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DAVY POWERGAS INC

Overview
  • Total Patents
    57
About

DAVY POWERGAS INC has a total of 57 patent applications. Its first patent ever was published in 1970. It filed its patents most often in United States, South Africa and Austria. Its main competitors in its focus markets materials and metallurgy, chemical engineering and foods and drinks are SICHUAN TECHAIRS CO LTD, BEIJING JINDA WANXIANG ENV SCIENCE AND TECH CO LTD and BELLINI JACQUES.

Patent filings per year

Chart showing DAVY POWERGAS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Scarlett John 10
#2 Nicholson Norman Eric 5
#3 Nicholson Norman E 5
#4 Flintoff John Frederick 4
#5 Flintoff John F 4
#6 Houghtaling S 4
#7 Scarlett J 3
#8 Nooman Eritsuku Nikoruson 3
#9 Jiyon Sukaaretsuto 3
#10 Houghtaling Samuel V 3

Latest patents

Publication Filing date Title
US4290882A Electrostatic separation of impurities phase from liquid-liquid extraction
US4216189A Sulfur dioxide removal process
US4206187A Process for removing sulfur dioxide from gas
US4207299A Sulphur dioxide removal process
US4233278A Process for purifying crude phosphoric acid
US4200619A Process for purging sodium sulfate from a sulfur dioxide removal system
JPS5285980A Removal of sulfur dioxide
OA5525A Process for the selective grinding of Mediterranean rock rock.
EG12125A A process for selectively grinding mediterranean phosphate rock
ZA7606140B Process for removing sulfur dioxide from a gas stream
IL50562D0 Process for selectively grinding mediterranean phosphate rock
US4122148A Sulfur dioxide removal process
US4044107A Process for the manufacture of wet process phosphoric acid using wet-grinding of the phosphate rock feed
ZA746769B Method of manufacturing wet process phosphoric acid
AU7282874A Food products
ZA7405447B Base composition for preparing food products
CA985562A Base composition for preparing food products
US3971844A Method for removing sodium sulfate from aqueous solutions