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For the Inventor, By the Inventor

Newport, DE, United States of America

Compact Membrane Systems, Inc.


USPTO Granted Patents = 16



Forward Citations = 271

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13 inventors (with patents filed for the assignee):

goldMedal Sudipto Majumdar (7 out of 11 patents)

silverMedal Ning Shangguan (6 out of 6 patents)

bronzeMedal Andrew Edward Feiring (6 out of 85 patents)

4.  Stuart Marshall Nemser (6 out of 20 patents)

5.  Robert Daniel Lousenberg (4 out of 19 patents)

6.  Kenneth Evan Loprete (3 out of 3 patents)

7.  Jay Olpin (2 out of 2 patents)

8.  Yosuke Koizumi (1 out of 1 patent)

9.  Jonathan Lazzeri (1 out of 1 patent)

10.  Kevin Patrick Callaghan (1 out of 2 patents)

11.  Ashokkumar Bhikkappa Shenvi (1 out of 29 patents)

12.  Louis Himelreich (1 out of 1 patent)

13.  Todd Colin Reppert (1 out of 1 patent)

14.  Yosuke Koizumi (0 patent)


16 patents:

1. 12370502 - Carbon dioxide separation membranes and process (2025-07-29),
2. 12357948 - Humidification and selective permeation module (2025-07-15),
3. 12151212 - Method for humidifying facilitated-transport membranes (2024-11-26),
4. 11905350 - Gas permeable fluoropolymers and ionomers (2024-02-20),
5. 11318423 - Processes for separation of aromatic compounds using a thin film composite membrane (2022-05-03),
6. 11058998 - Isomer separation with highly fluorinated polymer membranes (2021-07-13),
7. 10639591 - Thin-film composite membrane and processes for the separation of alkenes from a gaseous feed mixture (2020-05-05),
8. 10596527 - Amorphous fluorinated copolymer gas separation membranes (2020-03-24),
9. 10399044 - Thin film composite membranes for separation of alkenes from alkanes (2019-09-03),
10. 10029248 - Membrane separation of olefin and paraffin mixtures (2018-07-24),
11. 9463450 - Polymeric acid catalysis (2016-10-11),
12. 6126721 - Oxygen enriched air supply apparatus (2000-10-03),
13. 5960777 - Combustion engine air supply system (1999-10-05),
14. 5914154 - Non-porous gas permeable membrane (1999-06-22),
15. 5902747 - Method of gasifying or degasifying a liquid containing cells (1999-05-11),
Company Overview
Compact Membrane Systems, Inc. is a technology-driven company based in Newport, Delaware, specializing in advanced membrane separation technologies. The organization focuses on developing innovative solutions for gas separation and purification, catering to various industries including energy, chemical processing, and water treatment. By leveraging proprietary membrane materials and processes, Compact Membrane Systems aims to enhance efficiency and sustainability in separation applications, contributing to cleaner and more efficient industrial practices.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

16 Patents

#2 in Newport, DE

#311 in Delaware

#19,907 in US

#37,788 in the World

Newport, DE (US)
Newport, DE, United States of America

Compact Membrane Systems, Inc.

Forward Citations = 271

13 inventors:

goldMedal Sudipto Majumdar (7 out of 11 patents)

silverMedal Ning Shangguan (6 out of 6 patents)

bronzeMedal Andrew Edward Feiring (6 out of 85 patents)

4.  Stuart Marshall Nemser (6 out of 20 patents)

5.  Robert Daniel Lousenberg (4 out of 19 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Compact Membrane Systems, Inc.. Retrieved from https://idiyas.com/company/compact-membrane-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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