John S. Yard

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Doylestown, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Coriolis-type flowmeter
- Patent number 4,957,005
- Issue date Sep 18, 1990
- Fischer & Porter Company
- John Yard
- G01 - MEASURING TESTING
Information Patent Grant
Electromagnetic flowmeter system having automatically adjusted resp...
- Patent number 4,303,980
- Issue date Dec 1, 1981
- Fischer & Porter Company
- John S. Yard
- G01 - MEASURING TESTING
Information Patent Grant
Harmonic noise suppression in electromagnetic flowmeter
- Patent number 4,227,408
- Issue date Oct 14, 1980
- Fischer & Porter Company
- Roy F. Schmoock
- G01 - MEASURING TESTING
Information Patent Grant
Multi-range vortex-shedding flowmeter
- Patent number 4,003,253
- Issue date Jan 18, 1977
- Fischer & Porter Co.
- John S. Yard
- G01 - MEASURING TESTING
Information Patent Grant
Electromagnetic flowmeter usable in less-than full fluid lines
- Patent number 3,991,612
- Issue date Nov 16, 1976
- Fischer & Porter Co.
- Elmer D. Mannherz
- G01 - MEASURING TESTING