Critical Fluid Systems, Inc.

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USPTO Granted Patents = 3

Forward Citations = 213

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5 inventors (with patents filed for the assignee):

J Edward Vivian (2 out of 2 patents)

Richard P DeFilippi (2 out of 2 patents)

Richard P De Filippi (1 out of 2 patents)

4. Bruce M Putnam (1 out of 1 patent)

5. Christopher P Eppig (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4434028 - Apparatus for removing organic contaminants from inorganic-rich mineral (1984-02-28),

2. 4375387 - Apparatus for separating organic liquid solutes from their solvent (1983-03-01),

3. 4349415 - Process for separating organic liquid solutes from their solvent mixtures (1982-09-14),

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USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#491 in Cambridge, MA

#3,965 in Massachusetts

#73,929 in US

Cambridge, MA, United States of America

Critical Fluid Systems, Inc.

Forward Citations = 213

5 inventors:

J Edward Vivian (2 out of 2 patents)

Richard P DeFilippi (2 out of 2 patents)

Richard P De Filippi (1 out of 2 patents)

4. Bruce M Putnam (1 out of 1 patent)

5. Christopher P Eppig (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Critical Fluid Systems, Inc.. Retrieved from https://idiyas.com/company/critical-fluid-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]