PLOETZ ROLF has a total of 14 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Germany, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets machine tools, materials and metallurgy and civil engineering are FRY S METAL FOUNDRIES LTD, KUNSHAN CHUNBAI PREC HARDWARE CO LTD and BAOSTEEL TAILORED BLANKS GMBH.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 5 | |
#2 | WIPO (World Intellectual Property Organization) | 3 | |
#3 | EPO (European Patent Office) | 2 | |
#4 | Poland | 2 | |
#5 | Hungary | 1 | |
#6 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Materials and metallurgy | |
#3 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Soldering, welding and flame cutting | |
#2 | Machines for making railways | |
#3 | Casting metal | |
#4 | Foundry moulding |
# | Name | Total Patents |
---|---|---|
#1 | Ploetz Rolf | 14 |
Publication | Filing date | Title |
---|---|---|
DE102008049947A1 | Method for connecting two rail ends and device for vibration relaxation of the welded joint | |
DE10247751A1 | Method and apparatus for welding head hardened rails | |
EP1121221A1 | Method for aluminothermic joint welding of two rails separated by a gap and casting mold for implementing said method | |
DE19849454A1 | Process for the aluminothermic connection welding of two rails laid on a gap and casting mold for carrying out the process | |
DE19822851A1 | Transportable reaction crucible for metallothermic welding material for once-only use | |
DE19746451A1 | Aluminothermic rail welding mold has an enlarged riser section in the rail foot region |