Forward Citations = 11

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3 inventors (with patents filed for the assignee):

William P Robinson (1 out of 2 patents)

Harvard B Kolm (1 out of 1 patent)

John R Blatner (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4577652 - Nozzle and impingement plate valve (1986-03-25),

2. 4385642 - Bi-stable electrically operated valve (1983-05-31),

3. 4285363 - Control valve construction (1981-08-25),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#91 in Buffalo, NY

#4,516 in New York

#73,860 in US

Buffalo, NY, United States of America

Hydraulic Servocontrols Corporation

Forward Citations = 11

3 inventors:

William P Robinson (1 out of 2 patents)

Harvard B Kolm (1 out of 1 patent)

John R Blatner (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hydraulic Servocontrols Corporation. Retrieved from https://idiyas.com/company/hydraulic-servocontrols

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]