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ELCOR CORP

Overview
  • Total Patents
    129
About

ELCOR CORP has a total of 129 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Canada, United States and Australia. Its main competitors in its focus markets chemical engineering, basic materials chemistry and organic fine chemistry are ORTLOFF ENGINEERS LTD, PIERRE JR FRITZ and ORTLOFF CORP.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Hudson Hank M 102
#2 Wilkinson John D 100
#3 Campbell Roy E 57
#4 Cuellar Kyle T 29
#5 Pierce Michael C 24
#6 Rambo C L 9
#7 Campbell Wanda P 5
#8 Lynch Joe T 4
#9 Buck Loren L 3
#10 John D Wilkinson 3

Latest patents

Publication Filing date Title
CN1745286A Hydrocarbon gas processing
WO0214242A1 Hydrocarbon gas processing
US6182469B1 Hydrocarbon gas processing
US5983664A Hydrocarbon gas processing
US5890378A Hydrocarbon gas processing
MX9709507A Hydrocarbon gas processing.
US5881569A Hydrocarbon gas processing
US5799507A Hydrocarbon gas processing
BR9609099A Process and device for separating a gas stream
US5555748A Hydrocarbon gas processing
US5568737A Hydrocarbon gas processing
US5275005A Gas processing
US5114451A Liquefied natural gas processing
EG19305A Hydrocarbon gas processing
US4889545A Hydrocarbon gas processing
US4854955A Hydrocarbon gas processing
US4869740A Hydrocarbon gas processing
CA1249769A Separating hydrocarbon gases