Speno International S.A.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 264
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7322879 Reprofiling device for the rails of railroads that captures wasteSep 14, 06Jan 29, 08[B24B]
5804731 Ultrasonic device for measuring the internal defects of a railApr 23, 97Sep 08, 98[G01N]
5580301 Device for fastening a lapping disk to the axle of a motor of a lapping unit used on the rail of a railwayMar 14, 94Dec 03, 96[B24B]
5522265 Device for the ultrasonic measuring of the defects of a railway trackMar 14, 95Jun 04, 96[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5997391 Device for the continuous and fine reprofiling in situ of the surface of the head of at least one rail of a railway trackExpiredOct 06, 97Dec 07, 99[B24B]
5673626 Equipment for cleaning railway tracksExpiredMar 20, 96Oct 07, 97[E01H]
5574224 Process and device for the continuous nondestructive control of rails on a railway line by ultrasonicsExpiredJun 02, 95Nov 12, 96[G01N]
5566437 Installation for the reprofiling of tracks carried out on a railway lineExpiredDec 07, 94Oct 22, 96[B24B, B23P, B23C]
5549505 Installation for the reprofiling of tracks carried out on a railway lineExpiredDec 01, 94Aug 27, 96[E01B, B23D]
5525098 Machine for molding localized sections of a railroad rail, particularly for welding ends of rails or other local defectsExpiredMay 04, 95Jun 11, 96[B24B]
5265379 Device for the reprofiling of the rails of railway trackExpiredFeb 13, 92Nov 30, 93[B24B]
5134808 Method of programming and performing the reprofiling of rails of a railroad track and railroad vehicle for carrying out the sameExpiredJul 31, 90Aug 04, 92[B24B]
5101358 Method of programming and performing the reprofiling work of rails of a railroad track and a device to carry out the sameExpiredJul 31, 90Mar 31, 92[G06F, E01B]
5086591 Reprofiling method of the rails of a railroad track and railroad vehicle for performing the sameExpiredJul 30, 90Feb 11, 92[B24B]
5020371 Device for the precise transverse positioning for a member displaceable along a rail of a railway track with respect to said railExpiredOct 12, 89Jun 04, 91[G01N]
4993193 Railroad vehicle for reprofiling at least one rail of a railroad trackExpiredDec 05, 89Feb 19, 91[B24B]
4920701 Device for the reprofiling of the rails of a railway trackExpiredJan 31, 89May 01, 90[E01B]
4905422 Method and device for the continuous rectification of the rails of a railway trackExpiredSep 05, 84Mar 06, 90[E01B]
4878318 Railway track maintenance machine for the rectification of the head of the railExpiredFeb 10, 89Nov 07, 89[E01B]
RE32979 Device for the in situ reprofiling of the head of at least one rail of a railroad trackExpiredAug 21, 87Jul 11, 89[B24B]
4843765 Railway track maintenance machine for truing the head of railway track railsExpiredDec 09, 80Jul 04, 89[E01B]
4615150 Device for the in situ reprofiling of the head of at least one rail of a railroad trackExpiredJan 29, 85Oct 07, 86[B24B]
4596092 Device for the continuous reprofiling of the head of at least one railExpiredOct 30, 84Jun 24, 86[E01B]
4548070 Apparatus for measuring undulatory deformations of the rolling surface of railroad railsExpiredOct 11, 83Oct 22, 85[G01B]

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