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KELLER REX E

Overview
  • Total Patents
    22
About

KELLER REX E has a total of 22 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States and Canada. Its main competitors in its focus markets mechanical elements, machines and transport are JESSEN ARNOLD H, MURRAY HOWARD J and MONOPOWER CORP.

Patent filings in countries

World map showing KELLER REX Es patent filings in countries
# Country Total Patents
#1 United States 18
#2 Canada 4

Patent filings per year

Chart showing KELLER REX Es patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements
#2 Machines
#3 Transport

Top inventors

# Name Total Patents
#1 Keller Rex E 22

Latest patents

Publication Filing date Title
US2601151A Power transmission mechanism
US2602353A Power transmission mechanism
US2592910A Power transmission mechanism
US2388062A Multiple stage fluid drive transmission
US2286549A Automatic transmission
US2269668A Automatic transmission
US2267334A Automatic lockup for fluid drive clutches
US2170926A Automatic transmission
US2174191A Automatic transmission
US2225174A Automatic transmission
US1985503A Automatic transmission
US2166357A Automatic transmission clutch
US2068142A Automatic transmission
US2003634A Automatic transmission
US1969561A Transmission mechanism
US2158544A Clutch
US1969560A Automotive transmission
US1734491A Transmission
CA332799A Transmission mechanism
CA335724A Clutch