ZHANG KEWEI has a total of 14 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States, China and United Kingdom. Its main competitors in its focus markets basic materials chemistry, civil engineering and chemical engineering are FLEX CHEM HOLDING COMPANY LLC, FU DIANKUI and QUINTERO LIRIO.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 12 | |
#2 | China | 1 | |
#3 | United Kingdom | 1 |
# | Industry | |
---|---|---|
#1 | Basic materials chemistry | |
#2 | Civil engineering | |
#3 | Chemical engineering | |
#4 | Computer technology | |
#5 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Materials for miscellaneous applications | |
#2 | Earth drilling | |
#3 | Flotation | |
#4 | Data recognition and presentation | |
#5 | Pipe-line systems | |
#6 | Image data processing |
# | Name | Total Patents |
---|---|---|
#1 | Zhang Kewei | 13 |
#2 | Wiggins Chris | 2 |
#3 | Lee Darren K | 1 |
#4 | Cao Shandong | 1 |
#5 | Orlando Antonio | 1 |
#6 | Xiuying Wang | 1 |
#7 | Kewei Zhang | 1 |
#8 | Xuemin Deng | 1 |
#9 | Crooks Elaine Craig Mackay | 1 |
#10 | Ritten Brent | 1 |
Publication | Filing date | Title |
---|---|---|
US2012067584A1 | Hydrocarbon-based fluid compositions and methods of using same | |
US2010197526A1 | Method for making particulate slurries and particulate slurry compositions | |
US2010267593A1 | Control of particulate entrainment by fluids | |
US2008011486A1 | Biodegradable foam compositions for oil field operations | |
CN1088208A | Anti-pollution process for recoverying raw berberine mother liquor salt |