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CHAS H CHALLEN & SON LTD

Overview
  • Total Patents
    13
About

CHAS H CHALLEN & SON LTD has a total of 13 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United Kingdom, Ireland and Denmark. Its main competitors in its focus markets consumer goods are NORDISKA PIANO AB, MOOR EMANUEL and GEORGE FRANK L.

Patent filings in countries

World map showing CHAS H CHALLEN & SON LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 10
#2 Ireland 2
#3 Denmark 1

Patent filings per year

Chart showing CHAS H CHALLEN & SON LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Consumer goods

Focus technologies

# Technology
#1 Stringed musical instruments

Latest patents

Publication Filing date Title
GB544784A Improvements in or relating to pianofortes
GB538656A Improvements in or relating to upright pianos
GB489951A Improvements in or relating to upright pianofortes
GB454067A Improvements in or relating to upright pianofortes
GB456199A Improvements in or relating to pianofortes
GB468767A Improvements in or relating to pianofortes
GB454069A Improvements in or relating to pianofortes
GB454056A Improvements in or relating to pianofortes
IE13166L Pianofortes
IE13167L Pianofortes
GB419777A Improvements in or relating to pianofortes and like mechanically operated string instruments
GB419778A Improvements in or relating to pianofortes and like mechanically operated string instruments