Dr. Yoseph Bar-Cohen's Patents List

The following are Dr. Yoseph Bar-Cohen, JPL, registered patents list.

1. Y. Bar-Cohen and R. L. Crane, "The Acoustic Backscattering Method as a Means of Characterizing Composites and Imaging Flaws," Patent No. 4,457,174, July 3, 1984.

2. Y. Bar-Cohen, D. A. Stubbs, and W. C. Hoppe, "Transducting Ultrasonic Broadband Pulses Using Piezoelectric Crystals Backed by a Multiphase Damper," Patent No. 4,482,835, November 13, 1984.

3. Y. Bar-Cohen, D. A. Stubbs and W. C. Hoppe, Multiphase Backing Materials for Piezoelectric Broadband Transducers," Patent No. 4,581,070, April 8, 1986.

4. Y. Bar-Cohen, D. A. Stubbs, and W. C. Hoppe, "Multiphase Backing Materials for Piezoelectric Broadband Transducers," Patent No. 4,582,680, April 15, 1986.

5. D. E. Chimenti and Y. Bar-Cohen, "Method and Means to Examine Materials properties of composite Laminates Using Leaky Lamb Waves," Patent No. 4,674, 334, June 23, 1987.

6. Y. Bar-Cohen, "Broadband Acoustic Transducer," Patent No. 4,698,541 October 6, 1987.

1. Y. Bar-Cohen, "Pump Using Pistons And Valve Made Of Electroactive Actuators," U.S. Patent No. 5,630,709, May 20, 1997.

2. W. Grandia and Y. Bar-Cohen, "Medical Noninvasive Operations Using Focused Modulated High Power Ultrasound (FMPUL)," U.S. Patent No. 5,827,204, October 27, 1998.

3. Y. Bar-Cohen (son), W. Grandia, and Y. Bar-Cohen, "Cardiovascular Mechanically Expanding Catheter," U.S. Patent 5,855,565, January 5, 1999.

4. Y. Bar-Cohen, B. Joffe and P. Backes "Multifunction Automated Crawling System (MACS)", U.S. Patent No. 5,890,553, April 6,1999

5. Y. Bar-Cohen, B. Joffe and S.-S. Lih "Traveling wave pump employing electroactive actuators," U.S. Patent No. 5,961,298, October 5, 1999

6. Y. Bar-Cohen and S.-S. Lih, "Ultrasonic system for automatic determination of material stiffness constants" U.S. Patent No. 6,092,421, July 25, 2000

7. Y. Bar-Cohen, B. Joffe and P. Backes "Multifunction Automated Crawling System (MACS)", U.S. Patent No. 6,105,695, August 22, 2000.

8. Y. Bar-Cohen, S. G. Kersey, C. S. Daksla and A. Blanosky, "Multiplex Ultrasonic System," U.S. Patent No. 6,247,367, June 19, 2001.

9. Y. Bar-Cohen, J. S. Kovach, "Detection of cystic structures using pulsed ultrasonically induced resonant cavitation," U.S. Patent No. 6,406,429, June 18, 2002.

10. Y. Bar-Cohen, S. Sherrit, B. Dolgin, T. Peterson, D. Pal and J. Kroh, "Smart-ultrasonic/sonic driller/corer," U.S. Patent No. 6,863,136, March 8, 2005.

11. Y. Bar-Cohen, "Ultrasonically Induced Plumbing-Free Controllable Plurality of Fountains and Fog (ULIFOG)," U.S. Patent No. 6,935,760, August 30, 2005.

12. Y. Bar-Cohen, S. Sherrit, B. Dolgin, X. Bao and S. Askin, "Ultrasonic/Sonic Mechanism of Deep Drilling (USMOD)," U.S. Patent No. 6,968,910, November 29, 2005.

13. Y. Bar-Cohen, and S. Sherrit, "Self-Mountable and Extractable Ultrasonic/Sonic Anchor," U.S. Patent No. 7,156,189, January 2, 2007.

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