Francois Dufresne De Virel

Person

Boulogne-Billancourt, FR

People

Patents Grantslast 30 patents

Information Patent Grant
System for detection and imaging by spectral analysis in several wa...
- Patent number 9,683,893
- Issue date Jun 20, 2017
- Sagem Defense Securite
- Francois Dufresne De Virel
- F41 - WEAPONS
Information Patent Grant
Engine and pod assembly for an aircraft, equipped with an anti-icin...
- Patent number 8,997,451
- Issue date Apr 7, 2015
- Sagem Defense Securite
- François Dufresne de Virel
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Device for countering and tracking a threat in the form of a homing...
- Patent number 8,698,667
- Issue date Apr 15, 2014
- Sagem Defense Securite
- Julien Aragones
- F41 - WEAPONS
Information Patent Grant
Secure biometric device
- Patent number 8,432,251
- Issue date Apr 30, 2013
- Morpho
- Eric Saliba
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device for printing on a strip of paper in the form of a roll about...
- Patent number 8,113,458
- Issue date Feb 14, 2012
- Morpho
- Xavier Chaussade
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
System for protecting the engagable elements of a connector
- Patent number 7,918,674
- Issue date Apr 5, 2011
- Sagem Defense Securite
- François Dufresne de Virel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Airborne optical sighting device moving at high speed
- Patent number 4,905,936
- Issue date Mar 6, 1990
- Thomson-CSF
- Francois Dufresne de Virel
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM FOR DETECTION AND IMAGING BY SPECTRAL ANALYSIS IN SEVERAL WA...
- Publication number 20160327432
- Publication date Nov 10, 2016
- SAGEM DEFENSE SECURITE
- FRANCOIS DUFRESNE DE VIREL
- G01 - MEASURING TESTING
Information Patent Application
ENGINE AND POD ASSEMBLY FOR AN AIRCRAFT, EQUIPPED WITH AN ANTI-ICIN...
- Publication number 20120036826
- Publication date Feb 16, 2012
- SAGEM DEFENSE SECURITE
- Francois Dufresne De Virel
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Device for Countering and Tracking a Threat in the Form of a Homing...
- Publication number 20110006222
- Publication date Jan 13, 2011
- Julien Aragones
- G01 - MEASURING TESTING
Information Patent Application
SECURE BIOMETRIC DEVICE
- Publication number 20100127826
- Publication date May 27, 2010
- Eric Saliba
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM FOR PROTECTING THE ENGAGABLE ELEMENTS OF A CONNECTOR
- Publication number 20100022110
- Publication date Jan 28, 2010
- Francois Dufresne De Virel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Device for Collecting Flux of Electromagnetic Radiation in the Extr...
- Publication number 20090244696
- Publication date Oct 1, 2009
- Roland Geyl
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Contactless Biodetector
- Publication number 20090046331
- Publication date Feb 19, 2009
- SAGEM DEFENSE SECURITE
- Francois Dufresne de Virel
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Scanner that scans to film
- Publication number 20080088890
- Publication date Apr 17, 2008
- Sagem Securite
- Francois Dufresne de Virel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Device for printing on a strip of paper in the form of a roll about...
- Publication number 20070091159
- Publication date Apr 26, 2007
- SAGEM DEFENSE SECURITE
- Xavier Chaussade
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Francois Dufresne De Virel

Person

Patents Grantslast 30 patents

System for detection and imaging by spectral analysis in several wa...

Engine and pod assembly for an aircraft, equipped with an anti-icin...

Device for countering and tracking a threat in the form of a homing...

Secure biometric device

Device for printing on a strip of paper in the form of a roll about...

System for protecting the engagable elements of a connector

Airborne optical sighting device moving at high speed

Patents Applicationslast 30 patents

SYSTEM FOR DETECTION AND IMAGING BY SPECTRAL ANALYSIS IN SEVERAL WA...

ENGINE AND POD ASSEMBLY FOR AN AIRCRAFT, EQUIPPED WITH AN ANTI-ICIN...

Device for Countering and Tracking a Threat in the Form of a Homing...

SECURE BIOMETRIC DEVICE

SYSTEM FOR PROTECTING THE ENGAGABLE ELEMENTS OF A CONNECTOR

Device for Collecting Flux of Electromagnetic Radiation in the Extr...

Contactless Biodetector

Scanner that scans to film

Device for printing on a strip of paper in the form of a roll about...