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GUJER HANS

Overview
  • Total Patents
    72
About

GUJER HANS has a total of 72 patent applications. Its first patent ever was published in 1960. It filed its patents most often in Switzerland, United States and Austria. Its main competitors in its focus markets environmental technology, basic materials chemistry and machine tools are ASHBROOK SIMON HARTLEY INC, ENTSORGA ITALIA S R L and VOITH MUELLEX GMBH.

Patent filings in countries

World map showing GUJER HANSs patent filings in countries

Patent filings per year

Chart showing GUJER HANSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gujer Hans 31
#2 Hans Gujer 13
#3 Gujer H 9
#4 Koller Karl 6
#5 Karl Koller 3
#6 Koller K 2
#7 Koller E 1

Latest patents

Publication Filing date Title
US4072494A Method and device for the wet composting of organic sludge
DE2253477A1 METHOD AND DEVICE FOR WET COMPOSTING ORGANIC SLURRY
AU2829671A Device forthe concentration, heating or cooling of liquids containing solids, or forthe drying heating or cooling of bulk stock
US3687295A Filter conveyor band for a continuously operating filter press
ZA7003520B Improvements in or relating to turning over bulk material
GB1298581A Belt filter press
CH518116A Filter support strip for continuous filter
US3581901A Filter conveyor band for a continuously operating filter press
US3630381A Device for sealing off the filter press cavity between two filter press elements, preferably two revolving filter press bands or belts of a filter press
GB1253854A A process for the continuous drying of wet organic waste, in particular fresh sludge, and a device for implementing said process
CH354726A Process for dewatering the sludge from sewage treatment plants by filtration
CA915507A Belt filter press
CA879997A Drying organic waste by aerobic precomposting
CA900869A Filter conveyor band for vertically disposed band filter press
CA901617A Sealing band for a band filter press