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SIMPSON KENNETH M

Overview
  • Total Patents
    20
About

SIMPSON KENNETH M has a total of 20 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States and Canada. Its main competitors in its focus markets materials and metallurgy, basic materials chemistry and engines, pumps and turbines are MAANSHAN HUASHENG METALLURGICAL TECH DEVELOPMENT CO LTD, CONZINC RIOTINTO LTD and AURUBIS AG.

Patent filings in countries

World map showing SIMPSON KENNETH Ms patent filings in countries
# Country Total Patents
#1 United States 18
#2 Canada 2

Patent filings per year

Chart showing SIMPSON KENNETH Ms patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Simpson Kenneth M 20
#2 Sheffer Timothy K 1
#3 Jeffers James Wade 1
#4 French Mike Wayne 1
#5 Breidenbach Hallett D 1
#6 Mcclellan Bradley S 1
#7 List Michael E 1

Latest patents

Publication Filing date Title
US8499624B1 Method to determine performance characteristic of an engine exhaust system
US2009259883A1 Robust synchronization of diagnostic information among powertrain control modules
US2691481A Vacuum pumping apparatus
US2254158A Process of recovering nickel
US2199654A Process of treating iron ore
US2212459A Recovery of nickel from nickel containing iron ores
US2221061A Process of making iron and nickel alloys
US2200563A Method of preparing ores to facilitate extraction of metals
US2078348A Furnace and its method of operation
US1911473A Carbonizing process
US1885381A Process for the production of iron
US1885380A Method of producing ferrochrome and other similar alloys
US1925940A Process and apparatus for makin chrome and similar steels
US1893109A Method of producing ferrochrome
US1826261A Method of refining ferrochrome
US1831512A Apparatus for carbonization of coal
US1661636A Process for treating flue dust
US1800910A Process of carbonizing coal
CA311021A Apparatus for carbonizing coal
CA325259A Metallurgical process