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LIBBEY GLASS MFG CO

Overview
  • Total Patents
    64
About

LIBBEY GLASS MFG CO has a total of 64 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, France and United Kingdom. Its main competitors in its focus markets machines, machine tools and furniture and games are LIBBEY OWENS SHEET GLASS CO, WINDOW GLASS MACHINE CO and EDWARD DANNER.

Patent filings in countries

World map showing LIBBEY GLASS MFG COs patent filings in countries
# Country Total Patents
#1 United States 41
#2 France 6
#3 United Kingdom 6
#4 Germany 5
#5 Austria 4
#6 Canada 2

Patent filings per year

Chart showing LIBBEY GLASS MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Parker Alvah C 14
#2 August Kadow 10
#3 Schutz Harold R 9
#4 Schrader Ernest C 4
#5 Douglas Nash Arthur 2
#6 Ratner Richard I 1
#7 Edward Danner 1
#8 Ness Willard L Van 1
#9 Kadow August 1
#10 Kehl Robert J 1

Latest patents

Publication Filing date Title
GB469178A A new and improved glass-working apparatus
GB427272A Improvements in method and apparatus for forming hollow glass articles
DE627218C Process and device for the production of hollow glass bodies by the immersion process
US1977091A Footed glassware
US1972717A Method and apparatus for making footed glassware
US2020031A Method of forming glass articles
US2020032A Glass working apparatus
US1952454A Process for glass designing
US2001436A Machine for flaring glass articles
US1996814A Cut-off burner for hollow glass articles
US1986449A Method and apparatus for feeding glass blanks to pressing machines
US1947881A Tumbler fluting machine
US1985800A Banding machine
US2030328A Glass working apparatus
US1937203A Glass coffee making machine
US1987129A Method of and apparatus for gathering glass
US1949435A Optic attachment for glass blowing machines
GB344661A Improvements in or relating to machines for finishing glass articles
DE606763C Device for separating the blow heads from glass objects
DE577890C Device for melting the blow caps of hollow glass objects