For the Inventor, By the Inventor

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Minneapolis, MN, United States of America

Renal Systems, Inc.

USPTO Granted Patents = 21

Trademarks = 1

Forward Citations = 1,532

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22 inventors (with patents filed for the assignee):

Louis C Cosentino (18 out of 46 patents)

Felix J Martinez (6 out of 9 patents)

Larry E Fuller (4 out of 8 patents)

4. John P Silbernagel (3 out of 3 patents)

5. Bill H Niemi (2 out of 6 patents)

6. Stuart L Gallant (2 out of 4 patents)

7. Jamshed R Cooper (2 out of 2 patents)

8. Wayne I Nelson (2 out of 2 patents)

9. Richard A Ward (1 out of 3 patents)

10. Elias Klein (1 out of 17 patents)

11. Peter Stasz (1 out of 17 patents)

12. LeRoy J Fischbach (1 out of 4 patents)

13. Richard A Helms (1 out of 7 patents)

14. Harold Lee Massie (1 out of 1 patent)

15. B Steven Springrose (1 out of 2 patents)

21 patents: Sort by Forward Citations

1. 4664891 - Dialysis solution preparation from prepackaged dry chemicals (1987-05-12),

2. 4645645 - Oxygenator having an improved heat exchanger (1987-02-24),

3. 4645494 - Peritoneal device system (1987-02-24),

4. 4517081 - Dialyzer reuse machine (1985-05-14),

5. 4496350 - Blood access device (1985-01-29),

6. 4496349 - Percutaneous implant (1985-01-29),

7. 4488877 - Percutaneous implant for peritoneal dialysis (1984-12-18),

8. 4417888 - Percutaneous implant (1983-11-29),

9. 4405320 - Septum retaining means for percutaneous device (1983-09-20),

10. 4405319 - Porous titanium coating for blood access device (1983-09-20),

11. 4386634 - Proportioning system (1983-06-07),

12. 4363609 - Blood pump system (1982-12-14),

13. 4221543 - Bloom pump system (1980-09-09),

14. 4163722 - Universal dialyzer end cap (1979-08-07),

15. 4142414 - Ultrasonic flow meter (1979-03-06),

Renal Systems, Inc. is a leading provider of innovative solutions for renal care. With a focus on improving the quality of life for patients with kidney disease, we offer a range of products and services including hemodialysis machines, dialyzers, and peritoneal dialysis solutions. Our team of experts is dedicated to delivering exceptional products that meet the highest standards of quality and safety.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

21 Patents

#82 in Minneapolis, MN

#455 in Minnesota

#15,151 in US

#29,031 in the World

Minneapolis, MN, United States of America

Renal Systems, Inc.

Forward Citations = 1,532

22 inventors:

Louis C Cosentino (18 out of 46 patents)

Felix J Martinez (6 out of 9 patents)

Larry E Fuller (4 out of 8 patents)

4. John P Silbernagel (3 out of 3 patents)

5. Bill H Niemi (2 out of 6 patents)

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