Philippe Graindorge — 19 Patents at Photonetics

Philippe Graindorge has been granted 19 US patents while listed as an inventor at Photonetics. The first was granted in 1985 and the most recent in May 2003. Philippe Graindorge ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Philippe Graindorge in Voisins-le-Bretonneux, FR.

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Showing 1–19 of 19 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6560249	Laser source with integral filtering of the amplified spontaneous emission	Herve Lefevre	2003-05-06
6529327	Partly reflecting optical component and laser source incorporating such a component	—	2003-03-04
6507597	Multiwavelength source	Philippe Martin, Bernard Laloux, Herve Lefevre	2003-01-14
6324193	Continuously wavelength-tunable monomode laser source	Sophie Bourzeix, Daniel Gatti, Bernard Laloux, Herve Lefevre, Denis Mangeot +1 more	2001-11-27
5802085	Singlemode laser source tunable in wavelength with a self-aligned external cavity	Herve Lefevre, Philippe Martin, Bernard Laloux, Laurent Disdier	1998-09-01
5594744	Singlemode laser source tunable in wavelength with a self-aligned external cavity	Herve Lefevre, Philippe Martin, Bernard Laloux, Laurent Disdier	1997-01-14
5470745	Apparatus for controlling the methane fermentation of organic materials	Jean-Francois Beteau	1995-11-28
5349439	Opto-electronic measuring device with optical air wedge spectral analysis arrangement	Denis M. Trouchet	1994-09-20
4994677	Method for positioning an object relative to a plane and measuring length and apparatus for implementing same	—	1991-02-19
4932782	Channelled light spectrum analysis measurement method and device, more especially for measuring a low amplitude movement of a mobile surface, which may be representative of a variation of a physical magnitude convertible into such a movement	Francois X. Desforges	1990-06-12
4907878	Device for discriminating fluids having different refractive indices and device for measuring the voluminal fraction of at least one fluid of a current of non-mixible fluids incorporating the discrimination device	Herve Arditty, Gilles Le Boudec, Jean-Pierre Gerardin, Jean-Louis Lesne, Dominique Meyet	1990-03-13
4743115	Method of coiling an optical fiber gyroscope and an optical fiber coil thus obtained	Herve Arditty, Jean P. Bettini, Serge Botti, Herve Lefevre	1988-05-10	$6,000
4705399	Device for measuring a nonreciprocal phase shift produced in a closed-loop interferometer	Herve Arditty, Herve Lefevre	1987-11-10	$6,000
4571080	Michelson interferometer with a photorefractive mirror	Michel Papuchon, Herve Arditty, Jean-Pierre Huignard	1986-02-18
4548631	Process and device for manufacturing a fiber keeping a circular polarization	Herve Arditty	1985-10-22
4547650	Device for heating an annular surface zone of a threadlike object	Herve Arditty	1985-10-15
4542955	Device for illuminating an electro-optical medium for recording holograms in real time	Herve Arditty	1985-09-24
4536861	Optical fibre hydrophone	Herve Arditty	1985-08-20
4509968	Device for providing a drawn fiber-like object with a helical structure	Herve Arditty, Yannic Bourbin, Jacques Dubos, Francis Gautnier	1985-04-09

Philippe Graindorge — 19 Patents

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