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VALKENBURG BURT R VAN

Overview
  • Total Patents
    12
About

VALKENBURG BURT R VAN has a total of 12 patent applications. Its first patent ever was published in 1911. It filed its patents most often in United States. Its main competitors in its focus markets consumer goods and furniture and games are ROWLEY JOSEPH, FRANKFURTER MUSIKWERKE FABRIK and BULL FRANK WESLEY.

Patent filings in countries

World map showing VALKENBURG BURT R VANs patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing VALKENBURG BURT R VANs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Consumer goods
#2 Furniture and games

Top inventors

# Name Total Patents
#1 Valkenburg Burt R Van 12

Latest patents

Publication Filing date Title
US1328796A Valve-chest
US1350395A Primary valve for pneumatic musical instruments
US1259321A Web-guiding device.
US1276595A Note-accenting device.
US1126137A Crescendo device.
US1085308A Tremolo mechanism.
US1109268A Orchestrion.
US1053936A Control-valve.
US1054806A Piano-player-operating mechanism.
US1074563A Piano-playing mechanism.
US1059507A Hammer-action for player musical instruments.
US1077206A Piano-playing mechanism.