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ENGELS ERNST WILHELM

Overview
  • Total Patents
    14
About

ENGELS ERNST WILHELM has a total of 14 patent applications. Its first patent ever was published in 1898. It filed its patents most often in Austria, United Kingdom and United States. Its main competitors in its focus markets materials and metallurgy and machines are ILLINOIS CLAY PRODUCTS CO, DAKOT CC and SCRIPTURE JR EDWARD W.

Patent filings in countries

World map showing ENGELS ERNST WILHELMs patent filings in countries
# Country Total Patents
#1 Austria 4
#2 United Kingdom 4
#3 United States 4
#4 Spain 2

Patent filings per year

Chart showing ENGELS ERNST WILHELMs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Engels Ernst Wilhelm 12

Latest patents

Publication Filing date Title
US755222A Process of treating plumbiferous ores.
US734458A Process of making bricks or bodies for refractory linings or other uses and the product thereof.
US734457A Process of making bricks or bodies for refractory linings or other uses.
GB190225221A Improvements relating to the Production of Fire-proof Materials.
GB190023781A Improved Process for Production of Carbonic Oxide.
GB190004166A Process for the Production of Fire and Acid Proof Materials and Coatings.
US650040A Fire and acid proof material and process of making same.
GB189824378A Improvements in or relating to the Manufacture of Fire and Acid Proof Bricks, Slabs, and other Earthenware Articles or Structures.