J & OTTO KREBBER has a total of 24 patent applications. Its first patent ever was published in 1939. It filed its patents most often in Germany, France and Austria. Its main competitors in its focus markets civil engineering, mechanical elements and basic materials chemistry are PLEINES FELIX, BRAAS FLACHDACHSYSTEME GMBH & and ETERNIT FINANCIERE.
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Mechanical elements | |
#3 | Basic materials chemistry | |
#4 | Surface technology and coating | |
#5 | Machines | |
#6 | Chemical engineering |
# | Technology | |
---|---|---|
#1 | Roof coverings | |
#2 | Pipes | |
#3 | General building constructions | |
#4 | Spraying devices | |
#5 | Processes for applying fluent materials | |
#6 | Adhesives | |
#7 | Scaffolding | |
#8 | Lubricating compositions | |
#9 | Shafts | |
#10 | Drying solid materials by removing liquid |
# | Name | Total Patents |
---|---|---|
#1 | Krebber Dipl-Kfm Hans-Julius | 4 |
#2 | Krebber Hans-Julius | 2 |
#3 | Neumeister Dr Willy | 1 |
#4 | Hans-Julius Krebber | 1 |
#5 | Otto Krebber J | 1 |
#6 | Julius Krebber Hans | 1 |
#7 | Krebber Dipl-Kfm Hans Julius | 1 |
Publication | Filing date | Title |
---|---|---|
DE1409980A1 | Sealing membrane, especially for roofing, building insulation and the like. |