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PENBERTHY HARVEY L

Overview
  • Total Patents
    23
About

PENBERTHY HARVEY L has a total of 23 patent applications. Its first patent ever was published in 1953. It filed its patents most often in United States, Canada and Belgium. Its main competitors in its focus markets machines, electrical machinery and energy and environmental technology are ELEMELT LTD, LIBBEYOWENS SHEET GLASS COMPAN and SORG NIKOLAUS GMBH & CO KG.

Patent filings in countries

World map showing PENBERTHY HARVEY Ls patent filings in countries
# Country Total Patents
#1 United States 16
#2 Canada 6
#3 Belgium 1

Patent filings per year

Chart showing PENBERTHY HARVEY Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Penberthy Harvey L 22
#2 Scarfe Frederick 1

Latest patents

Publication Filing date Title
BE752708A Ac-dc electrode supply for glass furnace - heating
US3326655A Gob temperature control
US3268320A Glass furnace with means to agitate the molten glass
US3294512A Glass furnace
US3233756A Liquid level control device
US3206291A Method of refining glass
US3053517A Apparatus and method of homogenizing glass
US3030736A Method of homogenizing glass
US2832958A Method for manufacturing glass
US3198618A Throatless glass furnace
US2845750A Glass furnace
US2916625A Dosimeter
US2798892A Electrode assembly
US2736759A Electrode assembly for glass furnaces
US2710306A Manufacture of glass
US2749378A Method and apparatus for glass production
US2693498A Electrode assembly for glass furnaces
CA697355A Apparatus and method of homogenizing glass
CA756530A Glass furnace
CA731072A Gob temperature control