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Schwihag Gesellschaft fur Eisenbahnoberbau mbH
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Tagerwilen, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Sleeper-mounted railroad-switch actuator
Patent number
7,070,152
Issue date
Jul 4, 2006
Schwihag Gesellschaft fur Eisenbahnoberbau mbH
Karl-Heinz Schwiede
B61 - RAILWAYS
Information
Patent Grant
Switch tongues
Patent number
6,464,177
Issue date
Oct 15, 2002
Schwihag Gesellschaft fur Eisenbahnoberbau mbH
Armin Heim
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Switching device for switch tongues
Patent number
6,290,189
Issue date
Sep 18, 2001
Schwihag Gesellschaft für Eisenbahnoberbau mbH
Armin Heim
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Guide-rail attachment for railroad switch
Patent number
6,279,833
Issue date
Aug 28, 2001
Schwihag Gesellschaft fur Eisenbahnoberbau mbH
Karl-Heinz Schwiede
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Support plate for mounting rails of railroad tracks and track switc...
Patent number
4,921,168
Issue date
May 1, 1990
Schwihag Gesellschaft fur Eisenbahnoberbau mbH
Armin Heim
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Apparatus for fastening rails to railroad ties
Patent number
4,728,031
Issue date
Mar 1, 1988
Schwihag, Gesellschaft fur Eisenbahnoberbau mbH
Armin Heim
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Patents Applications
last 30 patents
Information
Patent Application
Sleeper arrangement for railroad switch
Publication number
20020060273
Publication date
May 23, 2002
SCHWIHAG GESELLSCHAFT FUR EISENBAHNOBERBAU MBH
Karl-Heinz Schwiede
B61 - RAILWAYS
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last 30 trademarks