Speno International S.A.
Patent Owner
Stats
- 4 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jan 29, 2008 most recent publication
Details
- 4 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 469 Total Citation Count
- Nov 29, 1977 Earliest Filing
- 28 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
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Recent Patents
Expired/Abandoned/Withdrawn Patents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]
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]
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]
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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