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ESCHER WYSS LTD

Overview
  • Total Patents
    376
About

ESCHER WYSS LTD has a total of 376 patent applications. Its first patent ever was published in 1948. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets mechanical elements, textiles and paper and machines are ESCHER WYSS SA, ESCHER WYSS AG and KLEINEWEFERS GMBH.

Patent filings in countries

World map showing ESCHER WYSS LTDs patent filings in countries

Patent filings per year

Chart showing ESCHER WYSS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lehmann Rolf 53
#2 Christ Alfred 39
#3 Biondetti Mario 27
#4 Miller Helmut 26
#5 Marchioro Ignazio 16
#6 Stotz Wolf-Gunter 13
#7 Spiewok Leonhard 9
#8 Miller H 7
#9 Baumann Kurt 7
#10 Curtius Friedrich 7

Latest patents

Publication Filing date Title
US4414889A Rolling device
US4413669A Method of heat extraction from an aqueous carrier medium
US4373238A Support element with flexible head portion
CA1162458A Rotor for a hydroelectric machine
US4422318A Roller with a roller surface which is to be heated or cooled
US4304049A Process for thermal treatment, especially drying
US4288703A Large diameter hydroelectric machine
CA1130356A Hydrostatic support member
US4246668A Treatment of a web of material
US4216918A Fiberizer
CA1097597A Centrifuge screen
CA1101616A Method of producing coniferous wood celluloses by the sulphite process on a magnesium basis
US4146476A Peeling centrifuge
US4136546A Pressure roll
US4156958A Releasable fastening
GB1594106A Mill for the pressure treatment of sheet material
CA1055753A Pressure roller
US4114959A Hydrostatic supporting device including bearing shoe
GB1571027A Centrifugal mixer for preparing a mixture of sand and resin
KR810001781B1 Rim-type hydroelectric machine