John Shields

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Wheldrake Nr. York, GB

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Patents Grantslast 30 patents

Information Patent Grant
Infrared grain analyzer with controllable measurement wavelength
- Patent number 5,241,178
- Issue date Aug 31, 1993
- John Shields
- G01 - MEASURING TESTING
Information Patent Grant
Infra-red spectrophotometric apparatus
- Patent number 4,825,076
- Issue date Apr 25, 1989
- John Shields
- G01 - MEASURING TESTING
Information Patent Grant
Quantitative measurement of fat in dairy products
- Patent number 4,663,530
- Issue date May 5, 1987
- John Shields
- G01 - MEASURING TESTING
Information Patent Grant
Quantitative measurement of fat, protein and lactose in dairy products
- Patent number 4,447,725
- Issue date May 8, 1984
- Delmar A. Biggs
- G01 - MEASURING TESTING
Information Patent Grant
Electro-optical analyzer for measuring percentage by weight of fat,...
- Patent number 4,415,809
- Issue date Nov 15, 1983
- John Shields
- G01 - MEASURING TESTING
Information Patent Grant
Electro-optical analyzer for measuring percentage by weight of fat,...
- Patent number 4,310,763
- Issue date Jan 12, 1982
- John Shields
- G01 - MEASURING TESTING