Learn more

KEHRMANN ALEXANDER

Overview
  • Total Patents
    19
About

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.

Patent filings in countries

World map showing KEHRMANN ALEXANDERs patent filings in countries

Patent filings per year

Chart showing KEHRMANN ALEXANDERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kehrmann Alexander 18
#2 Alexander Kehrmann 1
#3 Schwei Peter 1
#4 Stotter Christoph 1
#5 Paulus Andreas 1

Latest patents

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