For the Inventor, By the Inventor

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Cambridge, MA, United States of America

Critical Fluid Systems, Inc.

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 - Dec 30 2025

3 Patents

#455 in Cambridge, MA

#3,875 in Massachusetts

#72,023 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)

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