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ROBERT HENRY COLLEN

Overview
  • Total Patents
    17
About

ROBERT HENRY COLLEN has a total of 17 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United Kingdom, Germany and Canada. Its main competitors in its focus markets consumer goods and furniture and games are JOHN BROADWOOD & SONS LTD, VIOGA GMBH and BROWN ALEXANDER P.

Patent filings in countries

World map showing ROBERT HENRY COLLENs patent filings in countries
# Country Total Patents
#1 United Kingdom 14
#2 Germany 2
#3 Canada 1

Patent filings per year

Chart showing ROBERT HENRY COLLENs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Consumer goods
#2 Furniture and games

Top inventors

# Name Total Patents
#1 Henry Collen Robert 1

Latest patents

Publication Filing date Title
GB341294A Improvements in pianofortes and like keyboard musical instruments
GB330177A Improvements in pneumatically operated pianofortes
GB327512A Improvements in pneumatically operated motors
GB306709A Improvements in, or relating to, pneumatically operated player mechanism for musicalinstruments
GB267193A Improvements in pianofortes
GB267195A Improvements in pianofortes
GB267194A Improvements in pianofortes
GB273082A Improvements in pianofortes
GB268062A Improvements in pianofortes
GB257785A Improvements in or relating to pianofortes
GB249429A Improvements in or relating to pianofortes
GB237481A Improvements in pianofortes
GB231365A Improvements connected with drawers and analogous objects requiring to be withdrawn, or opened, and returned to place, or closed, by sliding movement
GB232416A Improvements in pianofortes
CA297142A Pneumatically operated player mechanism for musical instruments