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Bad Homburg, Germany

Fresenius Ag

USPTO Granted Patents = 171

% Expired Patents = 1.2

CIPO Patents = 2

EPO Patents = 4

Trademarks = 7

Forward Citations = 12,790

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151 inventors (with patents filed for the assignee):

Hans-Dietrich Polaschegg (36 out of 37 patents)

Bernd Mathieu (23 out of 27 patents)

Wolfram Weber (18 out of 22 patents)

4. Klaus Heilmann (12 out of 23 patents)

5. Artur Meisberger (11 out of 23 patents)

6. Wolfgang Biesel (9 out of 16 patents)

7. Klaus Sommermeyer (9 out of 26 patents)

8. Hans-Jurgen Neumann (9 out of 10 patents)

9. Bernd Steinbach (7 out of 27 patents)

10. Ulrich Faeser (6 out of 6 patents)

11. Klaus Metzner (5 out of 9 patents)

12. Thomas Nicola (5 out of 6 patents)

13. Friedrich Witthaus (5 out of 8 patents)

14. Reinhold Herbert (5 out of 5 patents)

15. Thomas Pusinelli (4 out of 14 patents)

Core Competencies:

Blood Separation

Dialysis Solutions

Sterile Connectors

Autotransfusion

Centrifuge

Medical Bags

Hemodialysis

Infusion Pumps

Biosensors

Hydroxyethyl Starch

Fluid Flow Control

Aqueous Disinfecting Agent

171 patents: Sort by Forward Citations

1. 7070589 - Sterility-maintaining connection system for medical systems and use thereof (2006-07-04),

2. 7041175 - Method for the continuous production of hydrolytically broken down and possibly substituted starch, use of hydrolytically broken down starch and device for producing same (2006-05-09),

3. 6814862 - Method and apparatus for processing intra or postoperative blood loss for autotransfusion (2004-11-09),

4. 6770049 - Method of filling a tube system with a rinsing liquid and a tube system for use with this method (2004-08-03),

5. 6488860 - Device and method for separating blood into blood components (2002-12-03),

6. 6485479 - Sterile connector (2002-11-26),

7. 6454736 - Method of filling a tube system with a rinsing liquid and a tube system for use with this method (2002-09-24),

8. 6364143 - Sterile connector for containers which contain medicinal liquids (2002-04-02),

9. 6362887 - Device for measuring changes in parameters within transparent objects (2002-03-26),

10. 6299784 - Method and apparatus for processing intra- or postoperative blood loss for autotransfusion (2001-10-09),

11. 6284140 - Dialysis solution for peritoneal dialysis (2001-09-04),

12. 6280375 - Flow-through centrifuge for centrifuging biological fluids (2001-08-28),

13. 6277060 - Centrifuge chamber for a cell separator having a spiral separation chamber (2001-08-21),

14. 6273849 - Centrifuge and line for supplying and/or removing at least one fluid from the separation unit of a centrifuge to a stationary connection (2001-08-14),

15. 6212936 - Ultrasonic transmitter particularly for an air bubble detector (2001-04-10),

Fresenius AG is a global healthcare company providing products and services for dialysis, hospitals, and outpatient care. With over 300,000 employees in more than 100 countries, Fresenius focuses on improving the quality of life for patients with chronic diseases. Their activities include the production and distribution of pharmaceuticals and medical devices, as well as the operation of hospitals, clinics, and rehabilitation centers. Through their innovative solutions, Fresenius strives to make a positive impact on healthcare worldwide.

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

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USPTO Data Jan 1 1976 - Sep 15 2026

171 Patents

#3 in Bad Homburg

#349 in Germany

#4,831 in the World

Bad Homburg, Germany

Fresenius Ag

Forward Citations = 12,790

151 inventors:

Hans-Dietrich Polaschegg (36 out of 37 patents)

Bernd Mathieu (23 out of 27 patents)

Wolfram Weber (18 out of 22 patents)

4. Klaus Heilmann (12 out of 23 patents)

5. Artur Meisberger (11 out of 23 patents)

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