HOFMANN WALTER GMBH has a total of 20 patent applications. Its first patent ever was published in 1983. It filed its patents most often in Germany, France and Switzerland. Its main competitors in its focus markets civil engineering, engines, pumps and turbines and machines are HOFMANN WALTER MASCHF, LINNHOFF & THESENFITZ MASCH and WALD IND.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 7 | |
#2 | France | 7 | |
#3 | Switzerland | 2 | |
#4 | EPO (European Patent Office) | 2 | |
#5 | United States | 2 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Engines, pumps and turbines | |
#3 | Machines | |
#4 | Measurement | |
#5 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Construction of roads | |
#2 | Pumps | |
#3 | Spraying devices | |
#4 | Measuring volume | |
#5 | Gearing | |
#6 | Platform constructions |
# | Name | Total Patents |
---|---|---|
#1 | Hofmann Frank | 11 |
#2 | Hofmann Frank Dipl Ing | 7 |
#3 | Hofmann | 1 |
#4 | Frank | 1 |
#5 | Hoffman Frank | 1 |
Publication | Filing date | Title |
---|---|---|
DE3820042A1 | Positive displacement pump | |
DE3814703A1 | Drive arrangement, in particular for the material pumps of road-marking machines or the like | |
DE3733320A1 | Pressure-vessel marking machine with multiple-bellows pump | |
DE3636599A1 | Volumetric flow rate measuring device | |
DE3616188A1 | Apparatus for the metered application of granular material to road markings | |
DE3607866A1 | Marking system for roadways or the like | |
DE3435213A1 | Arrangement for automatically keeping constant the thickness of the layer of marking lines or the like | |
FR2522702A1 | Pearl dispenser, particularly for marking pavements with glass pearls |