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For the Inventor, By the Inventor

St. Louis, MO, United States of America

Permea, Inc.


USPTO Granted Patents = 20


Trademarks = 3

Forward Citations = 652

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27 inventors (with patents filed for the assignee):

goldMedal Clint A Cruse (4 out of 4 patents)

silverMedal Milton K Murphy (4 out of 9 patents)

bronzeMedal Raymond F Malon (4 out of 13 patents)

4.  Jianguo Xu (3 out of 39 patents)

5.  John K Page (3 out of 5 patents)

6.  Steven R Auvil (3 out of 27 patents)

7.  Arthur W Rice (3 out of 7 patents)

8.  Donald Joseph Stookey (2 out of 6 patents)

9.  Dilip G Kalthod (2 out of 7 patents)

10.  Robert E Kesting (2 out of 2 patents)

11.  Alfred K Fritzsche (2 out of 2 patents)

12.  Rodney John Allam (1 out of 120 patents)

13.  Kenneth Jones (1 out of 7 patents)

14.  Jung Soo Choe (1 out of 12 patents)

15.  James Christian Sorensen (1 out of 9 patents)


20 patents:

1. 6138995 - Dispense of beverage containing controlled levels of dissolved gas (2000-10-31),
2. 5779897 - Hollow fiber membrane device with inert filaments randomly distributed (1998-07-14),
3. 5655570 - Condensate drain device (1997-08-12),
4. 5641337 - Process for the dehydration of a gas (1997-06-24),
5. 5565149 - Control of dissolved gases in liquids (1996-10-15),
6. 5306427 - Low pressure feed membrane separation process (1994-04-26),
7. 5306331 - Process for cooling the feed gas to gas separation systems (1994-04-26),
8. 5282969 - High pressure feed membrane separation process (1994-02-01),
9. 5259869 - Use of membrane separation to dry gas streams containing water vapor (1993-11-09),
10. 5252219 - Compressed permeate sweep membrane separation process (1993-10-12),
11. 5215554 - Membranes having enhanced selectivity and method of producing such (1993-06-01),
12. 5207906 - Membrane separation module (1993-05-04),
13. 5131929 - Pressure control for improved gas dehydration in systems which employ (1992-07-21),
14. 5030251 - System and method for separating a portion of a gas from a mixture of (1991-07-09),
15. 5013767 - Asymmetric gas separation membranes having improved strength (1991-05-07),
Company Overview
Permea, Inc. is a technology-driven company based in St. Louis, MO, specializing in advanced membrane solutions for various applications. The organization focuses on developing innovative separation technologies that enhance efficiency and sustainability across industries such as water treatment, gas processing, and chemical manufacturing. With a commitment to research and development, Permea aims to provide cutting-edge solutions that address critical challenges in resource management and environmental impact.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

20 Patents

#107 in St. Louis, MO

#233 in Missouri

#16,409 in US

#31,295 in the World

St. Louis, MO (US)
St. Louis, MO, United States of America

Permea, Inc.

Forward Citations = 652

27 inventors:

goldMedal Clint A Cruse (4 out of 4 patents)

silverMedal Milton K Murphy (4 out of 9 patents)

bronzeMedal Raymond F Malon (4 out of 13 patents)

4.  Jianguo Xu (3 out of 39 patents)

5.  John K Page (3 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Permea, Inc.. Retrieved from https://idiyas.com/company/permea

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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