WILISCH ERHART DR has a total of 55 patent applications. Its first patent ever was published in 1933. It filed its patents most often in Germany, Austria and Switzerland. Its main competitors in its focus markets transport and civil engineering are HANNAUER CAR RETARDER COMPANY, SHAPOVALOV VLADIMIR VLADIMIROV and BEIJING CONTROL INFRARED TECHNOLOGY CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 35 | |
#2 | Austria | 10 | |
#3 | Switzerland | 5 | |
#4 | Netherlands | 4 | |
#5 | Denmark | 1 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Railway equipment | |
#2 | Guiding railway traffic | |
#3 | Platform constructions |
# | Name | Total Patents |
---|---|---|
#1 | Wilisch Erhart Dr | 28 |
#2 | Lotze Berthold | 22 |
#3 | Wilisch Dr Erhart | 13 |
#4 | Erhart Wilisch Dr | 2 |
Publication | Filing date | Title |
---|---|---|
DE3443480A1 | Track brake buffer | |
DE3422230A1 | Track brake element | |
DE2932775A1 | BUMPER, ESPECIALLY AS A LOCK SAFETY IN THE MANGING STATION | |
DE2755565A1 | BUMPER FOR RAIL VEHICLES | |
DE2711819A1 | BRAKING BUFFER DEVICE FOR PRELLBOECKE | |
DE2711676A1 | BUMPER STOP WITH BRAKING BUFFER DEVICE | |
DE2710965A1 | Buffer to temporarily block rail track - has two sections hinged at track sides and biassed to stand-by position by springs | |
DE2453223A1 | High speed rail brake buffer stop - with jolt absorbing triangles on sliding mounting on rail head |