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For the Inventor, By the Inventor

Franklin, MA, United States of America

Plc Medical Systems, Inc.


USPTO Granted Patents = 40

% Expired Patents = 15.0



Trademarks = 4

Forward Citations = 1,975

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26 inventors (with patents filed for the assignee):

goldMedal Robert I Rudko (25 out of 36 patents)

silverMedal Stephen J Linhares (18 out of 22 patents)

bronzeMedal Charles Christopher Negus (17 out of 18 patents)

4.  Mark Gelfand (9 out of 216 patents)

5.  Mark Tauscher (9 out of 13 patents)

6.  Eileen A Woodruff (8 out of 9 patents)

7.  Howard R Levin (7 out of 131 patents)

8.  Richard P Yeomans, Jr (6 out of 6 patents)

9.  Robert R Andrews (5 out of 42 patents)

10.  Andrew Victor Halpert (4 out of 41 patents)

11.  J Ricardo Da Silva (2 out of 3 patents)

12.  Wieslaw Gronek (2 out of 4 patents)

13.  Stephen M Perez (2 out of 3 patents)

14.  Italo J DeSantis (2 out of 2 patents)

15.  Weslaw Gronek (2 out of 2 patents)


Core Competencies:
Kidney Protection
Fluid Therapy
Patient Hydration
Endovascular Tissue Removal
Myocardial Revascularization
Surgical Laser
Energy Delivery
ECG Monitoring
Laser Handpiece
Sensor System
Catheter Navigation
Ultrasonic Detection

40 patents:

1. 10881774 - Method and system to protect kidneys during surgery (2021-01-05),
2. 10639419 - Fluid therapy method (2020-05-05),
3. 10045734 - Fluid replacement device (2018-08-14),
4. 9526833 - Patient hydration system with bolus function (2016-12-27),
5. 8444623 - Patient hydration method (2013-05-21),
6. 8075513 - Patient connection system for a balance hydration unit (2011-12-13),
7. 8007460 - Patient hydration system and method (2011-08-30),
8. 7938817 - Patient hydration system and method (2011-05-10),
9. 7837667 - Patient hydration system with abnormal condition sensing (2010-11-23),
10. 7758563 - Patient hydration monitoring and maintenance system and method for use with administration of a diuretic (2010-07-20),
11. 7758562 - Patient hydration system with a redundant monitoring of hydration fluid infusion (2010-07-20),
12. 7736354 - Patient hydration system with hydration state detection (2010-06-15),
13. 7727222 - Patient hydration system with taper down feature (2010-06-01),
14. 7537592 - Endovascular tissue removal device (2009-05-26),
15. 7377916 - Endovascular tissue removal device (2008-05-27),
Company Overview
Plc Medical Systems, Inc. is a medical technology company based in Franklin, MA, specializing in innovative solutions for cardiovascular and renal health. The company focuses on developing advanced medical devices and therapies aimed at kidney protection, fluid therapy, and patient hydration. Their expertise extends to endovascular tissue removal, heart valve sizing, and myocardial revascularization, including surgical laser systems and transmyocardial revascularization techniques. Plc Medical is committed to enhancing patient outcomes through cutting-edge medical advancements.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

40 Patents

#4 in Franklin, MA

#496 in Massachusetts

#8,628 in US

#17,068 in the World

Franklin, MA (US)
Franklin, MA, United States of America

Plc Medical Systems, Inc.

Forward Citations = 1,975

26 inventors:

goldMedal Robert I Rudko (25 out of 36 patents)

silverMedal Stephen J Linhares (18 out of 22 patents)

bronzeMedal Charles Christopher Negus (17 out of 18 patents)

4.  Mark Gelfand (9 out of 216 patents)

5.  Mark Tauscher (9 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Plc Medical Systems, Inc.. Retrieved from https://idiyas.com/company/plc-medical-systems

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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