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DAVY INT OIL & CHEMI

Overview
  • Total Patents
    22
About

DAVY INT OIL & CHEMI has a total of 22 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets materials and metallurgy, chemical engineering and organic fine chemistry are DAVY POWERGAS LTD, KATZEN ASS INT and DAKOTA GASIFICATION CO.

Patent filings per year

Chart showing DAVY INT OIL & CHEMIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Harris Norman 4
#2 Shevels Thomas F 3
#3 Rowden George Alan 3
#4 Young William 2
#5 Rowden George A 2
#6 Newrick George M 2
#7 Hardwick William E 2
#8 Maikeru Chiyaaruzu Gutsudoman 1
#9 Davies Graham A 1
#10 Toomasu Furederitsuku Shieberu 1

Latest patents

Publication Filing date Title
JPS55162422A Mutual formation process of methanol and ammonia
US4283290A Purification utilizing liquid membrane with electrostatic coalescence
GB2053720A Distillation tray
GB2014669A Hydrant
US4188361A Recovery of uranium values