Jean-Pierre M. F. Langlois

Person

Rouen, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Machine for grinding ophthalmic glasses
- Patent number 5,460,562
- Issue date Oct 24, 1995
- Buchmann Optical Engineering
- Michel J. M. Lecere
- B24 - GRINDING POLISHING
Information Patent Grant
Machines for grinding and bevelling opthalmic lenses
- Patent number 5,321,915
- Issue date Jun 21, 1994
- Buchmann Optical Engineering
- Michel J. M. Lecerf
- B24 - GRINDING POLISHING
Information Patent Grant
Apparatus for automatically taking a reading of the shape and/or th...
- Patent number 5,307,150
- Issue date Apr 26, 1994
- Buchmann Optical Engineering
- Michel J. M. Lecerf
- G02 - OPTICS
Information Patent Grant
Device for mounting an adapter on a lens blank
- Patent number 5,263,285
- Issue date Nov 23, 1993
- Buchmann Optical Engineering
- Jean-Pierre M. F. Langlois
- B24 - GRINDING POLISHING
Information Patent Grant
Device for recalibrating a machine for grinding ophthalmic glasses
- Patent number 5,161,333
- Issue date Nov 10, 1992
- Briot International
- Michel J. M. Lecerf
- B24 - GRINDING POLISHING
Information Patent Grant
Tool for machining and bevelling polycarbonate ophthalmic glasses l...
- Patent number 4,978,254
- Issue date Dec 18, 1990
- Briot International
- Jean-Pierre M. F. Langlois
- B24 - GRINDING POLISHING
Information Patent Grant
Device for reducing splashing of liquid in a grinding machine
- Patent number 4,910,925
- Issue date Mar 27, 1990
- Briot International
- Raynald G. M. Longuet
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Grinding machines
- Patent number 4,908,991
- Issue date Mar 20, 1990
- Briot International
- Raynald G. M. Longuet
- B24 - GRINDING POLISHING
Information Patent Grant
Machines for grinding and bevelling ophthalmic glasses
- Patent number 4,829,715
- Issue date May 16, 1989
- Briot International
- Jean-Pierre M. F. Langlois
- B24 - GRINDING POLISHING
Information Patent Grant
Apparatus for centering and placing an adapter on an optical lens b...
- Patent number 4,737,918
- Issue date Apr 12, 1988
- Briot International
- Jean-Pierre Langlois
- B24 - GRINDING POLISHING
Information Patent Grant
Control device for lifting-up and translating the carriage of a mac...
- Patent number 4,667,444
- Issue date May 26, 1987
- Briot International
- Jean-Pierre Langlois
- B24 - GRINDING POLISHING

Jean-Pierre M. F. Langlois

Person

Patents Grantslast 30 patents

Machine for grinding ophthalmic glasses

Machines for grinding and bevelling opthalmic lenses

Apparatus for automatically taking a reading of the shape and/or th...

Device for mounting an adapter on a lens blank

Device for recalibrating a machine for grinding ophthalmic glasses

Tool for machining and bevelling polycarbonate ophthalmic glasses l...

Device for reducing splashing of liquid in a grinding machine

Grinding machines

Machines for grinding and bevelling ophthalmic glasses

Apparatus for centering and placing an adapter on an optical lens b...

Control device for lifting-up and translating the carriage of a mac...