Inventor

HEDDEBAUT MARC

FR9 patents

⚠️ This page may combine multiple inventors who share the name “HEDDEBAUT MARC”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ALSTHOM SA

2 patents

US4932617AJun 12, 1990

System for transmitting broadband data and/or instructions between a moving element and a control station

ALSTHOM SA33 citations88

US4873531AOct 10, 1989

Identification transponder for use when a vehicle passes a given point

ALSTHOM SA14 citations69

INRETS

1 patent

US7725252B2May 25, 2010

Device and method for positioning and controlling railway vehicles with ultra-large bandwidth

INRETS57 citations88

ALSTHOM

1 patent

US5057797AOct 15, 1991

System for transmitting broadband data and/or instructions between an element moving in one plane and a control station

ALSTHOM8 citations72

ALSTHOM GEC

1 patent

US5136225AAug 4, 1992

Device for guiding vehicles on a virtual track

ALSTHOM GEC7 citations71

GFC ALSTHOM S A

1 patent

US5430455AJul 4, 1995

Microwave location system

GFC ALSTHOM S A8 citations62

GEC ALSTHOM TRANSPORT SA

1 patent

US6034646AMar 7, 2000

Information transmission device and method for systems using radiating waveguides

GEC ALSTHOM TRANSPORT SA5 citations58

ALSTOM TRANSPORT SA

1 patent

US7978071B2Jul 12, 2011

Device and method for detecting the presence of an object

ALSTOM TRANSPORT SA3 citations52

RIOULT JEAN

1 patent

US8106790B2Jan 31, 2012

Measuring device for the electromagnetic field emitted by an apparatus being tested

RIOULT JEAN0 citations36