Hofheim, Germany

Ernst Puchel

This inventor holds 1 USPTO granted patent. Top assignee: Hoechst Aktiengesellschaft. Active years: 1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ernst Puchel. Retrieved from https://idiyas.com/inventor/ernst-puchel

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 = 2.0

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1979

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1 patent (USPTO):Explore Patents

Title: Ernst Puchel and His Foamed Gypsum Invention.

Introduction

Ernst Puchel is an inventor associated with Hofheim, Germany, and Hoechst Aktiengesellschaft. His recorded patent describes a process for producing foamed gypsum and constructional elements made from the material.

Latest Patents

Puchel’s listed patent, “Process for Preparing Foamed Gypsum and Constructional Elements Composed,” concerns mixing gypsum with water and additives that liquefy the gypsum and regulate its setting period. A mixture of isocyanate compounds and polyurethane preadducts is then added. Foaming begins after approximately five minutes and is completed after about 20 minutes, producing set gypsum with a density of 0.45 to 0.8 g/cc, compared with 1.66 g/cc for unfoamed gypsum. The process can also be carried out in molds to create shaped components, including sandwich elements. Puchel is credited with 1 patent.

Career Highlights

Puchel’s documented patent work reflects an application of polymer-related additives to gypsum processing. The invention’s reduced-density material and moldable construction elements point to potential uses in building products.

Collaborations

The supplied information identifies Dieter Stahl as Puchel’s coworker. The patent is associated with Hoechst Aktiengesellschaft.

Conclusion

Ernst Puchel’s recorded invention combines gypsum with chemical additives to produce lightweight foamed material and shaped construction elements.

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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