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WULFF BERZELIUS NORMELLI

Overview
  • Total Patents
    31
About

WULFF BERZELIUS NORMELLI has a total of 31 patent applications. Its first patent ever was published in 1927. It filed its patents most often in Germany and United Kingdom. Its main competitors in its focus markets thermal processes, environmental technology and basic materials chemistry are ARKLA IND, STIERLIN HANS and ALLYNE EDMUND E.

Patent filings in countries

World map showing WULFF BERZELIUS NORMELLIs patent filings in countries
# Country Total Patents
#1 Germany 19
#2 United Kingdom 12

Patent filings per year

Chart showing WULFF BERZELIUS NORMELLIs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB481567A Improvements in and relating to domestic refrigerator cabinets
GB481568A Improvements in and relating to absorption or adsorption refrigerating machines
GB481101A Improvements in and relating to intermittently operated absorption refrigerating machines
GB480018A Improvements in and relating to intermittent absorption refrigerating machines
GB476057A Improvements in and relating to methods of charging the generator-absorbers of absorption refrigerating apparatus
GB417044A Periodical absorption refrigerating apparatus
GB417111A Improvements in and relating to intermittent absorption refrigerating apparatus
GB416843A Improvements in absorption refrigerating apparatus
GB388352A Process for the carrying away of waste heat developed in absorption refrigerators
DE591797C Absorption refrigeration machine working in sections
GB317767A Improvements in periodic absorption refrigerating apparatus
GB285798A Improvements in absorption refrigerating machines