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COFFIN HOWARD E

Overview
  • Total Patents
    18
About

COFFIN HOWARD E has a total of 18 patent applications. Its first patent ever was published in 1907. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, engines, pumps and turbines and mechanical elements are MARSHALL JAMES THOMPSON, RICH GEORGE R and CINETIC AUTOMATION CORP.

Patent filings in countries

World map showing COFFIN HOWARD Es patent filings in countries
# Country Total Patents
#1 United States 16
#2 Canada 2

Patent filings per year

Chart showing COFFIN HOWARD Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Coffin Howard E 18

Latest patents

Publication Filing date Title
US1126706A Rotary valve for explosion-engines.
US1147785A Filler for tanks.
US1161028A Combined luggage and tire carrier for vehicles.
US1039098A Tank for motor-vehicles.
US1153675A Explosion-engine.
US1153676A Explosion-engine.
US1060820A Starting device for explosion-engines.
US1060819A Explosion-engine.
US1032466A Engine-valve construction.
US1071549A Overhead storage for manufacturing establishments.
CA119159A Sediment cup, strainer and drain plug
CA120592A Shield for autmobiles
US920916A Control mechanism.
US1001619A Vehicle assembly-stand.
US969748A Radius-rod.
US890964A Lever-locking means.
US917926A Dust pan or shield for automobiles.
US890963A Running-board for automobiles.