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DONALD STUART KENNEDY

Overview
  • Total Patents
    55
About

DONALD STUART KENNEDY has a total of 55 patent applications. Its first patent ever was published in 1928. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets transport, chemical engineering and packaging and shipping are THOMPSON RONALD H, FRITZ HETZ and RESA RODRIGO BENITO.

Patent filings in countries

World map showing DONALD STUART KENNEDYs patent filings in countries
# Country Total Patents
#1 United Kingdom 48
#2 United States 3
#3 Canada 2
#4 Germany 2

Patent filings per year

Chart showing DONALD STUART KENNEDYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ernest Newman John 2
#2 Newman John Ernest 1
#3 Smith David Joseph 1
#4 Joseph Smith David 1

Latest patents

Publication Filing date Title
US2418089A Grass drying apparatus
GB577766A Improvements in or relating to overall chains for road vehicle wheels
US2381076A Grass drying apparatus
GB572114A Improvements in overall chains or girdles for vehicle wheels
GB572048A Improvements in road vehicle wheel tyres
GB571104A Improvements in non-skid devices for vehicle tyres
GB574030A Improvements in or relating to overall non-skid chains
GB566246A Improvements in non-skid chains for twin-tyred vehicle wheels
GB555250A Improvements in overall chains or girdles for the pneumatic tyres of road vehicle wheels
GB555887A Improvements in apparatus for drying grasses, grain and like materials
GB555660A Improvements in apparatus for drying grain and other discrete materials
US2312055A Compression ignition engine
GB552176A Improvements in grain drying and storing apparatus
GB549726A Improvements in apparatus for drying grain
GB550115A Improvements in apparatus for drying grain
GB550576A Improvements in and relating to overall chains or girdles for road vehicle wheels
GB546352A Improved device for controlling the feed or discharge of pulverulent, granular or semi-fluid materials
GB544202A Improvements in and relating to gas producers
GB539065A Improvements in and relating to overall chains or girdles for the pneumatic tyres ofroad vehicle wheels
GB532624A Improvements in and relating to gas producers