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using electromotive driving means
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Industry
CPC
B61L5/161
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B61
Railways
B61L
GUIDING RAILWAY TRAFFIC ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L5/00
Local operating mechanisms for points or track-mounted scotch-blocks Visible or audible signals Local operating mechanisms for visible or audible signals
Current Industry
B61L5/161
using electromotive driving means
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Patents Grants
last 30 patents
Information
Patent Grant
Remote control train warning apparatus
Patent number
5,682,150
Issue date
Oct 28, 1997
Robert Bob Votava
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
2286022
Patent number
2,286,022
Issue date
Jun 9, 1942
B61 - RAILWAYS
Information
Patent Grant
2008518
Patent number
2,008,518
Issue date
Jul 16, 1935
B61 - RAILWAYS
Patents Applications
last 30 patents