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PRETEMA AG

Overview
  • Total Patents
    36
About

PRETEMA AG has a total of 36 patent applications. Its first patent ever was published in 1956. It filed its patents most often in Switzerland, United Kingdom and United States. Its main competitors in its focus markets measurement, chemical engineering and textiles and paper are PROCTOR & SCHWARTZ, APPLIED COLOR SYSTEMS INC and Minkon GmbH.

Patent filings in countries

World map showing PRETEMA AGs patent filings in countries

Patent filings per year

Chart showing PRETEMA AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Unterreiner Josef 2
#2 Ernst Rohner 2
#3 Techn Rohner Ernst Dr Sc 2
#4 Rohner Ernst 2
#5 Strutt Max J O 2
#6 Norbert Felber 2
#7 Rohner Ernst Dr 2
#8 Maximilian J O Prof Dr Strutt 1
#9 Prof Strutt Max J O Dr 1
#10 Felber N 1

Latest patents

Publication Filing date Title
CH661594A5 Method and device for determining the friction behavior of long stretched forms, in particular of yarns.
GB1479647A Method of and apparatus for drying a hygroscopic material possessing fibrous structure
US3756045A Apparatus for dyeing textile material
CH548803A Laboratory yarn dyeing unit - with piston pump and two-way piston valve to pass dyestuff in and out of dyeing chamber
US3235798A Method and apparatus for automatic recording of the spectrum of lightemitting objects
US3042476A Method for duplicating the dye of an original on a dye carrier
DE1289026B Process for determining the color recipe for a carrier material, based on a color template
GB876094A Improvements in or relating to automatic filter spectographs
US2971430A Automatic filter spectrograph
CA630688A Method for duplicating the dye of an original on a dye carrier
CA626425A Automatic filter spectrograph