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SCHWANENBERG ERICH

Overview
  • Total Patents
    12
About

SCHWANENBERG ERICH has a total of 12 patent applications. Its first patent ever was published in 1902. It filed its patents most often in Austria, Spain and United Kingdom. Its main competitors in its focus markets materials and metallurgy and machines are GRANULITE LTD, OTAVI MINEN AG and F E SCHUNDLER & CO INC.

Patent filings in countries

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

Patent filings per year

Chart showing SCHWANENBERG ERICHs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Materials and metallurgy
#2 Machines

Focus technologies

# Technology
#1 Building materials
#2 Unspecified technologies

Top inventors

# Name Total Patents
#1 Schwanenberg Erich 9
#2 Rinne Albert 6

Latest patents

Publication Filing date Title
US886258A Process for hardening artificial stone.
US911547A Process of hardening calcareous artificial-stone substances by means of carbonic acid.
GB190619038A Improved Process for Hardening Artificial Stone formed of Hydrate of Lime and Filling Materials by Means of Carbonic Acid or Gases containing Carbonic Acid.
GB190618964A Improved Process for Hardening Artificial Stone Compositions containing Lime by Means of Carbonic Acid.
GB190220150A A New or Improved Process for the Manufacture of Artificial Stone, particularly Lithographic Stone
US720848A Process of producing artificial stones.