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WARD DANIEL O

Overview
  • Total Patents
    16
About

WARD DANIEL O has a total of 16 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States and Canada. Its main competitors in its focus markets mechanical elements, civil engineering and machines are LAKHOVSKY GEORGES, WAGNER RAOUL DIAZ and NEUMANN & CO GMBH.

Patent filings in countries

World map showing WARD DANIEL Os patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 4

Patent filings per year

Chart showing WARD DANIEL Os patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements
#2 Civil engineering
#3 Machines

Top inventors

# Name Total Patents
#1 Ward Daniel O 16
#2 Ward Nellie Lee 5

Latest patents

Publication Filing date Title
CA155415A Nut lock
US1101501A Blank for self-locking nuts.
US1087056A Self-locking nut and process of making same.
US1210737A Lock-nut.
US1077023A Self-locking nut.
US1077022A Self-locking nut and process of making the same.
US1041920A Locking-nut.
US846707A Composite brake-shoe.
CA93253A Nut lock
US797647A Composite brake-shoe.
CA77734A Railway tie plate
CA72155A Rail joint
US772545A Sole-plate or rail-chair.
US675578A Railway-rail joint.
US682895A Railway-tie plate.
US653565A Rail-joint.