Forward Citations = 151

Loading Chart...

5 inventors (with patents filed for the assignee):

Anker Gram (3 out of 14 patents)

John V O'Brien (1 out of 10 patents)

Richard B Hopewell (1 out of 5 patents)

4. John W Bonn (1 out of 10 patents)

5. Robert A Wojnarowski (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 5787940 - Cryogenic fluid system and method of pumping cryogenic fluid (1998-08-04),

2. 5477690 - Liquid cryogenic storage tank system (1995-12-26),

3. 5411374 - Cryogenic fluid pump system and method of pumping cryogenic fluid (1995-05-02),

4. 5345772 - Single column distillative separation employing bottom additives (1994-09-13),

5. 5176002 - Method of controlling vapor loss from containers of volatile chemicals (1993-01-05),

Company Overview

Process Systems International, Inc. (PSI) is a leading engineering consulting firm specializing in process safety, automation, and operations optimization. With over 30 years of experience, PSI serves clients in the chemical, petrochemical, and oil & gas industries worldwide. Their expert team provides innovative solutions to improve efficiency, safety, and profitability for their clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#32 in Westborough, MA

#2,892 in Massachusetts

#51,570 in US

Westborough, MA, United States of America

Process Systems International, Inc.

Forward Citations = 151

5 inventors:

Anker Gram (3 out of 14 patents)

John V O'Brien (1 out of 10 patents)

Richard B Hopewell (1 out of 5 patents)

4. John W Bonn (1 out of 10 patents)

5. Robert A Wojnarowski (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Process Systems International, Inc.. Retrieved from https://idiyas.com/company/process-systems-international

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]