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RICHARDSON SIDNEY

Overview
  • Total Patents
    11
About

RICHARDSON SIDNEY has a total of 11 patent applications. Its first patent ever was published in 1893. It filed its patents most often in United Kingdom and Canada. Its main competitors in its focus markets optics, medical technology and materials and metallurgy are OMG CO LTD, RGS90 and SHANGHAI OPTICAL PREC ING MACH.

Patent filings in countries

World map showing RICHARDSON SIDNEYs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 Canada 2

Patent filings per year

Chart showing RICHARDSON SIDNEYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Richardson Sidney 11

Latest patents

Publication Filing date Title
GB191421865A A New Method of and Means for the Propulsion of Projectiles.
GB191128241A Improvements in Manufacturing Mirrors for Optical Purposes.
GB191100643A Improvements in the Application of Electricity to Surgical, Optical and like Instruments.
GB190902663A Improvements in Screws for Attaching Lenses to Rimless Eyeglass and Spectacle Mountings.
GB190819165A Improvements in Instruments for Testing and Examining the Eye.
GB189619690A Improvements in Aneroid Barometers.
GB189511274A Improvements in Spray Producers.
GB189424170A Improvements in Self-registering Thermometers.
GB189324122A Improvements in Thermometers and Barometers.
CA602173A Multiple electrical sockets
CA353721A Orthodontia band bracket