John Irven

Person

Bishops Stortford, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Optical fibre preform manufacture
- Patent number 4,518,407
- Issue date May 21, 1985
- International Standard Electric Corporation
- Philip W. Black
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of making solid preforms and optical fibers drawn therefrom
- Patent number 4,341,441
- Issue date Jul 27, 1982
- International Standard Electric Corp.
- Paul E. Lighty
- G02 - OPTICS
Information Patent Grant
Single mode fibre and method of making
- Patent number 4,335,934
- Issue date Jun 22, 1982
- International Standard Electric Corporation
- Philip W. Black
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber manufacture
- Patent number 4,242,118
- Issue date Dec 30, 1980
- International Standard Electric Corporation
- John Irven
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of manufacturing a continuous optical preform
- Patent number 4,195,980
- Issue date Apr 1, 1980
- International Standard Electric Corporation
- Henley F. Sterling
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of manufacturing optical fibre preforms
- Patent number 4,165,224
- Issue date Aug 21, 1979
- International Standard Electric Corporation
- John Irven
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fibre manufacture
- Patent number 4,155,733
- Issue date May 22, 1979
- International Standard Electric Corporation
- Carl P. Sandbank
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber manufacture
- Patent number 4,116,653
- Issue date Sep 26, 1978
- International Standard Electric Corporation
- John Irven
- C03 - GLASS MINERAL OR SLAG WOOL

Person

Patents Grantslast 30 patents

Optical fibre preform manufacture

Method of making solid preforms and optical fibers drawn therefrom

Single mode fibre and method of making

Optical fiber manufacture

Method of manufacturing a continuous optical preform

Method of manufacturing optical fibre preforms

Optical fibre manufacture

Optical fiber manufacture