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HIRZEL HEINRICH

Overview
  • Total Patents
    11
About

HIRZEL HEINRICH has a total of 11 patent applications. Its first patent ever was published in 1896. It filed its patents most often in United States, United Kingdom and Austria. Its main competitors in its focus markets chemical engineering and basic materials chemistry are BEIJING CATECH TECHNOLOGY CO LTD, ALTERNATIVE PETROLEUM TECH INC and FORBES OIL AND GAS PTY LTD.

Patent filings in countries

World map showing HIRZEL HEINRICHs patent filings in countries
# Country Total Patents
#1 United States 5
#2 United Kingdom 4
#3 Austria 1
#4 Spain 1

Patent filings per year

Chart showing HIRZEL HEINRICHs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hirzel Heinrich 10
#2 Hoffmann Rudolf 1

Latest patents

Publication Filing date Title
US913500A Process of recovering purifying materials.
US991205A Distilling apparatus.
US710974A Distilling apparatus.
US848903A Art of distilling.
US630506A Apparatus for aerating liquids.
GB189718578A An Improved Absorption Apparatus for Absorbing Gases in Liquids.
GB189702900A An Improved Column for Condensing, Absorbing, Heating, Distilling, and otherwise Treating Gases and Liquids.
GB189617408A Improvements in or in connection with Drums for Mixing and otherwise Treating Granular and like Materials and small Bodies or Articles in Bulk.
GB189609557A Improvements in or connected with the Overflow Pipes of Distillation and Absorption Columns.