Learn more

ERNEST DOUGLAS FIELD

Overview
  • Total Patents
    17
About

ERNEST DOUGLAS FIELD has a total of 17 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United Kingdom and France. Its main competitors in its focus markets transport and furniture and games are GOODBABY GROUP CORP, GIORDANI RAFFAELE and SHAPIRO RICHARD N.

Patent filings in countries

World map showing ERNEST DOUGLAS FIELDs patent filings in countries
# Country Total Patents
#1 United Kingdom 16
#2 France 1

Patent filings per year

Chart showing ERNEST DOUGLAS FIELDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Field Ernest Douglas 1

Latest patents

Publication Filing date Title
GB403759A Improvements relating to settees, lounge chairs, chairs, tables and the like
GB303637A Improvements relating to folding baby carriages, children's cots and the like
GB266530A Improvements in folding baby carriages and the like
GB260078A Improvements in collapsable baby carriages and the like
GB234205A Improvements in and relating to undercarriages for baby carriages, invalid carriages and the like
GB219815A Improvements in and relating to baby carriages, children's perambulators, and chairs, invalid carriages, and the like in full size or miniature
GB216249A Trolley cars for perambulators, invalid carriages and the like
GB208430A Improvements in and relating to baby carriages, children's perambulators and chairs, invalid carriages and the like in full size or miniature
GB183945A Improvements in undercarriages of perambulators, children's mail carts, baby carriages, invalid carriages, rickshaws, and the like in full size or miniature
GB191587A Improvements in and relating to spring suspensions of baby carriages, invalid carriages and the like
GB194012A Improvements in children's scooters, cycles, velocipedes and the like
GB179676A Improvements in baby carriages, mailcarts, perambulators, invalid carriages, spinal carriages and the like
GB176130A Improvements in or relating to invalid carriages and chairs, mail carts, rickshaws, perambulators and the like
GB169326A Improvements in reversible handles for perambulators and other like vehicles
GB152777A Improvements in or relating to folding perambulators, baby carriages, invalid and spinal carriages
GB144007A Improvements in or relating to perambulators, baby carriages' invalid carriages and chairs, mailcarts, rickshaws and the like