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NORTHERN PATENT DEVELOPMENTS L

Overview
  • Total Patents
    21
About

NORTHERN PATENT DEVELOPMENTS L has a total of 21 patent applications. Its first patent ever was published in 1941. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets mechanical elements, transport and medical technology are FALLBROOK TECHNOLOGIES INC, MILLER DONALD C and FALLBROOK INTELLECTUAL PROPERTY CO LLC.

Patent filings in countries

World map showing NORTHERN PATENT DEVELOPMENTS Ls patent filings in countries
# Country Total Patents
#1 United Kingdom 17
#2 United States 2
#3 Canada 1
#4 France 1

Patent filings per year

Chart showing NORTHERN PATENT DEVELOPMENTS Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Willis Bartlett Benson George 2
#2 Benson George Willis Bartlett 1
#3 Bartlett Benson George Willis 1

Latest patents

Publication Filing date Title
GB649235A Improvements in or relating to toothed gear devices comprising an annular floating gear wheel
GB629863A Improvements in propelling mechanism for invalid carriages and the like
GB631628A Improvements in or relating to toothed gear devices
GB606864A Improvements in annular gearing
GB606865A Improvements in and relating to annular gearing
US2462455A Annular floating toothed gearing
US2414134A Floating annular toothed gearing
GB595489A Improvements in or relating to pivots for scissors and the like
GB589004A Improvements in or relating to the propelling mechanism of invalid carriages and thelike
GB570752A Improvements in or relating to floating annular toothed gears
GB572107A Improvements in or relating to floating annular toothed gearing
GB572312A Improvements in annular floating toothed gearing
GB574541A Improvements in means for transmission of power by belt or chain, and incorporating annular floating toothed gearing
GB570444A Improvements in or relating to mudguards for the wheels of cycles, motor-cycles and other vehicles
GB574399A Improvements in means for transmission of power by belt or chain, and incorporating annular floating toothed gearing
GB561330A Improvements in or relating to annular toothed gearing
GB558435A Improvements in or relating to toothed gears
GB556026A Improvements in or relating to pivots for shears, scissors or the like
GB548869A Improvements in annular floating toothed gears
CA441760A Annular floating toothed gearing