KEHRMANN ALEXANDER has a total of 19 patent applications. Its first patent ever was published in 2002. It filed its patents most often in EPO (European Patent Office), United States and Poland. Its main competitors in its focus markets materials and metallurgy, environmental technology and basic materials chemistry are SHANDONG HONGYI TECHNOLOGY CO LTD, BRATSKIJ IND NYJ I and BUZZI UNICEM S P A.
# | Country | Total Patents | |
---|---|---|---|
#1 | EPO (European Patent Office) | 11 | |
#2 | United States | 5 | |
#3 | Poland | 2 | |
#4 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Environmental technology | |
#3 | Basic materials chemistry | |
#4 | Surface technology and coating | |
#5 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Kehrmann Alexander | 18 |
#2 | Alexander Kehrmann | 1 |
#3 | Schwei Peter | 1 |
#4 | Stotter Christoph | 1 |
#5 | Paulus Andreas | 1 |
Publication | Filing date | Title |
---|---|---|
EP1923366A1 | Process for recycling of bypass-dust and recovered products | |
EP1741683A2 | Mixture of raw materials for making a cement clinker, cement klinker and a cement | |
EP1741682A1 | Cement clinker, cement and method for producing cement | |
EP1609760A1 | Method for preparaing Iron(II) sulfate heptahydrate | |
EP1580175A1 | Aggregate for concrete | |
EP1544182A1 | Hydraulic binder | |
US2005011414A1 | Hydraulic binder | |
EP1520843A1 | Hydraulic binder | |
EP1477095A1 | Grill grid | |
EP1464713A1 | Process and system for working-up iron-containing, oil-contaminated waste | |
EP1440954A1 | Chromate reduced hydraulic binder |