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STEWART RESEARCH

Overview
  • Total Patents
    17
About

STEWART RESEARCH has a total of 17 patent applications. Its first patent ever was published in 1969. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets medical technology, machines and mechanical elements are HEIDBRINK JAY A, MINERVE SA and WATSON DAVID A.

Patent filings in countries

World map showing STEWART RESEARCHs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 3
#3 United Kingdom 3
#4 Germany 2
#5 Japan 1

Patent filings per year

Chart showing STEWART RESEARCHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stewart James M 8
#2 Stewart J 4
#3 Jieemusu Maguranahan Suchiyuwa 1
#4 Stewart James Mcgranahan 1

Latest patents

Publication Filing date Title
GB2048683A Tourniquet for venepuncture
US3889675A Suction-irrigator
GB1444248A Sphygmomanometer
CA987289A Pressure relief valve for a sphygmomanometer
CA1035227A Combination aspirator and fluid delivering surgical instrument
US3763664A Dental handpiece
US3718340A Drill chuck
US3779236A Pressure relief valve for a sphygmomanometer
US3702940A Instrument control system
US3749090A Combination aspirator and fluid delivering surgical instrument
US3676895A Hardware for sliding door
US3702067A Force transmission and apparatus