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SUPERIOR GRAPHITE COMPANY

Overview
  • Total Patents
    13
About

SUPERIOR GRAPHITE COMPANY has a total of 13 patent applications. Its first patent ever was published in 1981. It filed its patents most often in Australia, Canada and United States. Its main competitors in its focus markets basic materials chemistry, machines and civil engineering are OIL BASE, ENGINEERED DRILLING SOLUTIONS and BOTTOM LINE IND INC.

Patent filings per year

Chart showing SUPERIOR GRAPHITE COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Weintritt Donald J 7
#2 Zaleski Peter L 7
#3 Derwin David J 7
#4 Goldberger William M 5
#5 Reed Allen K 4
#6 Russell George W 3
#7 Russel George W 3
#8 Castro Michael A 1
#9 Zaleksi Peter L 1
#10 Skiles Kenneth 1

Latest patents

Publication Filing date Title
CA2240290A1 Drilling fluid loss prevention and lubrication additive
AU2898789A Metal bearing graphitic carbons
CA1257481A Graphitic carbons containing interstiticeable elements
US4547430A Ultra-microcrystallite silicon carbide product
CA1181716A Low density particulate carbon electrode for reduction of aluminum compound