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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 5 | |
#2 | Spain | 3 | |
#3 | Canada | 2 | |
#4 | France | 1 | |
#5 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Chemical engineering | |
#3 | Environmental technology |
# | Technology | |
---|---|---|
#1 | Building materials | |
#2 | Climate change mitigation in goods production | |
#3 | Chemical or physical processes |
# | Name | Total Patents |
---|---|---|
#1 | Passow Hermann | 8 |
#2 | Hermann Passow | 1 |
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. |