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COUCHMAN HERBERT ARTHUR

Overview
  • Total Patents
    11
About

COUCHMAN HERBERT ARTHUR has a total of 11 patent applications. Its first patent ever was published in 1896. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets chemical engineering, electrical machinery and energy and semiconductors are SPEEDFAM CLEAN SYSTEM KK, BEOMYONG HEATER CO LTD and SPEEDFAM CLEAN SYSTEM CO LTD.

Patent filings in countries

World map showing COUCHMAN HERBERT ARTHURs patent filings in countries
# Country Total Patents
#1 United Kingdom 8
#2 United States 2
#3 Canada 1

Patent filings per year

Chart showing COUCHMAN HERBERT ARTHURs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Couchman Herbert Arthur 11

Latest patents

Publication Filing date Title
CA177942A Means of cleaning interiors of barrels, jars, etc.
US1191671A Means for cleansing the interior of barrels, jars, and like vessels.
GB191423499A Improved Means for Cleansing the Interior of Barrels, Jars and like Vessels.
GB191510731A Improved Means for Cleansing the Interior of Barrels, Jars and like Vessels.
GB190612354A Improvements in Fire Baskets for Malt Kilns and other similar purposes.
GB190010808A Improvements relating to Electric Arc Lamps.
US672032A Arc-lamp carbon.
GB189815567A Improvements in Appliances for Spraying or Disintegrating Water.
GB189805967A Improvements relating to the Cleansing of Casks, Barrels, and other Receptacles.
GB189805966A Improvements in Cask Washing Machinery.
GB189625477A Improvements in the Rims and Pneumatic Tyres of Wheels for Bicycles, Carriages, and other Vehicles.