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SFINDEX

Overview
  • Total Patents
    127
About

SFINDEX has a total of 127 patent applications. Its first patent ever was published in 1946. It filed its patents most often in Switzerland, United Kingdom and Canada. Its main competitors in its focus markets chemical engineering, engines, pumps and turbines and environmental technology are KYOWA SEIKO, ONO KAGAKU KIKAI KK and RIBEIRO JOSE PANCRACIO.

Patent filings in countries

World map showing SFINDEXs patent filings in countries
# Country Total Patents
#1 Switzerland 37
#2 United Kingdom 15
#3 Canada 13
#4 Germany 13
#5 France 13
#6 United States 10
#7 Austria 9
#8 Denmark 6
#9 Spain 5
#10 Greece 3
#11 Ireland 2
#12 Belgium 1

Patent filings per year

Chart showing SFINDEXs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sfindex Societe Financiere D E 15
#2 Maas Dipl-Ing Julius 4
#3 Julius Maas Friedrich 4
#4 Maas Friedrich J 4
#5 Willi Groth 2
#6 Maas Friedrich Julius Dipl-Ing 2
#7 Walter Meissner 2
#8 Ulrich Widmer Hans 2
#9 Friedrich Julius Dipl-Ing Maas 2
#10 Johannes Schneider August 2

Latest patents

Publication Filing date Title
GB873565A Gas-ionising apparatus for use in electro static precipitators
GB882803A Improvements in or relating to electrostatic precipitators
DE1097321B Supersonic velocity projectile
GB842147A Improved apparatus for the electrostatic separation of matter
DE1061621B Centrifugal pump
GB792933A Improvements in or relating to full admission impulse hydraulic turbines
DE1210750B Adjusting device for the quantity regulating body of a fully pressurized hydraulic free jet turbine
US2846185A Full admission impulse turbine
ES220739A1 A fully loaded turbine of action (Machine-translation by Google Translate, not legally binding)
ES220738A1 A procedure for the manufacture of machinery organs relatively displacable and mutually penetrated (Machine-translation by Google Translate, not legally binding)
GB777284A Improvements in or relating to the manufacture of interpenetrating machine parts
GB792196A Improvements in and relating to full admission impulse hydraulic turbines
DE1048838B Device for reducing the runaway speed of fully loaded, axially flowed through free jet turbines
DE1037818B Method for producing pairs of bodies with mating surfaces
US2904879A Process for making interpenetrating machine parts adapted for relative displacement
US2972468A Full admission impulse turbine
GB756433A Improvements in or relating to apparatus for the electric charging of foreign particles borne by a stream af gas by ionization of the gas stream
GB722933A Portable protective respirator with electrostatic filter and radioactive ionizer for the separation of solid and/or liquid particles
US2741331A Electrostatic gas precipitation
US2756840A Ionizer for electrostatic precipitations