KESTERMANN MASCHF ROLF has a total of 21 patent applications. Its first patent ever was published in 1961. It filed its patents most often in Germany, Switzerland and Austria. Its main competitors in its focus markets machines, machine tools and organic fine chemistry are KUNSHAN KESUN RUBBER & PLASTIC, SHANDONG JINYU IND CO LTD and WALLIS GEORGE PEARSON.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 5 | |
#2 | Switzerland | 4 | |
#3 | Austria | 3 | |
#4 | Canada | 2 | |
#5 | France | 2 | |
#6 | Netherlands | 2 | |
#7 | United States | 2 | |
#8 | United Kingdom | 1 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Machine tools | |
#3 | Organic fine chemistry |
# | Technology | |
---|---|---|
#1 | Shaping of plastics | |
#2 | Preparation of materials | |
#3 | Presses | |
#4 | Special acyclic compounds |
# | Name | Total Patents |
---|---|---|
#1 | Selbach Hans-Werner | 7 |
#2 | Hans-Werner Selbach | 5 |
#3 | Selbach Hans Werner | 1 |
Publication | Filing date | Title |
---|---|---|
US3601859A | Plastifying screw assembly for extrusion and injection-molding presses | |
DE1729184A1 | Screw extruder for thermoplastics and the like. | |
DE1554751B1 | Screw extruder | |
DE1529994B1 | Screw extruder | |
DE1454818A1 | Feed hopper with lock chambers, especially for extruders, injection molding machines and similar plastic processing machines | |
DE1263275B | Knife nozzle head for extruder or the like for the production of plastic granulate | |
CA856136A | Plastifying screw assembly for extrusion and injection-molding presses | |
CA812669A | Plasticizing system for plastic materials |