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J & R OLDFIELD LTD

Overview
  • Total Patents
    16
About

J & R OLDFIELD LTD has a total of 16 patent applications. Its first patent ever was published in 1910. It filed its patents most often in United Kingdom and France. Its main competitors in its focus markets electrical machinery and energy, optics and transport are HANECKA MIROSLAV, TAYLOR ALBERT and ANHUI CLT CAR LIGHT TECH CO LTD.

Patent filings in countries

World map showing J & R OLDFIELD LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 15
#2 France 1

Patent filings per year

Chart showing J & R OLDFIELD LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oldfield Robert Alexander 1

Latest patents

Publication Filing date Title
GB369786A Improvements in or relating to lens mountings for lamps
GB364965A Improvements in or relating to clips or supporting members for use in connection with the manipulation and drying of photographic films
GB254835A Improvements in or relating to clips or equivalent devices for use in connection with the manipulation and drying of photographic films
GB175011A Improvements in or relating to supporting brackets suitable for supporting a mirror upon a motor vehicle wind screen, or the frame thereof
GB169774A A new or improved vehicle lamp and lens therefor
GB150456A Improvements relating to oil lamps
GB137563A A lamp or lantern for use in connection with guns, such as machine guns
GB138844A Improvements in lamps
GB113685A Improvements in or relating to Vehicle Lamps.
GB191308729A Improvements in or connected with the Brackets or Carriers of Lamps or Sidelights such as used on Motor Cars and the like.
GB191300843A Improvements in or relating to Lamps for Motors and like Vehicles.
GB191215196A Improvements in or relating to Lenses, Condensers, Reflectors and other such Glass or similar Articles or Bodies used in connection with or in relation to Means of Illumination.
GB191114395A Improvements in or relating to Lamps or Burners such as are adapted to Consume Oil.
GB191114361A Improvements in or relating to Lenses, Condensers, Reflectors and other such Glass or similar Articles or Bodies used in connection with or in relation to Means of Illumination.
GB191004712A Improvements in or relating to Lamps such as used on Automobiles, Carriages, and the like.