Parsons & Whittemore, Inc.

Calculating rank

USPTO Granted Patents = 2

Forward Citations = 38

Loading Chart...

5 inventors (with patents filed for the assignee):

Hugh Hambly (1 out of 1 patent)

Brian Thornton (1 out of 1 patent)

Douglas E Eveleigh (1 out of 3 patents)

4. Clarence R Waldron (1 out of 1 patent)

5. Timothy Bartley (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6216729 - Bidirectional check valve for hydraulic system (2001-04-17),

2. 4628029 - Method for the conversion of a cellulosic substrate to glucose using (1986-12-09),

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#7 in Rye Brook, NY

#5,859 in New York

#94,953 in US

Rye Brook, NY, United States of America

Parsons & Whittemore, Inc.

Forward Citations = 38

5 inventors:

Hugh Hambly (1 out of 1 patent)

Brian Thornton (1 out of 1 patent)

Douglas E Eveleigh (1 out of 3 patents)

4. Clarence R Waldron (1 out of 1 patent)

5. Timothy Bartley (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Parsons & Whittemore, Inc.. Retrieved from https://idiyas.com/company/parsons-and-whittemore

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]