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ARTHUR SELIGMANN DR ING

Overview
  • Total Patents
    15
About

ARTHUR SELIGMANN DR ING has a total of 15 patent applications. Its first patent ever was published in 1922. It filed its patents most often in Germany. Its main competitors in its focus markets chemical engineering, environmental technology and foods and drinks are LNG INTERNAT PTY LTD, ERICKSON DONALD and ERICKSON DONALD C.

Patent filings in countries

World map showing ARTHUR SELIGMANN DR INGs patent filings in countries
# Country Total Patents
#1 Germany 15

Patent filings per year

Chart showing ARTHUR SELIGMANN DR INGs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
DE644710C Device for cooling by means of dry ice, in which the carbonic acid gases circulate in a closed circuit
DE520387C Operating procedures for gas separation plants
DE567084C Relieved start-up of multi-stage gas compressors
DE506850C Absorption refrigeration machine
DE520231C Device for generating cold
DE475172C Process of gas liquefaction and gas separation with the help of external work
DE490253C Gas coolers, especially countercurrent heat exchangers for air liquefaction and separation devices
DE466133C Process for deep freezing, liquefaction and separation of difficult to condense gases
DE459255C Process for the separation of a gas mixture into its components by rectification
DE461478C Process for the separation of gas mixtures by liquefaction
DE460927C Process for liquefying and separating difficult to condense gases and gas mixtures with the help of external work
DE458894C Process for cold running gas liquefaction and separation devices which otherwise operate according to known processes
DE459349C Process of gas liquefaction by throttling and countercurrent heat exchange with double circulation
DE632005C Grinding machine for dry ice
DE636016C Device for the production of ice cream with the aid of dry ice