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HOAK CLARENCE B

Overview
  • Total Patents
    13
About

HOAK CLARENCE B has a total of 13 patent applications. Its first patent ever was published in 1935. It filed its patents most often in United States and Canada. Its main competitors in its focus markets materials and metallurgy are ZHONGSHAN JUCHANG AUTOMATION EQUIPMENT TECHNOLOGY CO LTD, FOSHAN ZHONGYAN AMORPHOUS TECHNOLOGY CO LTD and ANQING QINGHUA JINGGONG MACHINERY CO LTD.

Patent filings in countries

World map showing HOAK CLARENCE Bs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 2

Patent filings per year

Chart showing HOAK CLARENCE Bs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Materials and metallurgy

Focus technologies

# Technology
#1 Metal tempering

Top inventors

# Name Total Patents
#1 Hoak Clarence B 13

Latest patents

Publication Filing date Title
US2432239A Annealing furnace
US2276971A Annealing furnace
US2239523A Annealing furnace
US2255617A Annealing apparatus and method
US2325677A Annealing furnace
US2141108A Normalizing furnace
US2194977A Annealing apparatus
US2219363A Annealing furnace
US2104518A Normalizing furnace
US2196167A Annealing furnace structure
US2040994A Annealing furnace
CA361189A Annealing furnace
CA388293A Normalizing furnace