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MARSHALL ROBERT

Overview
  • Total Patents
    17
About

MARSHALL ROBERT has a total of 17 patent applications. Its first patent ever was published in 1886. It filed its patents most often in United Kingdom, Canada and Spain. Its main competitors in its focus markets electrical machinery and energy, medical technology and environmental technology are AMB, PURA SCENTS INC and QUICLAVE L L C.

Patent filings in countries

World map showing MARSHALL ROBERTs patent filings in countries

Patent filings per year

Chart showing MARSHALL ROBERTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Marshall Robert 14
#2 Hopwood William 1
#3 Norbury Albert 1
#4 Jones Peter Leslie 1
#5 Hackly Church William 1
#6 Richards Edgar Josiah Windsor 1
#7 Driscoll John Lionel 1

Latest patents

Publication Filing date Title
GB9610662D0 An apparatus and method of waste treatment
US4708487A Space saver blender
GB129861A Improvements in and relating to the Control of Aircraft.
US1020834A Railway-crossing.
GB190823981A Improved Means for Calculating or Estimating the Amount of Constituents of the Charges of Smelting Furnaces and the like.
GB190112289A A New or Improved Cable Stopper.
GB190020168A An Improved Gas Reversing-valve for Siemen's Furnaces and the like
GB189827454A Improvements in Winding Apparatus.
GB189615025A An Improvement in Down-draught Furnaces and Producers.
GB189420686A Improvements in Furnaces.
CA28894A Leather crimping machine
CA37358A Wash board
CA27415A Receptacle for ink, etc.