POWELL MFG CO has a total of 31 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United States, Canada and Italy. Its main competitors in its focus markets consumer goods, agriculture and machines are GOUGH STEMMING MACHINE CORP, WURTON MACHINE COMPANY and YONG ZOU.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Canada | 6 | |
#3 | Italy | 3 | |
#4 | Australia | 2 | |
#5 | Brazil | 2 | |
#6 | Spain | 2 | |
#7 | Yugoslavia (Serbia and Montenegro) | 2 | |
#8 | Argentina | 1 | |
#9 | Japan | 1 | |
#10 | Philippines | 1 | |
#11 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Consumer goods | |
#2 | Agriculture | |
#3 | Machines | |
#4 | Thermal processes | |
#5 | Chemical engineering |
# | Technology | |
---|---|---|
#1 | Tobacco | |
#2 | Harvesting | |
#3 | Unspecified technologies | |
#4 | Supplying fuel to combustion device | |
#5 | Drying solid materials by removing liquid | |
#6 | Fluid heaters |
# | Name | Total Patents |
---|---|---|
#1 | Wilson Robert W | 14 |
#2 | Wilson R | 4 |
#3 | Hammond Walter Cecil | 2 |
#4 | Akins E | 2 |
#5 | Akins Eugene T | 2 |
#6 | Wilson R W | 2 |
#7 | Trull Olin C | 2 |
#8 | Hammond Walter C | 1 |
#9 | Robaato Howaitoroo Uiruson | 1 |
#10 | Wilson Robert Whitelaw | 1 |
Publication | Filing date | Title |
---|---|---|
US4476669A | Tobacco combine with selective conveyor raising | |
US4391084A | Tobacco defoliating units with overlapping cutting edges | |
US4424024A | Bulk curing with solid fuel | |
US4430849A | Harvester for tea or the like | |
US4379669A | Tobacco handling apparatus | |
US4318560A | Tobacco supporting tine structure with improved locking means | |
YU9477A | Composite chamber for the fermentation of tobacco in loose condition | |
ZA7607590B | A portable section of a tobacco curing barn | |
US4178745A | Tobacco handling apparatus | |
US3927683A | Bulk curing burley tobacco with a seven day curing cycle | |
CA957514A | Apparatus for removing tobacco leaves from rows of tobacco plants and for handling the removed leaves | |
US3695013A | Apparatus for topping stalk-type plants |