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GRAY DONALD J

Overview
  • Total Patents
    11
About

GRAY DONALD J has a total of 11 patent applications. Its first patent ever was published in 1991. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets chemical engineering, surface technology and coating and consumer goods are FONTECHA CUETOS EVARISTO, SHENZHEN GCL TECH CO LTD and MEISNER WERNER.

Patent filings per year

Chart showing GRAY DONALD Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gray Donald J 11
#2 Frederick Charlotte 4
#3 Gebhard Peter T E 3
#4 Charlotte Frederick 1

Latest patents

Publication Filing date Title
US2013081300A1 Vacuum cycling drying
US2009120463A1 Aqueous cleaning of liquid residue by etching
US2007204480A1 Intrinsically safe flammable solvent processing method and system
US5240507A Cleaning method and system