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MACBETH EVANS GLASS CO

Overview
  • Total Patents
    67
About

MACBETH EVANS GLASS CO has a total of 67 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets machines, electrical machinery and energy and materials and metallurgy are HISANKABUTSU GLASS KENKYU, QUARZGESELLSCHAFT M B H DEUTSC and RICHARDSON SOLON OSMOND JR.

Patent filings in countries

World map showing MACBETH EVANS GLASS COs patent filings in countries
# Country Total Patents
#1 United States 49
#2 Canada 7
#3 France 4
#4 United Kingdom 4
#5 Germany 3

Patent filings per year

Chart showing MACBETH EVANS GLASS COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schnelbach Harry A 8
#2 Blau Henry H 7
#3 Sloan Theodore H 7
#4 Heupel Herman A 5
#5 Macbeth George A 5
#6 Schnelbach Henry A 3
#7 Macbeth George D 2
#8 Barth Charles D 2
#9 Kell Raymond W 2
#10 Knaell Kenneth K 2

Latest patents

Publication Filing date Title
US2023278A Method of purifying sand
US2031969A Method of purifying glass sand
US1976620A Coffee maker
US1931076A Coffee maker
US1935587A Coffee maker
US1934070A Coffee maker
US1927287A Coffee maker
US1955451A Method of controlling the composition of glass
DE574473C Glass pressing process
GB360318A A new or improved method of pressing glassware
GB353770A Improvements in or relating to the manufacture of glass articles
GB365618A Improvements in or relating to light-source enclosing globe or bulb and method of making same
US1875981A Incandescent electric lamp bulb
DE585253C Process for the production of thin-walled hollow glass bodies
US1812564A Method of pressing glassware
US1812565A Method of free-pressing glassware having irregular edges
US1785535A Method of forming thin-walled glass articles
US1778305A Inclosing globe
US1845525A Glass forming machine
US1689975A Glass-forming machine