Pittsburgh, PA, United States of America

Selwyn Raymond Rackoff

This inventor holds 2 USPTO granted patents. Top assignee: Asko, Inc.. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Selwyn Raymond Rackoff. Retrieved from https://idiyas.com/inventor/selwyn-raymond-rackoff

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 1977

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2 patents (USPTO):Explore Patents

Title: Selwyn Raymond Rackoff: Innovator in Hydraulic Technology

Introduction

Selwyn Raymond Rackoff is a notable inventor based in Pittsburgh, PA (US). He has made significant contributions to the field of hydraulic technology, holding 2 patents that showcase his innovative approach to engineering challenges.

Latest Patents

Rackoff's latest patents include a roll assembly designed for reducing rod and similar materials. This invention secures the rolls against rotation on their arbor through force applied to the sides of the rolls, utilizing a hydraulic nut or annulus with a pressure-tight cavity sealed by a deformable membrane. Additionally, he has developed a hydraulic nut that features an annulus with an annular cavity, also sealed by a deformable membrane. This design allows for the injection of hydraulic fluid under pressure, enabling the application of very high forces to various objects.

Career Highlights

Throughout his career, Rackoff has been associated with Asko, Inc., where he has applied his expertise in hydraulic systems. His work has contributed to advancements in the efficiency and effectiveness of hydraulic applications in various industries.

Collaborations

Rackoff has collaborated with notable colleagues, including John Charles Purcupile and Martin J Dempsey, further enhancing the innovative environment in which he works.

Conclusion

Selwyn Raymond Rackoff's contributions to hydraulic technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in engineering and technology.

Profile summary based on public USPTO records.
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]
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