DOUBLE DYNASTY CO LTD has a total of 11 patent applications. Its first patent ever was published in 2000. It filed its patents most often in EPO (European Patent Office) and United States. Its main competitors in its focus markets machine tools, machines and chemical engineering are STORM PNEUMTIC TOOL CO LTD, SUN YUNG-YUNG and FUJI AIR TOOL.
# | Country | Total Patents | |
---|---|---|---|
#1 | EPO (European Patent Office) | 6 | |
#2 | United States | 5 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Machines | |
#3 | Chemical engineering | |
#4 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Multi-purpose tools | |
#2 | Grinding or polishing devices | |
#3 | Tools for connecting or disengaging | |
#4 | Cleaning | |
#5 | Brushes | |
#6 | Unspecified technologies | |
#7 | Spraying devices |
# | Name | Total Patents |
---|---|---|
#1 | Wang Wen-Yuan | 10 |
#2 | Wang Frank | 1 |
Publication | Filing date | Title |
---|---|---|
EP2221110A1 | Rotary spray gun | |
US2009197515A1 | Adjustment device for a front guard of a grind wheel | |
EP1946889A1 | A maintenance device for grinding wheel | |
EP1946893A1 | A removing tool for removing a protection strip of a car | |
US2008023263A1 | Intake and exhaust guide device for pneumatic tool | |
US2008030035A1 | Removing tool removing a protection strip of car | |
US2008023209A1 | Intake and exhaust guide device for pneumatic tool | |
US6342002B1 | Structure of a wax-polishing machine |