Speno International Sa

• DEVICE AND METHOD FOR LOCATING DEFECTS OR IRREGULARITIES ON THE SURFACE OF RAILWAY RAILS

  21 Jun 2017

  EP3182112

• DEVICE FOR FINISHING THE CONTINUOUS FIELD TRIMMING OF THE SURFACE OF THE HEAD OF AT LEAST ONE RAIL OF A RAILWAY TRACK

  20 Jun 1998

  CA2216576

• DEVICE FOR MEASURING INTERNAL DEFECTS IN A RAIL USING ULTRASOUND

  25 May 1998

  CA2204173

• Equipment for cleaning railway tracks

  13 Nov 1996

  ZA963469

• A device for the ultrasonic measuring of the defects of a railway track

  5 Dec 1995

  ZA952671

• Machine for the grinding of local portions of a railway rail, particularly of the welding of two neighbouring rails or other punctual defects

  19 Oct 1995

  AU5927994

• DEVICE FOR THE ULTRASONIC MEASURING OF THE DEFECTS OF A RAILWAY TRACK

  7 Oct 1995

  CA2146306

• MACHINE FOR GRINDING SELECTED SECTIONS OF RAILROAD TRACKS, ESPECIALLY BUTT-END WELDS AND OTHER POINT DEFECTS

  1 Oct 1995

  CA2120288

• INSTALLATION FOR THE REPROFILING OF TRACKS CARRIED OUT ON A RAILWAY LINE

  19 Aug 1995

  CA2137989

• An installation for the reprofiling of tracks carried out on a railway line

  1 Aug 1995

  ZA949649

• DEVICE FOR FASTENING A LAPPING DISK TO THE AXIS OF A MOTOR OF A LAPPING UNIT USED ON THE RAIL OF A RAILWAY

  22 Nov 1994

  CA2123957

• PROCESS AND A DEVICE FOR THE CONTINUOUS NONDESTRUCTIVE CONTROL OF RAILS ON A RAILWAY LINE BY ULTRASONICS

  24 Jun 1994

  CA2112030

• DEVICE FOR THE REPROFILING OF THE RAILS OF RAILWAY TRACK

  2 Sep 1992

  CA2061787

• Programming Method of the Work of Reprofiling the Rails of a Railroad Track and/or for Reprofiling the Rails as Well as a Device to Carry Out This Method

  1 Mar 1991

  CA2022568

• PROCEDE ET DISPOSITIF DE MESURE DU PROFIL TRANSVERSAL DU CHAMPIGNON D'UN RAIL D'UNE VOIE FERREE.

  30 Nov 1984

  CH646516

• TRAIN MEULEUR POUR RECTIFIAGE DES RAILS D'UNE VOIE DE CHEMIN DE FER.

  13 Apr 1984

  CH642413

• Device for measuring the geometric condition of the running tread of the rails of a railway track

  30 Jun 1983

  CH636920

• MEASURING METHOD AND DEVICE OF AT LEAST ONE GEOMETRICAL CHARACTERISTIC OF THE HEAD OF THE RAILS OF A RAILWAY TRACK

  28 Jul 1982

  ZA814294

• Device for measuring the undulating-type deformations of the rolling surface of the rails of a railway

  28 May 1982

  CH630016

• RAILWAY TRACK MAINTENANCE MACHINE FOR THE RECTIFICATION OF THE HEAD OF THE RAIL

  27 Jan 1982

  ZA808032

• Patent

  30 Nov 1981

  CH626673

• Patent

  15 Oct 1981

  CH625848

• ANORDNING FOR UPPMETNING AV FEL HOS JERNVEGSSKENORS RULLKONTAKTYTOR

  7 Sep 1980

  SE8001697

• OUTIL DE MEULAGE

  6 Jun 1980

  FR2440813

• Transcription of numbers representative of geometrical defects of railway tracks

  3 Jan 1980

  GB2023835

Kilde: EPO (Espacenet).