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HAYDEN WILLIAM B

Overview
  • Total Patents
    12
About

HAYDEN WILLIAM B has a total of 12 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, machines and engines, pumps and turbines are DUFFY CHARLES HUGH, PODSZUS LEOPOLD and ROSE JOHN J.

Patent filings in countries

World map showing HAYDEN WILLIAM Bs patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing HAYDEN WILLIAM Bs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hayden William B 12

Latest patents

Publication Filing date Title
US881684A Spark-plug.
US858282A Sparking plug.
US870954A Electrical sparking device for explosive-engines.
US800572A Automatic back-stop for motor-cars.
US799047A Attachment for explosive-engines.
US806664A Sparking device for explosive-engines.
US795698A Fly-wheel for explosive-engines.
US794011A Attachment for explosive-engines.
US794010A Propeller.
US764356A Fly-wheel for explosive-engines.
US772235A Electric igniter for explosive-engines.
US782502A Attachment for explosive-engines.