Philip A. Walker

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Trumbull, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic velocity measuring method and apparatus
- Patent number 4,114,455
- Issue date Sep 19, 1978
- Krautkramer-Branson, Incorporated
- Philip A. Walker
- G01 - MEASURING TESTING
Information Patent Grant
Ultrasonic pulse-echo thickness and velocity measuring method
- Patent number 4,070,917
- Issue date Jan 31, 1978
- Krautkramer-Branson, Incorporated
- Ludwig Niklas
- G01 - MEASURING TESTING
Information Patent Grant
Ultrasonic pulse-echo thickness measuring apparatus
- Patent number 4,003,244
- Issue date Jan 18, 1977
- Krautkramer-Branson, Incorporated
- Patrick M. O'Brien
- G01 - MEASURING TESTING
Information Patent Grant
Ultrasonic pulse-echo thickness and velocity measuring apparatus
- Patent number 3,994,154
- Issue date Nov 30, 1976
- Krautkramer-Branson, Incorporated
- Ludwig Niklas
- G01 - MEASURING TESTING
Information Patent Grant
Alignment of ultrasonic transducer probe in pulse-echo testing
- Patent number 3,969,926
- Issue date Jul 20, 1976
- Krautkramer-Branson, Incorporated
- Philip A. Walker
- G10 - MUSICAL INSTRUMENTS ACOUSTICS