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COALTEK CORP

Overview
  • Total Patents
    15
About

COALTEK CORP has a total of 15 patent applications. Its first patent ever was published in 1968. It filed its patents most often in Mexico, Austria and Canada. Its main competitors in its focus markets basic materials chemistry, chemical engineering and machines are HUNAN DATANG XIANYI TECHNOLOGY CO LTD, KOPPELMAN EDWARD and INTERNAT COAL PRODUCTS CORP.

Patent filings per year

Chart showing COALTEK CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Weinberg Jerry L 6
#2 Wang Ru T 6
#3 Ginther Neil E 6
#4 Aten Jed A 6
#5 Davis Rufus Furman Jr 2
#6 Davis Rufus F Jr 1
#7 Johnston Robert T 1
#8 Auvil Harvey S 1
#9 Davis R F Jr 1
#10 Auvil Harvey Stuart 1

Latest patents

Publication Filing date Title
CN101522867A Methods and systems for enhancing solid fuel properties
MXPA06006664A A pre-burning, dry process methodology and systems for enhancing solid fuel properties.
US4270762A Disperser seal and method