DORENWENDT WOLFGANG has a total of 11 patent applications. Its first patent ever was published in 1995. It filed its patents most often in Germany, Poland and EPO (European Patent Office). Its main competitors in its focus markets civil engineering, chemical engineering and environmental technology are SUZHOU GARDEN DEV CO LTD, SPACE BIOSPHERES VENTURE and NORM AMC AG.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 7 | |
#2 | Poland | 2 | |
#3 | EPO (European Patent Office) | 1 | |
#4 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Chemical engineering | |
#3 | Environmental technology |
# | Technology | |
---|---|---|
#1 | General building constructions | |
#2 | Roof coverings | |
#3 | Finishing work on buildings | |
#4 | Water treatment | |
#5 | Separation |
# | Name | Total Patents |
---|---|---|
#1 | Dorenwendt Wolfgang | 9 |
#2 | Hosse Herbert | 2 |
Publication | Filing date | Title |
---|---|---|
DE19921837A1 | Profiled frame of light metal | |
DE19822353A1 | Rain water gutter mounting | |
DE19810925A1 | Railing system for loggias and balconies | |
WO9819769A1 | Filter elements and filter devices | |
DE19600255A1 | Support bracket for the production of a balcony and its arrangement in and on the floor support | |
DE19600254A1 | Floor slab for balcony on outside of building | |
DE19529285A1 | Balcony-bearing component | |
DE19508317A1 | Balcony-bearing component |