GRATHNAIL DEV CO LTD has a total of 13 patent applications. Its first patent ever was published in 1982. It filed its patents most often in Australia, Germany and France. Its main competitors in its focus markets civil engineering, measurement and transport are HUNAN HENGZHI ROCK DRILLING TECHNOLOGY CO LTD, SDG LLC and SONDEX PLC.
# | Country | Total Patents | |
---|---|---|---|
#1 | Australia | 2 | |
#2 | Germany | 2 | |
#3 | France | 2 | |
#4 | United Kingdom | 2 | |
#5 | United States | 2 | |
#6 | Canada | 1 | |
#7 | Spain | 1 | |
#8 | Sweden | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Measurement | |
#3 | Transport |
# | Technology | |
---|---|---|
#1 | Mining | |
#2 | Earth drilling | |
#3 | Vehicle tyre repairing | |
#4 | Measuring force, work and fluid pressure |
# | Name | Total Patents |
---|---|---|
#1 | Howard Derik | 7 |
#2 | Le Blanc Smith Guy | 3 |
#3 | Smith Guy Le Blanc | 2 |
#4 | Goedhals Anton Beau | 1 |
#5 | Goedhals Anton B | 1 |
#6 | Howard D | 1 |
#7 | Smith Guy L B | 1 |
#8 | Blanc Smith Guy Le | 1 |
#9 | Le Blanc Smith G | 1 |
#10 | Doedhals Anton Deau | 1 |
Publication | Filing date | Title |
---|---|---|
DE3206079A1 | DEVICE FOR MONITORING PRESSURE OF A VEHICLE TIRE | |
GB2094375A | Mining |