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ROBERTS HENRY

Overview
  • Total Patents
    34
About

ROBERTS HENRY has a total of 34 patent applications. Its first patent ever was published in 1900. It filed its patents most often in Canada, United States and United Kingdom. Its main competitors in its focus markets machine tools, surface technology and coating and machines are AIRCRAFT SCREW PROD CO, BERGEN CABLE TECH INC and BLACKHAWK MFG COMPANY.

Patent filings in countries

World map showing ROBERTS HENRYs patent filings in countries
# Country Total Patents
#1 Canada 16
#2 United States 10
#3 United Kingdom 8

Patent filings per year

Chart showing ROBERTS HENRYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Roberts Henry 34
#2 Baldry Ebenezer William 1

Latest patents

Publication Filing date Title
GB8821533D0 Anti-chafe bow hook.
GB8820479D0 Mooring device
GB191204392A Improvements in and relating to Apparatus for Developing, Fixing, Washing and Drying Photographic Films.
US977222A Veneer-package machine.
US955907A Fence-machine.
US955904A Veneer barrel or package machine.
US955905A Lining-hoop-nailing horse.
US955906A Hoop-nailing jig.
CA121692A Metal coating apparatus
CA121691A Metal coating apparatus
GB190903603A Apparatus for Coating Wire Fabric, Network and the like.
US917662A Metal-coating apparatus.
GB190718749A A Wedge Safety Catch for Mine Cages and the like.
US893547A Cotton-picker's knee-pad.
GB190617753A Improvements in Implements or Machines for Thinning Turnips and the like.
US839036A Grapnel.
GB190518640A Improved Drip Waste Preventer for Liquids
US753810A Metallic packing.
GB190120809A Improvements in Ball Valves.
US653643A Wire-rod mill.