Learn more

LOFTUS FRED H

Overview
  • Total Patents
    19
About

LOFTUS FRED H has a total of 19 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States. Its main competitors in its focus markets thermal processes, machines and materials and metallurgy are BLOOM FREDERICK S, AMERICAN GAS FURNACE CO and SURFACE COMB COMPANY INC.

Patent filings in countries

World map showing LOFTUS FRED Hs patent filings in countries
# Country Total Patents
#1 United States 19

Patent filings per year

Chart showing LOFTUS FRED Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Loftus Fred H 19
#2 Kurtz Thomas N 1

Latest patents

Publication Filing date Title
US2507260A Air-cooled burner for furnaces
US2420962A Industrial furnace
US2382491A Furnace unloader
US2438812A Furnace and method of operating same
US2317927A Combustion control
US2284330A Valve mechanism for reversing furnaces
US2149610A Regenerator
US2098585A Reversing furnace control
US2136113A Method of cleaning checkerwork
US2109542A Construction and operation of regenerators
US2085811A Method of treating steel ingots and regenerative soaking pit therefor
US2009236A Regenerative furnace
US2028290A Nonreversing open-hearth furnace
US1752494A Checkerwork for furnaces
US1686387A Roof and wall construction for open-hearth furnaces
US1686386A Furnace-roof construction
US1686826A Checkerwork for open-hearth and blast furnaces
US1530184A Basic open-hearth furnace
US1792021A Metallurgical furnace