Learn more

JOHNSON BRONZE CO

Overview
  • Total Patents
    55
About

JOHNSON BRONZE CO has a total of 55 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, materials and metallurgy and mechanical elements are CLEVELAND GRAPHITE BRONZE CO, KAHR BEARING CORP and LAYMAN PRESSED ROD COMPANY INC.

Patent filings in countries

World map showing JOHNSON BRONZE COs patent filings in countries
# Country Total Patents
#1 United States 33
#2 Canada 10
#3 United Kingdom 6
#4 France 4
#5 Switzerland 2

Patent filings per year

Chart showing JOHNSON BRONZE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Louis Sandler 12
#2 Leis Carl H 12
#3 Sandler Louis 4
#4 Klinker Louis G 3
#5 Love Phil P 2
#6 Callan Bernard James 2
#7 Flaherty Patrick J 2
#8 Bronze Company Johnson 2
#9 Klinker Louis Gaylord 2
#10 Mohler James B 2

Latest patents

Publication Filing date Title
US2822222A Bearing with oil recess
US2712166A Method of making bronze backed, cast babbitt lined bearings
US2715259A Steel backed aluminum lined bearings
US2693121A Method of making composite aluminum-lined steel-backed bearing material
US2661254A Journal bearing
US2679438A Bearing having a cross sectional spiral contour
US2283580A Method of surfacing the bearing metal layer of composite bearing stock
GB544066A Improvements in or relating to a method of and apparatus for surfacing coated strip metal
GB538128A Improvements in or relating to bronze bearings and method of making the same
US2283579A Apparatus for planing coated strip
US2196875A Bronze bearing and method of manufacture
US2226263A Method of making steel backed bronze bearings
GB521185A Improvements in bronze bearings and their manufacture
GB521177A Improvements in bronze bearings and their manufacture
GB521051A Improvements in metallic moulding powders and processes for their production
US2200369A Process of making metallic molding powders
US2153397A Machinable sinter bearing
US2117455A Method of manufacturing strip metal bearing stock
US2117454A Method of manufacturing strip metal bearing stock
GB477311A Improvements in or relating to top roller saddles for spinning frames