Cicero, IL, United States of America

Norbert S Wolak

This inventor holds 2 USPTO granted patents. Top assignee: Evans Products Company. Active years: 1976-1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norbert S Wolak. Retrieved from https://idiyas.com/inventor/norbert-s-wolak

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1976-1977

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2 patents (USPTO):Explore Patents

Title: The Innovative Journey of Norbert S. Wolak

Introduction

Norbert S. Wolak, based in Cicero, Illinois, is a distinguished inventor with a focus on advancements in railway car technology. He holds two patents that showcase his ingenuity and commitment to enhancing the functionality and safety of railway systems.

Latest Patents

Wolak's latest invention, the **Full Length Door Arrangement for Railway House Car**, marks a significant innovation in railway vehicle design. This patent features an elongated opening on the side of a railway house car, which is closed by four doors arranged end-to-end. The design allows for two end doors to move solely lengthwise along the car, while the center doors can move transversely, providing a versatile approach to accessing the car’s interior. Notably, the edges of the end doors engage with specially designed stops to secure them in place when closed, enhancing safety. Additionally, Wolak’s invention incorporates a manually actuable device to aid in door operation and a robust safety mechanism that prevents doors from becoming dislodged. These features, along with improved gasket construction, demonstrate Wolak's attention to detail and innovation.

His second patent, the **Sliding Door Locking Device**, further showcases his expertise by introducing a wedge-shaped locking pin that keeps railway freight car doors tightly secured. This inventive design allows for the lock to be released without the need to withdraw the pin, streamlining operations for freight transport.

Career Highlights

Wolak's career is marked by his affiliation with Evans Products Company, where he has contributed significantly to railway innovations. His work has not only improved vehicle functionality but also enhanced safety measures in the railway industry.

Collaborations

Throughout his career, Wolak has collaborated with talented colleagues such as Thomas J. Wolak and Leonidas Jaras. These partnerships have fostered a creative environment that supports the development of innovative solutions within the railway sector.

Conclusion

Norbert S. Wolak has established himself as an influential figure in the field of railway inventions. His patents reflect his dedication to enhancing the safety and efficiency of railway operations. As innovations continue to evolve, Wolak’s contributions remain significant within the industry.

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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