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OTISCA IND LTD

Overview
  • Total Patents
    64
About

OTISCA IND LTD has a total of 64 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets chemical engineering, basic materials chemistry and packaging and shipping are DOMANIALE MIJN MIJ N V, THEODOR EDER DR and JACQUET STEN.

Patent filings per year

Chart showing OTISCA IND LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith Clay D 25
#2 Keller Douglas V Jr 22
#3 Keller Jr Douglas V 11
#4 Burry William M 5
#5 Keller Douglas V 5
#6 Rainis Andrew 5
#7 Keller Jr D V 4
#8 Keller Douglas Vern 3
#9 Keller Jun Douglas V 3
#10 Simmons Frederick J 3

Latest patents

Publication Filing date Title
US4936513A Ball mills
US4770766A Time-controlled processes for agglomerating coal
GB8403021D0 Coal compositions
US4484928A Methods for processing coal
AU8684182A Methods for processing coal
CA1198704A Agglomeration type coal recovery processes
ES8304811A3 Process for separating coal from a composition in which it is associated with mineral matter
US4447245A Methods of cleaning coal
US4461625A Methods of cleaning coal
US4265737A Methods and apparatus for transporting and processing solids
CA1130260A Agglomeration type coal cleaning processes
US4249699A Coal recovery processes utilizing agglomeration and density differential separations
US4252639A Coal beneficiation processes
CA1130231A Coal recovery process
US4248698A Coal recovery process
US4274946A Agglomeration type coal recovery processes
US4244699A Treating and cleaning coal methods
US4224039A Coal briquetting methods
US4186887A Processes for recovering coal
US4178231A Method and apparatus for coal separation using fluorinated hydrocarbons