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ESCHER WYSS MASCHF AG

Overview
  • Total Patents
    1,186
About

ESCHER WYSS MASCHF AG has a total of 1,186 patent applications. Its first patent ever was published in 1909. It filed its patents most often in Switzerland, Germany and United Kingdom. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and thermal processes are ESCHER WYSS & CIE CONST MEC, ESCHER WYSS MASCHF GMBH and MAC KK.

Patent filings in countries

World map showing ESCHER WYSS MASCHF AGs patent filings in countries
# Country Total Patents
#1 Switzerland 713
#2 Germany 165
#3 United Kingdom 155
#4 Austria 70
#5 United States 34
#6 Spain 26
#7 Canada 10
#8 France 10
#9 Finland 2
#10 Belgium 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Maschinenfabriken Aktiengesell 373
#2 Cie Aktiengesellschaft Der Mas 340
#3 Curt Keller 7
#4 Graemiger Benjamin 4
#5 Heinrich Obrist 2
#6 Von Wurstemberger Franz 2
#7 Anton Gagg 2
#8 Guyer Hans 2
#9 Keller Curt 2
#10 Schlumpf Edwin 2

Latest patents

Publication Filing date Title
ES225824A1 Developments in devices for the generation of a relative axial displacement between the pushing body and the drum of a centrifuge pushing machine (Machine-translation by Google Translate, not legally binding)
ES221590A1 Improvements in pressurized centrifugal dryers, to avoid draining of solid matter when removing this from dry centrifugal drying (Machine-translation by Google Translate, not legally binding)
ES218257A1 Centrifuge dryer with sliding transportation equipped of, at least, two centrifugal drums disposed of coaxil (Machine-translation by Google Translate, not legally binding)
GB650693A Means for packing the pivots of the blades of propellers, hydraulic turbine and pump rotor wheels
GB627783A Plant for delivering combustible gas by a compressor
GB611959A Arrangement for steam turbines with at least two labyrinth packings adapted to resist different high pressures
US2485447A Sealing arrangement for the shafts of turbomachines of thermal power plants in which the greater part of a gaseous medium continuously describes a closed cycle under pressure above atmospheric
GB609986A Evaporator for refrigerating machines
US2441838A Control means for variable-pitch propellers
GB607248A Means for adjusting the blades of propellers, rotary machines, particularly axial flow water turbines and pumps and axial flow compressors, and the like
US2463782A Method and apparatus for drying solid articles by heating and cooling
GB604029A Improvements in or relating to thermal power plants
GB604028A Improvements in or relating to thermal power plants
US2453938A Turbine thermal power plant using hot air as motivating fluid
GB596035A Improvements in or relating to means for hydraulically controlled variable pitch propellers, particularly those for the propulsion of ships
US2523053A Hydraulically controlled variable pitch propeller
GB590969A Improvements in or relating to push-type centrifugal separators
GB581158A Improvements in or relating to variable-pitch propellers
GB594902A Improvements in or relating to machines for milling or grinding any desired kind of curved surfaces
GB589706A Improvements relating to shaft glands for steam and gas turbines working at high temperatures