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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 5 | |
#2 | EPO (European Patent Office) | 2 | |
#3 | WIPO (World Intellectual Property Organization) | 2 | |
#4 | China | 1 | |
#5 | Republic of Korea | 1 |
# | Industry | |
---|---|---|
#1 | Chemical engineering | |
#2 | Surface technology and coating | |
#3 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Cleaning | |
#2 | Metallic material cleaning | |
#3 | Separation | |
#4 | Laundering textiles | |
#5 | Drying solid materials by removing liquid |
# | Name | Total Patents |
---|---|---|
#1 | Gray Donald J | 11 |
#2 | Frederick Charlotte | 4 |
#3 | Gebhard Peter T E | 3 |
#4 | Charlotte Frederick | 1 |
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 |