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GREENHUT JOSEPH

Overview
  • Total Patents
    12
About

GREENHUT JOSEPH has a total of 12 patent applications. Its first patent ever was published in 1969. It filed its patents most often in Canada and United States. Its main competitors in its focus markets electrical machinery and energy are VNI PK I T I VZRYVOZASCHI, MAGGI ERNESTO and EMATECH INC.

Patent filings in countries

World map showing GREENHUT JOSEPHs patent filings in countries
# Country Total Patents
#1 Canada 8
#2 United States 4

Patent filings per year

Chart showing GREENHUT JOSEPHs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Greenhut Joseph 12

Latest patents

Publication Filing date Title
US4058695A Calibrated electrical motor switch
CA1048621A Rotary centrifugally-operated electrical switch for motors
CA1027619A Stationary starting winding switch for electrical motors
US3950626A Rotary centrifugally-operated electrical switch for motors
US3922514A Stationary starting winding switch for electrical motors
CA987188A Rotary centrifugal speed-responsive control device
US3553400A Zero-lag electrical switching element for motors
CA801454A Speed responsive safety control
CA494965A Centrifugal speed responsive device with spring support
CA599679A Constant-load spring-loaded stationary starting switch for electric motors
CA765054A Constant-load spring-loaded electrical switch
CA607269A Thermal motor protection switch