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Garfield, NJ, United States of America

Membrex, Inc.

USPTO Granted Patents = 12

Trademarks = 1

Forward Citations = 498

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10 inventors (with patents filed for the assignee):

Philip M Rolchigo (6 out of 21 patents)

Leonard Timbrook Hodgins (6 out of 18 patents)

Guanghua Yu (3 out of 6 patents)

4. Iosif Shmidt (3 out of 3 patents)

5. Mario Badiali (3 out of 3 patents)

6. Malcolm Kahn (2 out of 19 patents)

7. Edgar Samuelson (1 out of 4 patents)

8. Michael S Rashev (1 out of 3 patents)

9. Edgar Samuelsen (1 out of 2 patents)

10. Chang W Jen (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 5993674 - Rotary disc filtration device with means to reduce axial forces (1999-11-30),

2. 5944998 - Rotary filtration device with flow-through inner member (1999-08-31),

3. 5820690 - Cleaning processes using cleaners exhibiting cloud point behavior (1998-10-13),

4. 5707517 - Immersible rotary disc filtration device (1998-01-13),

5. 5254250 - Rotary filtration device and filter pack therefor (1993-10-19),

6. 5143630 - Rotary disc filtration device (1992-09-01),

7. 5000848 - Rotary filtration device with hyperphilic membrane (1991-03-19),

8. 4911847 - Process for controlling the permeate composition in a rotary filtration (1990-03-27),

9. 4906379 - Hydrophilic article and method of producing same (1990-03-06),

10. 4876013 - Small volume rotary filter (1989-10-24),

11. 4867878 - Liquid bearing for rotary apparatus (1989-09-19),

12. 4790942 - Filtration method and apparatus (1988-12-13),

Membrex, Inc. is a leading provider of innovative membrane technologies for water and wastewater treatment. With over 20 years of experience, Membrex is dedicated to providing sustainable solutions for a wide range of industries including municipal, industrial, and commercial clients. Our membrane products are designed for high performance and reliability, helping our customers achieve clean and safe water resources while reducing environmental impact.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

12 Patents

#3 in Garfield, NJ

#953 in New Jersey

#24,782 in US

#46,701 in the World

Garfield, NJ, United States of America

Membrex, Inc.

Forward Citations = 498

10 inventors:

Philip M Rolchigo (6 out of 21 patents)

Leonard Timbrook Hodgins (6 out of 18 patents)

Guanghua Yu (3 out of 6 patents)

4. Iosif Shmidt (3 out of 3 patents)

5. Mario Badiali (3 out of 3 patents)

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