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UNDERWOOD SIDNEY SMITH

Overview
  • Total Patents
    13
About

UNDERWOOD SIDNEY SMITH has a total of 13 patent applications. Its first patent ever was published in 1904. It filed its patents most often in Canada and United States. Its main competitors in its focus markets transport are BURTON THOMAS L, ATLAS SLACK ADJUSTER COMPANY and HUNTOON CHARLES FRANCIS.

Patent filings in countries

World map showing UNDERWOOD SIDNEY SMITHs patent filings in countries
# Country Total Patents
#1 Canada 7
#2 United States 6

Patent filings per year

Chart showing UNDERWOOD SIDNEY SMITHs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport

Focus technologies

# Technology
#1 Railway brakes
#2 Locomotives

Top inventors

# Name Total Patents
#1 Underwood Sidney Smith 13

Latest patents

Publication Filing date Title
CA142455A Locomotive bell ringer
CA138078A Track sander
US1000055A Track-sander.
CA144713A Car
CA128029A Brake beam hanger
CA128154A Brake beam hanger
US966141A Brake-beam hanger.
US965965A Brake-beam hanger.
US965964A Brake-beam hanger.
US966142A Brake-beam hanger.
CA121523A Brake beam hanger
US942985A Brake-beam hanger.
CA87632A Door for railway cars