Howard E. van Valkenburg

Follow

Person

New Fairfield, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Backing for ultrasonic transducer crystal
- Patent number 4,420,707
- Issue date Dec 13, 1983
- Automation Industries, Inc.
- Howard E. VanValkenburg
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Time-variable bandwidth ultrasonic testing apparatus
- Patent number 4,158,308
- Issue date Jun 19, 1979
- Automation Industries, Inc.
- Donald E. Sharpe
- G01 - MEASURING TESTING
Information Patent Grant
Distance amplitude compensation system
- Patent number 4,056,971
- Issue date Nov 8, 1977
- Automation Industries, Inc.
- Howard E. van Valkenburg
- G01 - MEASURING TESTING