B61L 1/08

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9061691 Method and apparatus for operation of a railway branch lineDec 09, 11Jun 23, 15SIEMENS AKTIENGESELLSCHAFT
5502367 Highway crossing controlAug 19, 94Mar 26, 96UNION SWITCH & SIGNAL INC.
5395078 Low speed wheel presence transducer for railroads with self calibrationSep 01, 93Mar 07, 95BUSINESS ALLIANCE CAPITAL CORP., Harmon Industries, Inc., PROGRESS RAIL SERVICES CORPORATION,
4538781 Control system for controlling the passage of vehiclesOct 04, 82Sep 03, 85AEA TECHNOLOGY PLC, BRITISH RAILWAYS BOARD, A PUBLIC AUTHORITY,
4524931 Device for indicating a certain proximity between movable unitsNov 09, 81Jun 25, 85Ingeniorsfirma N.D.C. Netzler & Dahlgren Co Aktiebolag
4369943 Model train crossing gateDec 29, 80Jan 25, 83Not available