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IND RES LAB LTD

Overview
  • Total Patents
    18
About

IND RES LAB LTD has a total of 18 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets materials and metallurgy, machines and thermal processes are CHANGSHU HUAYE STEEL STRIP CO, BOEHLER BLECHE GMBH and LUDLUM STEEL COMPANY.

Patent filings in countries

World map showing IND RES LAB LTDs patent filings in countries
# Country Total Patents
#1 United States 14
#2 United Kingdom 2
#3 Germany 1
#4 France 1

Patent filings per year

Chart showing IND RES LAB LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kormann Frederick A 7
#2 Hahn Otto W 6
#3 Hirsch Walter F 5
#4 Bayless Frank B 1

Latest patents

Publication Filing date Title
US2381215A Burner control apparatus
US2312834A Gas pilot burner
US2395868A Gas heating burner
US2207150A Centrifugally cast plunger and tube
US2210404A Heat control apparatus
US2164323A Automatic gas and water regulator
DE668580C Composite body made of preformed iron or steel with a one-sided coating made of an iron-boron alloy
GB462284A Cast iron alloy
GB462285A Improvements in and relating to lined metal cylinders and other lined metal articles
US2046913A Hard ferrous alloy
US2046914A Hard ferrous-lined tube
US2240950A Thermostatic fuel control
US2046912A Hard cast iron alloy
US2025060A Process of making a hard lining metal
US1998627A Apparatus for the metal lining of pipes
US1929642A Process for removing tannin from apple juice
US1912712A Copper-lead alloy process