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For the Inventor, By the Inventor

Waltham, MA, United States of America

Fresenius Medical Care Holdings, Inc.


USPTO Granted Patents = 647



Trademarks = 54

Forward Citations = 5,376

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417 inventors (with patents filed for the assignee):

goldMedal Martin Joseph Crnkovich (98 out of 101 patents)

silverMedal David Yuds (56 out of 56 patents)

bronzeMedal Barry Neil Fulkerson (55 out of 57 patents)

4.  Kulwinder S Plahey (52 out of 53 patents)

5.  Peter Kotanko (52 out of 52 patents)

6.  Fei Wang (44 out of 45 patents)

7.  Colin Weaver (40 out of 41 patents)

8.  Lynn E Jensen (37 out of 39 patents)

9.  Roland Levin (32 out of 32 patents)

10.  Louis Leegrande Barrett (31 out of 33 patents)

11.  Stephan Thijssen (27 out of 27 patents)

12.  Michael James Beiriger (26 out of 27 patents)

13.  Diego Suarez Del Real Pena (21 out of 21 patents)

14.  Mark Smith (20 out of 20 patents)

15.  Perry N Law (20 out of 27 patents)


Core Competencies:
Extracorporeal Devices
Chronic Kidney Disease
Peritoneal Dialysis
Medical Fluid Detection
Dialysis Patient Profiles
Smart Dialysis Systems
Medical Device Troubleshooting
Sorbent Devices
Augmented Reality Training
Vascular Access Systems
Conductivity Control
Health Monitoring Systems

647 patents:

1. 12502465 - Dialysis treatment file simulation and verification system (2025-12-23),
2. D1104260 - Linear blood flow chamber (2025-12-02),
3. 12478717 - Extracorporeal device and method for removal of secondary membrane (2025-11-25),
4. 12472293 - Predicting ultrafiltration volume in peritoneal dialysis patients (2025-11-18),
5. 12472291 - Techniques for determining dialysis patient profiles (2025-11-18),
6. 12471843 - Systems and methods for treating and estimating progression of chronic kidney disease (2025-11-18),
7. 12470630 - Managing communications with a connected health system (2025-11-11),
8. 12465676 - Determining a modality of an extracorporeal blood circuit (2025-11-11),
9. 12465673 - Syringe warmer (2025-11-11),
10. 12427234 - Medical fluid cassette leak detection methods and devices (2025-09-30),
11. 12423070 - Software tool for deriving colors from a reference color by varying color characteristics (2025-09-23),
12. 12420001 - Calculating a depletion time during dialysis (2025-09-23),
13. 12412265 - Medical device troubleshooting using computational models (2025-09-09),
14. 12409420 - Polymeric membrane and methods for the production of same (2025-09-09),
15. 12403639 - Dialyzer manufacturing tool (2025-09-02),
Fresenius Medical Care Holdings, Inc. is a leading provider of kidney dialysis services and renal care products. They offer a comprehensive range of dialysis equipment, disposable products, pharmaceuticals, and related services for individuals with chronic kidney failure. With a commitment to improving the quality of life of their patients, Fresenius Medical Care is dedicated to delivering high-quality, cost-effective healthcare solutions.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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647 Patents

#2 in Waltham, MA

#46 in Massachusetts

#742 in US

#1,487 in the World

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Waltham, MA, United States of America

Fresenius Medical Care Holdings, Inc.

Forward Citations = 5,376

417 inventors:

goldMedal Martin Joseph Crnkovich (98 out of 101 patents)

silverMedal David Yuds (56 out of 56 patents)

bronzeMedal Barry Neil Fulkerson (55 out of 57 patents)

4.  Kulwinder S Plahey (52 out of 53 patents)

5.  Peter Kotanko (52 out of 52 patents)

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