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Winston-Salem, NC, United States of America

C Change Surgical LLC

USPTO Granted Patents = 25

CIPO Patents = 5

EPO Patents = 1

Forward Citations = 386

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6 inventors (with patents filed for the assignee):

Patrick Kammer (25 out of 26 patents)

Kevin Joseph Rackers (19 out of 29 patents)

Todd Cassidy (10 out of 13 patents)

4. Mark Martel (10 out of 12 patents)

5. Philip Morrison Allred, Iii (3 out of 11 patents)

6. Benjamin A Perrot (3 out of 4 patents)

7. Philip Morrison Allred (0 patent)

8. Philip Morrison Allred (0 patent)

25 patents: Sort by Forward Citations

1. 11819451 - Injectable slush feed supply (2023-11-21),

2. 10575984 - Sterile sleeve for use in the production of surgical slush (2020-03-03),

3. 10231866 - Producing sterile surgical slush using complex rotational motion (2019-03-19),

4. 9693892 - Method of producing slush for surgical use through receptacle oscillation (2017-07-04),

5. 9561895 - Use of sterile sleeve in production of surgical slush (2017-02-07),

6. 9549843 - Production of well-mixed surgical slush (2017-01-24),

7. D765836 - Container for formation of surgical slush (2016-09-06),

8. D765835 - Container for formation of surgical slush (2016-09-06),

9. 9326667 - Anti-fogging and cleaning apparatus for medical scopes (2016-05-03),

10. 8523082 - Open access sleeve for heated fluid units (2013-09-03),

11. 8309891 - Adapter for use with a liquid warming device (2012-11-13),

12. 8308074 - Open access sleeve for heated fluid units (2012-11-13),

13. 8138454 - Liquid warming device with basin detection (2012-03-20),

14. 7903957 - Methods using a draped liquid warming device (2011-03-08),

15. 7874167 - Method and apparatus for producing slush for surgical use (2011-01-25),

C Change Surgical LLC is a medical device company specializing in innovative surgical equipment and solutions. We design and manufacture high-quality products that enhance surgical performance and improve patient outcomes. With a focus on continuous innovation and cutting-edge technologies, our goal is to revolutionize the surgical industry and provide surgeons with the tools they need to achieve optimal results. Visit our website to learn more about our products and how we are transforming the future of surgery.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

25 Patents

#13 in Winston-Salem, NC

#303 in North Carolina

#12,903 in US

#24,910 in the World

Winston-Salem, NC, United States of America

C Change Surgical LLC

Forward Citations = 386

6 inventors:

Patrick Kammer (25 out of 26 patents)

Kevin Joseph Rackers (19 out of 29 patents)

Todd Cassidy (10 out of 13 patents)

4. Mark Martel (10 out of 12 patents)

5. Philip Morrison Allred, Iii (3 out of 11 patents)

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