Paducah, KY, United States of America

Dale Draffen

This inventor holds 1 USPTO granted patent. Top assignee: Apex Engineering Inc.. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dale Draffen. Retrieved from https://idiyas.com/inventor/dale-draffen

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 = 5.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Dale Draffen - Innovator in Blending Technology

Introduction

Dale Draffen is a notable inventor based in Paducah, KY (US). She has made significant contributions to the field of blending technology, particularly with her innovative design of a plate blender. Her work has paved the way for advancements in the blending of particulate and granular solid materials.

Latest Patents

Dale Draffen holds a patent for her invention titled "Plate Blender." This invention is designed for the blending of flowable particulate solid materials, such as plastic pellets and powders. The plate blender features a tank with multiple vertical, radially extending baffles and a series of vertically spaced windows in some of the baffles. This unique design allows for a more efficient blending process, enabling materials to flow successively from one blending zone to the next. The plate blender is not only less expensive and easier to fabricate than previous designs, but it also facilitates easy cleaning.

Career Highlights

Dale Draffen's career is marked by her dedication to innovation in engineering. She works at Apex Engineering Inc., where she continues to develop and refine her inventions. Her commitment to improving blending technology has made her a respected figure in her field.

Collaborations

Dale has collaborated with notable colleagues, including William E. Dunning and Larry D. McGregor. These partnerships have contributed to her success and the advancement of her projects.

Conclusion

Dale Draffen's contributions to blending technology through her patent for the plate blender exemplify her innovative spirit and engineering expertise. Her work continues to influence the industry and improve processes in material blending.

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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