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FELDSPATHIC RES CORP

Overview
  • Total Patents
    21
About

FELDSPATHIC RES CORP has a total of 21 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United States, Canada and Finland. Its main competitors in its focus markets materials and metallurgy, chemical engineering and basic materials chemistry are CAN ANTIONETTE, EXOLON COMPANY and ZHEJIANG CHANGXING QIANG LI REFRACTORIES CO LTD.

Patent filings in countries

World map showing FELDSPATHIC RES CORPs patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 7
#3 Finland 1

Patent filings per year

Chart showing FELDSPATHIC RES CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Weis Joseph H 9
#2 Donahue William B 3
#3 Peddrick Jr Charles H 3
#4 Burgess Blandford C 2
#5 Kraner Hobart M 2
#6 Peddrick Charles H Jr 2
#7 Rothwell Johnson Fred 1
#8 Frederick Greaves-Walker Arthu 1
#9 Grande Stone Robert Le 1
#10 Smith Norman Gilpin 1

Latest patents

Publication Filing date Title
US2203744A Insecticide
US2260000A Ceramic composition
US2198972A Method of concentrating nonmetallic minerals
US2204582A Wear-resisting ceramic composition
US2155858A Refractory material
US2094440A Process for producing kyanite
US2210254A Mineral composition for use in glass manufacture
US2094439A Ceramic raw material and method of making same
US2047345A Treatment of syenites
US2072067A Method of preparing beryllium alloys
US2024407A Ceramic flux and process of making same
US2062545A Apparatus for magnetic separation
US2075445A Method of forming ceramic bodies
CA392899A Mineral concentration
CA373532A Ceramic composition
CA369923A Syenite processing
CA405645A Ceramic composition
CA369922A Feldspar preparation
CA369921A Feldspar purification
CA411473A Beryllium alloy