Forward Citations = 87

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5 inventors (with patents filed for the assignee):

Vincent R Farnsworth (7 out of 16 patents)

Paul K Cartier, Iii (3 out of 4 patents)

Vincent R Fransworth (1 out of 1 patent)

4. Paul F Cartier, Iii (1 out of 2 patents)

5. Vincent P Farnsworth (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 5316034 - Valve block assembly (1994-05-31),

2. 5270213 - Protein sequencing (1993-12-14),

3. 5167397 - Diaphragm valve with mechanically linked diaphragm (1992-12-01),

4. 5137765 - Derivatized glass supports for peptide and protein sequencing (1992-08-11),

5. 5083746 - Diaphragm valve with mechanically linked diaphragm (1992-01-28),

6. 5082788 - Method of sequencing peptides and proteins using a valve block assembly (1992-01-21),

7. 4992383 - Method for protein and peptide sequencing using derivatized glass (1991-02-12),

8. 4911195 - Valve block assembly (1990-03-27),

9. 4773446 - Valve block assembly (1988-09-27),

Company Overview

Porton Instruments, Inc. is a leading provider of precision measurement equipment for the scientific and industrial sectors. With a focus on creating innovative solutions for temperature, pressure, and flow measurement, Porton Instruments is known for their high-quality products and exceptional customer service. Their products are trusted by customers around the world for their accuracy and reliability.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

9 Patents

#2 in Tarzana, CA

#7,745 in California

#32,605 in US

Tarzana, CA, United States of America

Porton Instruments, Inc.

Forward Citations = 87

5 inventors:

Vincent R Farnsworth (7 out of 16 patents)

Paul K Cartier, Iii (3 out of 4 patents)

Vincent R Fransworth (1 out of 1 patent)

4. Paul F Cartier, Iii (1 out of 2 patents)

5. Vincent P Farnsworth (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Porton Instruments, Inc.. Retrieved from https://idiyas.com/company/porton-instruments

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]