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YELF HENRY HERBERT

Overview
  • Total Patents
    15
About

YELF HENRY HERBERT has a total of 15 patent applications. Its first patent ever was published in 1910. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets textiles and paper, organic fine chemistry and furniture and games are EBS INK JET SYSTEME GMBH, NISHIMURA HIROSHI and IGARASHI TORU.

Patent filings in countries

World map showing YELF HENRY HERBERTs patent filings in countries
# Country Total Patents
#1 United Kingdom 5
#2 United States 5
#3 Canada 4
#4 Austria 1

Patent filings per year

Chart showing YELF HENRY HERBERTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yelf Henry Herbert 15

Latest patents

Publication Filing date Title
CA157717A Silencing device for typewriters
GB191221050A Improvements in Vibration Reducing Pads.
US1079037A Silencing and anticoncussive support for type-writing machines and the like.
US1037399A Locking device for type-writing machines.
CA138602A Holder for erasers
GB191120305A Improvements in Silencing and Anti-concussive Supports for Typewriting Machines and the like.
US1043282A Erasure-dust-collecting instrument.
CA141055A Trypewriter mechanism
CA134502A Eraser
US1018288A Holder for erasers.
GB191022144A Improvements in and relating to Locking-devices for Typewriting Machines.
GB191021947A Improvements relating to Holders for Erasers.
US1012786A Combination device for type-writers.
GB191014994A Eraser and Paper Dust Receiver for Typewriters.