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MCKENNA PROCESS COMPANY

Overview
  • Total Patents
    19
About

MCKENNA PROCESS COMPANY has a total of 19 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machine tools, machines and civil engineering are GEORGE LANGFORD, I P C KK and BRAUCHLER CHARLES A.

Patent filings in countries

World map showing MCKENNA PROCESS COMPANYs patent filings in countries
# Country Total Patents
#1 United States 17
#2 Canada 1
#3 United Kingdom 1

Patent filings per year

Chart showing MCKENNA PROCESS COMPANYs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 George Langford 17
#2 Langford George 1

Latest patents

Publication Filing date Title
US1935473A Reforming rail joint bars
US1836033A Rail joint bar
US1836032A Method of reforming worn rail joint bars
US1883982A Rail joint and bar
US1880349A Method of repairing rail joint bars in track
US1935722A Rail joint bar
GB352422A Improvements in a method of and die for reforming worn angle bars
US1808468A Method of making rail joint bars
US1759458A Rail joint and bar
US1842412A Rail joint bar
US1757774A Rail joint and bar
US1804792A Die
US1858401A Means for shearing continuous bars
US1808467A Dies for making bars
US1833026A Method of reforming bars for rail joints
US1808466A Method of reforming bars
US1659775A Splice bar
US1659776A Method of treating worn rail joints
CA330762A Rail joint bar