% Expired Patents = 14.3

EPO Patents = 4

Forward Citations = 7

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8 inventors (with patents filed for the assignee):

Lars Zumbusch (4 out of 5 patents)

Heiko Schirmer (3 out of 4 patents)

Michael Biemel (3 out of 6 patents)

4. Claus Joachim (2 out of 2 patents)

5. Guido Brieger (2 out of 3 patents)

6. Manuel Vargas (1 out of 4 patents)

7. Sven Dommen (1 out of 1 patent)

8. Alex Pfannenstiel (1 out of 1 patent)

9. Nicolas Egeler (3 patents)

7 patents: Sort by Forward Citations

1. 12290855 - Single-piece feeder body for use in metal casting (2025-05-06),

2. 12151281 - Vertically divided feeder for use in metal casting in casting molds and method for production thereof (2024-11-26),

3. 12059724 - Production method, casting moulds, cores or feeders and kit and method for production of a metallic casting (2024-08-13),

4. 11446733 - One-piece feeder body for use while casting metals (2022-09-20),

5. 11173541 - Method for producing a molded part and feeder insert for use in such a method (2021-11-16),

6. 11130169 - Use of a feeder insert and method for manufacturing a casting mold having a vertical mold separation (2021-09-28),

7. 10589346 - Use of a feeder insert and method for manufacturing a casting mold having a vertical mold separation (2020-03-17),

Company Overview

Chemex Foundry Solutions GmbH is a leading provider of innovative solutions for the foundry industry. With a focus on efficiency and sustainability, we offer a wide range of products and services to help our clients improve their casting processes. Our expertise includes mold and core making, sand preparation, and metal treatment. Visit our website to learn more about how Chemex can help optimize your foundry operations.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#1 in Delligsen

#4,865 in Germany

Delligsen, Germany

Chemex Foundry Solutions Gmbh

Forward Citations = 7

8 inventors:

Lars Zumbusch (4 out of 5 patents)

Heiko Schirmer (3 out of 4 patents)

Michael Biemel (3 out of 6 patents)

4. Claus Joachim (2 out of 2 patents)

5. Guido Brieger (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chemex Foundry Solutions Gmbh. Retrieved from https://idiyas.com/company/chemex-foundry-solutions

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

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]

4 patents (EPO):

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]