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CENTRAL OHIO STEEL PRODUCTS CO

Overview
  • Total Patents
    14
About

CENTRAL OHIO STEEL PRODUCTS CO has a total of 14 patent applications. Its first patent ever was published in 1925. It filed its patents most often in Canada and United States. Its main competitors in its focus markets transport, machines and mechanical elements are WORTH CO, SOERENSEN HYDRAULIK ULFBORG and EVANS AUTO LOADING CO INC.

Patent filings in countries

World map showing CENTRAL OHIO STEEL PRODUCTS COs patent filings in countries
# Country Total Patents
#1 Canada 7
#2 United States 7

Patent filings per year

Chart showing CENTRAL OHIO STEEL PRODUCTS COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fred Biszantz 6
#2 Biszantz Fred 5
#3 Wagstaff Edwin M 2
#4 Ernest Eisenhut 1

Latest patents

Publication Filing date Title
US1953549A Unlocking means for burial vaults
US1893125A Reversible pump for hydraulic hoists
US1760808A Lifting mechanism for dump bodies
US1893124A Invertible manifold and valve for hydraulic hoists
US1693543A Dumping body
US1682882A Dumping body
US1705968A Automatic dumping truck
CA315892A Lifting mechanism for dump bodies
CA451335A Lift hoist for dump trucks
CA439864A Combination transmission and pump unit
CA289032A Dumping body
CA319651A Invertible manifold and valve for hydraulic hoists
CA319650A Truck hoist pump
CA289031A Dumping body