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PASSOW HERMANN

Overview
  • Total Patents
    12
About

PASSOW HERMANN has a total of 12 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United Kingdom, Spain and Canada. Its main competitors in its focus markets materials and metallurgy, chemical engineering and environmental technology are ASS CEMENT CO, REKORD CEMENT IND G M B H and OOO N EHKOLOGICHESKOE PRED EHK.

Patent filings in countries

World map showing PASSOW HERMANNs patent filings in countries
# Country Total Patents
#1 United Kingdom 5
#2 Spain 3
#3 Canada 2
#4 France 1
#5 United States 1

Patent filings per year

Chart showing PASSOW HERMANNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Passow Hermann 8
#2 Hermann Passow 1

Latest patents

Publication Filing date Title
GB191108233A An Improved Process for Manufacturing Filtering-plates, Bougies and the like.
US1027754A Method of making filters.
CA85122A Cement manufacture
GB190228256A An Improved Process and Means for the Treatment of Blast Furnace and other Slags.
GB190218953A A New or Improved Process for Producing Cement.
GB190113793A Improvements in the Process of Producing Cement.
CA78566A Cement
GB190014278A A New and Improved Process for Producing First-class Cement.