GRONHOLZ CLAUS has a total of 14 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 1982. It filed its patents most often in Germany, United States and EPO (European Patent Office). Its main competitors in its focus markets machines, civil engineering and environmental technology are PFEIFFER AG GEB, EIRICH WALTER and EVV VERMOEGENSVERWALTUNGS GMBH.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 8 | |
#2 | United States | 3 | |
#3 | EPO (European Patent Office) | 2 | |
#4 | Finland | 1 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Civil engineering | |
#3 | Environmental technology | |
#4 | Transport | |
#5 | Control | |
#6 | Materials and metallurgy | |
#7 | Chemical engineering |
# | Technology | |
---|---|---|
#1 | Milling | |
#2 | Construction of roads | |
#3 | Dredging | |
#4 | Solid waste disposal | |
#5 | Building materials | |
#6 | Motor vehicles | |
#7 | Separating solids using liquids | |
#8 | Traffic control systems | |
#9 | Water treatment | |
#10 | Vehicle connections |
# | Name | Total Patents |
---|---|---|
#1 | Gronholz Claus Dipl Ing | 6 |
#2 | Gronholz Claus | 5 |
#3 | Gronholz Claus Dipl-Ing | 2 |
#4 | Berger Hans-Werner | 1 |
#5 | Krueger Bernd | 1 |
Publication | Filing date | Title |
---|---|---|
EP0380811A2 | Impact crusher | |
DE3941887A1 | Traffic warning and guidance system - has measurement and indication equipment fixed to bridges spanning fast lanes | |
DE3939598A1 | Impact crusher | |
DE3911086A1 | Impact crusher | |
DE3834381A1 | Apparatus for comminuting and processing large-grained material | |
DE3803809A1 | TREATMENT PLANT TRAIN FOR PRODUCING CRUSH GRAIN MIXTURES | |
DE3533998A1 | Combined levelling device for wheel dozers, bulldozers and refuse compactors | |
DE3318929A1 | Trailer device for traction engines, which can be moved transversely to the direction of travel by means of a drive | |
DE3245746A1 | Device for heating objects and personnel on, outside and in the motor vehicle |