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ULTRA CARBON CORP

Overview
  • Total Patents
    23
About

ULTRA CARBON CORP has a total of 23 patent applications. Its first patent ever was published in 1966. It filed its patents most often in United States, Canada and Japan. Its main competitors in its focus markets surface technology and coating, machines and machine tools are PV SILICON FORSCHUNGS UND PROD, SOLAICX INC and GREEN ENERGY TECHNOLOGY INC.

Patent filings in countries

World map showing ULTRA CARBON CORPs patent filings in countries

Patent filings per year

Chart showing ULTRA CARBON CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wilsey Harvey J 5
#2 Flegel Vernon 3
#3 Anthony Robert J 3
#4 Pijaszek Robert F 3
#5 Kusmierz Marvin A 3
#6 Radtke Alton W 2
#7 Leistner Carl J 2
#8 Sermon George T 1
#9 Robaato Jiei Ansonii 1
#10 J Leistner Carl 1

Latest patents

Publication Filing date Title
US4755658A Segmented heater system
US4703556A Method of making a segmented heater system
US4496828A Susceptor assembly
US4410796A Segmented heater assembly
US4259278A Method of reshaping warped graphite enclosures and the like
US3416895A Method of purifying graphite
CA785696A Nuclear fuel and blanket elements
CA818332A Methods of purifying graphite