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TAN SAD LTD

Overview
  • Total Patents
    56
About

TAN SAD LTD has a total of 56 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets transport, medical technology and furniture and games are R S A CONCEPT, BUKO LTD and AUSTECH & DESIGN PTY LTD.

Patent filings in countries

World map showing TAN SAD LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 47
#2 Canada 5
#3 United States 4

Patent filings per year

Chart showing TAN SAD LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bickerstaff James Henry 12
#2 Lovell William Ewart 8
#3 Shott Percival 8
#4 Hagger Headley Frederick 3
#5 Headley Frederick Hagger 2
#6 Percival Shott 1
#7 Headley Frederick Haggar 1
#8 Headly Frederick Hagger 1

Latest patents

Publication Filing date Title
GB1176237A Improvements relating to Foot Rests
GB1169518A Improvements relating to Perambulators.
GB1163263A Improvements relating to Wheel Chairs
GB1098136A Improvements relating to perambulators and the like
GB1046089A Improvements relating to perambulators and like wheeled vehicles
GB984025A Improvements relating to brakes for invalid chairs, perambulators and the like
GB954155A Improvements relating to footrests for invalid chairs and the like
GB949121A Improvements relating to perambulators and the like
GB949122A Improvements relating to perambulators and the like
GB840478A An improved collapsible body for a carry cot
GB838795A Improvements relating to handles for perambulators and the like
GB843866A Improvements relating to the wheel spring mounting of perambulators and the like
GB837735A Improvements relating to step ladders
GB820651A Improvements relating to invalid wheeled chairs and the like
GB817228A Improvements relating to perambulators and the like
GB814033A An improved detachable wheel for perambulators and like vehicles
GB771838A Improvements relating to brakes for perambulators
GB766125A Improvements relating to pedal propelled juvenile tricycles
GB754128A Improvements relating to perambulators or the like
GB754129A Improvements relating to perambulators or the like