DAVY INT OIL & CHEMI has a total of 22 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets materials and metallurgy, chemical engineering and organic fine chemistry are DAVY POWERGAS LTD, KATZEN ASS INT and DAKOTA GASIFICATION CO.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 6 | |
#2 | Canada | 5 | |
#3 | Australia | 2 | |
#4 | United Kingdom | 2 | |
#5 | Japan | 2 | |
#6 | Germany | 1 | |
#7 | EPO (European Patent Office) | 1 | |
#8 | Spain | 1 | |
#9 | African Intellectual Property Organization | 1 | |
#10 | Poland | 1 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Chemical engineering | |
#3 | Organic fine chemistry | |
#4 | Environmental technology | |
#5 | Machines | |
#6 | Civil engineering |
# | Name | Total Patents |
---|---|---|
#1 | Harris Norman | 4 |
#2 | Shevels Thomas F | 3 |
#3 | Rowden George Alan | 3 |
#4 | Young William | 2 |
#5 | Rowden George A | 2 |
#6 | Newrick George M | 2 |
#7 | Hardwick William E | 2 |
#8 | Maikeru Chiyaaruzu Gutsudoman | 1 |
#9 | Davies Graham A | 1 |
#10 | Toomasu Furederitsuku Shieberu | 1 |
Publication | Filing date | Title |
---|---|---|
JPS55162422A | Mutual formation process of methanol and ammonia | |
US4283290A | Purification utilizing liquid membrane with electrostatic coalescence | |
GB2053720A | Distillation tray | |
GB2014669A | Hydrant | |
US4188361A | Recovery of uranium values |