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.

7.      Y. Bar-Cohen, “Pump Using Pistons and Valve Made of Electroactive Actuators," U.S. Patent No. 5,630,709, May 20, 1997.

8.      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.

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

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

11.  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  

12.  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  

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

14.  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.

15.  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.

16.  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.

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

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

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

20.  M. Badescu, S. Sherrit, Y. Bar-Cohen, X. Bao, and S. Kassab, “Ultrasonic/Sonic Rotary-Hammer Drill (USRoHD),” U.S. Patent Application No. 7,740,088, June 22, 2010.

21.  S. Sherrit, M. Badescu, Y. Bar-Cohen, Z. Chang, and X. Bao, “Portable Rapid and Quiet Drill (PRAQD),” U.S. Patent No. 7,824,247, November 4, 2010.

22.  S. Sherrit, Y. Bar-Cohen, X. Bao, B. Doty, M. Badescu, and Z. Chang, “Wireless acoustic-electric feed-through for power and signal transmission,” U.S. Patent No. 7,902,943, March 8, 2011.

23. Y. Bar-Cohen, S.-S. Lih, M. Badescu, X. Bao, S. Sherrit, S. Widholm, J. Scott, and J. Blosiu, “In-service monitoring of steam pipe systems at high temperatures,” U.S. Patent No. 8,632,244, January 21, 2014.

24. J. Aldrich, Y. Bar-Cohen, S. Sherrit, M. Badescu, X. Bao, and J. Scott, “Percussive Augmenter of Rotary Drills for Operating as a Rotary-Hammer Drill”, U.S. Patent No. 8,640,786, February 4, 2014 (Caltech).

25. S. Sherrit, X. Bao, M. Badescu, and Y. Bar-Cohen, “Single Piezo-Actuator Rotary-Hammering (SPaRH) Drill,” U.S. Patent No. 8,657,027, February 25, 2014. (Caltech). 

26. Y. Bar-Cohen, S. Sherrit and J. L. Herz “Ultrasonic/Sonic Jackhammer (USJ),” US Patent Number 8,910,727 was filled on 12/16/2014 (Caltech)

27. S. Sherrit, X Bao, M. Badescu, Y. Bar-Cohen, and P. Allen, “Monolithic Flexure Pre-stressed Ultrasonic Horns,” US Patent Number. 8,958,270 was filed on Feb. 17, 2015 (Caltech).

28. X. Bao, S. Sherrit, M. Badescu, Y. Bar-Cohen, S. Askins, and P. Ostlund, ”Free-mass and interface configurations of hammering mechanisms,” US Patent Number. 8,960,325 was filed on Feb. 24, 2015 (Caltech).

29. X. Bao, S. Sherrit, M. Badescu, Y. Bar-Cohen, and J. Hull, “Hydraulic high pressure valve controller using the in-situ pressure difference”, US Patent No. 9,316,329, April 19, 2016 (Caltech).

30. 30. S. Sherrit, X. Bao, M. Badescu, Y. Bar-Cohen, and P. G. Allen, Walnut, “Monolithic flexure pre-stressed ultrasonic horns”, US Patent No. 9,352,358 B2, May 31, 2016 (Caltech).

31. S.-S. Lih, H.J. Lee, Y. Bar-Cohen, and X. Bao, “Apparatus for and method of monitoring condensed water in steam pipes at high temperature”, US Patent No. 9,404,891, August 2, 2016 (Caltech).

32. Y. Bar-Cohen, E. Archer, X. Bao, and S. Sherrit, “Communication in pipes using acoustic modems that provide minimal obstruction to fluid flow”, US Patent No. 9,418,647, Aug. 16, 2016 (Caltech).

 

 

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