For the Inventor, By the Inventor

Enter assignee name

New York, NY, United States of America

Nephros Inc.

Calculating rank

USPTO Granted Patents = 25

% Expired Patents = 44.0

EPO Patents = 7

Trademarks = 10

Forward Citations = 959

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11 inventors (with patents filed for the assignee):

Gregory R Collins (22 out of 23 patents)

James Summerton (20 out of 20 patents)

Edward C Spence (12 out of 12 patents)

4. Michael Milman (3 out of 3 patents)

5. Norman Barta (3 out of 3 patents)

6. Donald W Landry (1 out of 85 patents)

7. Andy H Uchida (1 out of 21 patents)

8. Daron Gareth Evans (1 out of 3 patents)

9. Giuseppe Palumbo (1 out of 1 patent)

10. Evan Stuart Garfein (1 out of 2 patents)

11. Howard R Levin (1 out of 131 patents)

12. Edward Spence (0 patent)

Core Competencies:

Fluid Purification

Hemodiafiltration

Ultrafilter

Portable Filter

Dialysis Machine

Filtration Cartridge

Infusion Fluid

Diafiltration

Manual Pumping

Sterile Fluid

High Efficiency

Redundant Systems

25 patents: Sort by Forward Citations

1. 11964238 - Method and apparatus for forward and reverse flushable filter system (2024-04-23),

2. 10821216 - Method and apparatus for a hemodiafiltration module for use with a dialysis machine (2020-11-03),

3. 9492793 - Method and apparatus of flush pump feature for portable liquid purifying filter (2016-11-15),

4. 9120058 - Method and apparatus of flush pump feature for portable liquid purifying filter (2015-09-01),

5. 8640882 - Compact fluid purification device with manual pumping mechanism (2014-02-04),

6. 8557115 - Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration (2013-10-15),

7. 8343347 - Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration packs (2013-01-01),

8. 8281937 - Compact fluid purification device with manual pumping mechanism (2012-10-09),

9. 7775375 - Redundant ultrafiltration device (2010-08-17),

10. 7534349 - Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration packs (2009-05-19),

11. 7306736 - Valve mechanism for infusion fluid systems (2007-12-11),

12. 7285106 - Hemodiafiltration/hemofiltration cartridges (2007-10-23),

13. 7108790 - Method and apparatus for generating a sterile infusion fluid (2006-09-19),

14. 7074332 - Multistage hemodiafiltration/hemofiltration method and apparatus (2006-07-11),

15. 7067060 - Ionic enhanced dialysis/diafiltration system (2006-06-27),

Company Overview

Nephros Inc. is a medical device company based in New York, specializing in innovative filtration technologies for healthcare applications. The company focuses on developing products that enhance water quality and safety, particularly in dialysis and other medical settings. Nephros is dedicated to advancing renal care through its proprietary technologies, which aim to improve patient outcomes and streamline healthcare processes. Its commitment to research and development positions it as a key player in the medical device industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

25 Patents

#339 in New York, NY

#788 in New York

#13,379 in US

#25,748 in the World

New York, NY, United States of America

Nephros Inc.

Forward Citations = 959

11 inventors:

Gregory R Collins (22 out of 23 patents)

James Summerton (20 out of 20 patents)

Edward C Spence (12 out of 12 patents)

4. Michael Milman (3 out of 3 patents)

5. Norman Barta (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nephros Inc.. Retrieved from https://idiyas.com/company/nephros

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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