For the Inventor, By the Inventor

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San Diego, CA, United States of America

Cryogen, Inc.

USPTO Granted Patents = 19

Trademarks = 3

Forward Citations = 1,310

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16 inventors (with patents filed for the assignee):

John Daniel Dobak, Iii (9 out of 115 patents)

Xiaoyu Yu (5 out of 16 patents)

Kambiz Ghaerzadeh (5 out of 7 patents)

4. Hong Li (5 out of 12 patents)

5. Ray Radebaugh (4 out of 6 patents)

6. John D Dobak (4 out of 13 patents)

7. Eric D Marquardt (4 out of 5 patents)

8. Marcia L Huber (3 out of 3 patents)

9. Steven W Kovalcheck (2 out of 20 patents)

10. Eric Ryba (2 out of 10 patents)

11. Terry L Brown (2 out of 2 patents)

12. John Frederick Hayfield (2 out of 3 patents)

13. David R Murray (1 out of 1 patent)

14. Ravikumar V Kudaravalli (1 out of 1 patent)

15. Daniel Taut (1 out of 1 patent)

19 patents: Sort by Forward Citations

1. 6572610 - Cryogenic catheter with deflectable tip (2003-06-03),

2. 6537271 - Balloon cryogenic catheter (2003-03-25),

3. 6530234 - Precooling system for Joule-Thomson probe (2003-03-11),

4. 6475212 - Cryosurgical probe with sheath (2002-11-05),

5. 6471694 - Control system for cryosurgery (2002-10-29),

6. 6471217 - Sealing assembly (2002-10-29),

7. 6451012 - Cryosurgical method for endometrial ablation (2002-09-17),

8. 6270494 - Stretchable cryoprobe sheath (2001-08-07),

9. 6241722 - Cryogenic device, system and method of using same (2001-06-05),

10. 6237355 - Precooled cryogenic ablation system (2001-05-29),

11. 6193644 - Cryosurgical probe with sheath (2001-02-27),

12. 6182666 - Cryosurgical probe and method for uterine ablation (2001-02-06),

13. 6151901 - Miniature mixed gas refrigeration system (2000-11-28),

14. 6074572 - Gas mixture for cryogenic applications (2000-06-13),

15. 6035657 - Flexible catheter cryosurgical system (2000-03-14),

Cryogen, Inc. is a leading provider of cryogenic equipment and solutions. With over 20 years of experience in the industry, we offer a wide range of products and services including cryogenic storage tanks, vaporizers, and custom cryogenic systems. Our team of experts is dedicated to providing high-quality, reliable solutions to meet the needs of our customers in various industries such as healthcare, aerospace, and research. Visit our website to learn more about our products and services.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

19 Patents

#295 in San Diego, CA

#3,964 in California

#16,592 in US

#31,670 in the World

San Diego, CA, United States of America

Cryogen, Inc.

Forward Citations = 1,310

16 inventors:

John Daniel Dobak, Iii (9 out of 115 patents)

Xiaoyu Yu (5 out of 16 patents)

Kambiz Ghaerzadeh (5 out of 7 patents)

4. Hong Li (5 out of 12 patents)

5. Ray Radebaugh (4 out of 6 patents)

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