South Portland, ME, United States of America

Karl H Keim

This inventor holds 4 USPTO granted patents. Top assignees: Gloucester Engineering Co., Inc., United Industrial Syndicate, Inc.. Active years: 1976-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Karl H Keim. Retrieved from https://idiyas.com/inventor/karl-h-keim

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 = 1.0

ph-index = 4

Forward Citations = 42(Granted Patents)


Location History:

  • South Portland, ME (US) (1976 - 1984)
  • S. Berwick, ME (US) (1988)

Company Filing History:


Years Active: 1976-1988

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4 patents (USPTO):Explore Patents

Title: **The Innovative Mind of Karl H. Keim**

Introduction

Karl H. Keim, an accomplished inventor based in South Portland, ME, has made notable contributions to the field of thermoplastics through his innovative designs and patented inventions. With a total of four patents to his name, Keim's work primarily focuses on enhancing manufacturing processes for thermoplastic materials.

Latest Patents

Among his latest inventions is the "Air Cooling Ring for Plastic Film." This innovative dual flow air ring is designed to cool the exterior surface of thermoplastic tubes immediately after extrusion from an annular die. The unique shaping of the wall forming the divider between the upstream and downstream flow paths aids in stabilizing the tube during cooling. This enhancement allows for more vigorous cooling, ultimately resulting in higher production rates.

Another significant patent is for "Rotary Apparatus for Advancing a Web." This invention is developed for use with a thermoforming press that shapes individual articles from a thermoplastic web. The trimming station utilizes a web transport system featuring rotary advancing devices that positively engage with the web. This design allows for stress relaxation in the thermoplastic web, facilitating accurate alignment during the trimming process while enhancing production efficiency.

Career Highlights

Throughout his career, Karl H. Keim has collaborated with several prominent companies, including Gloucester Engineering Company, Inc. and United Industrial Syndicate, Inc. His work at these organizations has provided him with invaluable experience and insights into advanced manufacturing techniques for thermoplastics.

Collaborations

Keim's partnerships with leading engineering companies have allowed him to drive innovation in the industry. His experience working at Gloucester Engineering Company and United Industrial Syndicate has enabled him to refine his inventions and contribute to notable advancements in thermoplastic processing.

Conclusion

Karl H. Keim stands as a testament to the power of creativity and innovation in the field of thermoplastics. His patents not only showcase his technical expertise but also reflect a commitment to improving manufacturing processes. As he continues to drive forward in his career, Keim's contributions are sure to have lasting impacts on 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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