% Expired Patents = 66.7

Trademarks = 2

Forward Citations = 35

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2 inventors (with patents filed for the assignee):

C James Sheppard (2 out of 3 patents)

James Wilson (1 out of 47 patents)

3 patents: Sort by Forward Citations

1. 6957659 - Sliding disk valve for pneumatic conveyance of abrasive material (2005-10-25),

2. 6845783 - Sliding disk valve for pneumatic conveyance of abrasive material (2005-01-25),

3. 5396919 - Rotating disc valve (1995-03-14),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#24 in South Plainfield, NJ

#2,658 in New Jersey

#73,904 in US

South Plainfield, NJ, United States of America

Everlasting Valve Company, Inc.

Forward Citations = 35

2 inventors:

C James Sheppard (2 out of 3 patents)

James Wilson (1 out of 47 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Everlasting Valve Company, Inc.. Retrieved from https://idiyas.com/company/everlasting-valve-company

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]