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HEDGELAND FREDERICK W

Overview
  • Total Patents
    13
About

HEDGELAND FREDERICK W has a total of 13 patent applications. Its first patent ever was published in 1898. It filed its patents most often in United States. Its main competitors in its focus markets machines, mechanical elements and consumer goods are ISHIKAWA SHOICHI, MORISON GEORGE SMITH and OBRABIAREK PRECYZYJ PONAR.

Patent filings in countries

World map showing HEDGELAND FREDERICK Ws patent filings in countries
# Country Total Patents
#1 United States 13

Patent filings per year

Chart showing HEDGELAND FREDERICK Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hedgeland Frederick W 13

Latest patents

Publication Filing date Title
US906017A Differential clutch mechanism for automobiles.
US906016A Differential clutch mechanism for automobiles.
US849474A Differential clutch mechanism for automobiles.
US809565A Self-playing mechanism for instruments.
US781825A Automobile.
US756853A Guard for the striking devices of piano-players.
US728462A Governor for wind-motors.
US669729A Mounting for piano-keys.
US644911A Artificial-bait.
US644768A Acetylene-gas-generating lamp.
US643897A Lamp attachment.
US642906A Bicycle-lamp support.
US629361A Mechanism for driving music-sheets of self-playing instruments.