Learn more

POWELL MFG CO

Overview
  • Total Patents
    31
About

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.

Patent filings in countries

World map showing POWELL MFG COs patent filings in countries

Patent filings per year

Chart showing POWELL MFG COs patent filings per year from 1900 to 2020

Top inventors

# 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

Latest patents

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