drive mechanism for machine tools
US2624319A Power feed apparatus
GB591355A Variable speed drives
US2543967A Variable-speed drive
US2422196A Unitary variable ratio mechanism
US2413763A Geared pulley
US2395625A Variable-speed drive
US2373474A Chamfering tool
US2442564A Device for camera or projector lenses for producing reversed images
US2398639A Automatic film exhibitor
US2327108A Film holder
US2332717A Continuous film exhibitor