Manchester, MO, United States of America

Duane W Woltjen

This inventor holds 4 USPTO granted patents. Top assignees: Sunnen Products Company, Amc Industries, Inc., Umc Industries, Inc.. Active years: 1977-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Duane W Woltjen. Retrieved from https://idiyas.com/inventor/duane-w-woltjen

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 3

Forward Citations = 35(Granted Patents)

Company Filing History:

2 out of 61

Sunnen Products Company

Years Active: 1977-1985

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4555875 - Means for attaching a replaceable stone and/or guide assembly to a (1985-12-03),

2. 4486983 - Guides for honing heads (1984-12-11),

3. 4174621 - Torque limiting overload coupling (1979-11-20),

4. 4036374 - Multi-motion parts handler (1977-07-19),

Title: Duane W Woltjen: Innovator in Tool and Assembly Design

Introduction

Duane W Woltjen is a notable inventor based in Manchester, MO (US). He has made significant contributions to the field of tool and assembly design, holding a total of 4 patents. His innovative ideas have led to advancements in various mechanical applications.

Latest Patents

Woltjen's latest patents include "Means for attaching a replaceable stone and/or guide assembly to a mounting assembly." This invention focuses on a method for securely attaching a disposable work engaging assembly to a master holder assembly. The design features a first member with openings and a second member made of malleable material, allowing for a tight connection through a unique deformation process. Another notable patent is "Guides for honing heads," which presents an improved guide assembly for honing mandrels. This assembly includes an elongated support member with flexible portions and parallel rack gear members, enhancing the functionality of the honing process.

Career Highlights

Throughout his career, Woltjen has worked with reputable companies such as Sunnen Products Company and UMC Industries, Inc. His experience in these organizations has contributed to his expertise in tool design and assembly.

Collaborations

Woltjen has collaborated with Robert M Sunnen, further enhancing his work in the field of tool and assembly design.

Conclusion

Duane W Woltjen's innovative contributions and patents reflect his dedication to advancing technology in tool and assembly design. His work continues to influence the industry and inspire future innovations.

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]