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PALMER ALPHONSO T

Overview
  • Total Patents
    17
About

PALMER ALPHONSO T has a total of 17 patent applications. Its first patent ever was published in 1903. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering and machines are COOPER FRANCIS W, HOLDEN CHARLES R and WELLS RALPH J.

Patent filings in countries

World map showing PALMER ALPHONSO Ts patent filings in countries
# Country Total Patents
#1 United States 16
#2 Canada 1

Patent filings per year

Chart showing PALMER ALPHONSO Ts patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Machines

Top inventors

# Name Total Patents
#1 Palmer Alphonso T 17

Latest patents

Publication Filing date Title
US1730624A Rail anchor
US1710838A Rail anchor
US1757137A Rail joint
US1668169A Holding device for railroad frogs
US1686028A Rail clamp
US1620683A Rail anticreeper
US1653923A Rail anticreeper
US1543231A Anticreeper
US1524104A Rail anticreeper
US1281823A Rail-joint.
US1221899A Rail-joint.
US1192103A Rail-joint.
US1150618A Rail-joint.
US871140A Rail-joint.
US795365A Rail-joint.
US771389A Rail-splice.
CA196306A Rail joint