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ROPER WILLIAM

Overview
  • Total Patents
    21
About

ROPER WILLIAM has a total of 21 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets civil engineering, machines and transport are NEFAB PLYWOODEMBALLAGE AB, REYNARD KENNETH and ZELLER PLASTIK KOEHN GRAEBNER.

Patent filings in countries

World map showing ROPER WILLIAMs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 7
#3 United Kingdom 5
#4 France 1

Patent filings per year

Chart showing ROPER WILLIAMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Roper William 19
#2 Wurster Amsy Louis 1
#3 Renton Henry N 1
#4 Wurster Amey L 1

Latest patents

Publication Filing date Title
GB119864A Metallic Sashes.
CA181564A Metal sash
GB113309A Improvements in Power Transmission Mechanism.
GB113307A An Improved Device for Operating Window Sashes.
CA176133A Ower transmission mechanism
CA176048A Window sash mechanism
CA176132A Metallic sash joint
US1242242A Metallic sash-joint.
US1213418A Power-transmission mechanism.
US1094933A Vehicle-spring.
US1049001A Vehicle-spring.
GB191209506A Improvements in Metal Casements.
CA136822A Transon support and fastener
CA138579A Metal casement
US1012162A Hinge.
US1000691A Transom support and fastener.
US1012225A Metal casement.
CA120655A Motor speed limiting device
US986503A Apparatus for limiting the speed of motor-cars and other vehicles.
GB190826734A An Apparatus for Limiting the Speed of Motor Cars and other Vehicles.