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For the Inventor, By the Inventor

Concord, CA, United States of America

Ellsworth A Hartbauer

This inventor holds 5 USPTO granted patents. Top assignee: Crown Zellerbach Corporation. Active years: 1976-1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ellsworth A Hartbauer. Retrieved from https://idiyas.com/inventor/ellsworth-a-hartbauer

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 5

Forward Citations = 168(Granted Patents)


Company Filing History:

goldMedal5 out of 107 
 
Crown Zellerbach Corporation
 patents

Years Active: 1976-1980

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5 patents (USPTO):Explore Patents
1. 4189077 - Sheet material dispensing device (1980-02-19),
2. 4106684 - Sheet material dispensing device (1978-08-15),
3. 4026752 - Tail securing apparatus (1977-05-31),
4. 4000242 - Web material treating system including an inflatable platen roller (1976-12-28),
5. 3960272 - Roll product with manually graspable tail end and manufacture thereof (1976-06-01),

Title: Innovations by Ellsworth A. Hartbauer

Introduction

Ellsworth A. Hartbauer is a notable inventor based in Concord, CA (US). He has made significant contributions to the field of sheet material dispensing devices, holding a total of 5 patents. His innovative designs have improved the efficiency and functionality of dispensing systems.

Latest Patents

Hartbauer's latest patents include a unique sheet material dispensing device designed for cabinets. This device features a blade that can be moved to sever sheet material from a roll, allowing for easy manual dispensing. Another patent involves a dispensing device that sequentially dispenses sheet material from both a primary roll and a reserve roll. This design incorporates sensing and transfer mechanisms to ensure a seamless transition between rolls, enhancing user experience.

Career Highlights

Throughout his career, Hartbauer has worked with Crown Zellerbach Corporation, where he has been able to apply his inventive skills to develop practical solutions for everyday challenges. His work has been instrumental in advancing the technology behind sheet material dispensing.

Collaborations

Hartbauer has collaborated with notable coworkers such as Rudolf R. Weis and Horace N. Kemp. Their combined expertise has contributed to the successful development of innovative products in their field.

Conclusion

Ellsworth A. Hartbauer's contributions to the invention of sheet material dispensing devices demonstrate his commitment to innovation and practicality. His patents reflect a deep understanding of user needs and technological advancements.

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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