This inventor holds 5 USPTO granted patents, plus 1 CIPO patent. Top assignees: Maschinenfabrik Gustav Eirich, Maschinenfabrik Gustav Eirich Gmbh & Co Kg, Other. Active years: 1991-2005.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Viernheim, DE (1991)
- Buchen, DE (1991 - 1997)
- Buchen-Hainstadt, DE (2005)
Company Filing History:

Years Active: 1991-2005
Title: Herbert Durr: Innovator in Foundry Technology
Introduction
Herbert Durr is a notable inventor based in Buchen, Germany. He has made significant contributions to the field of foundry technology, holding a total of 5 patents. His innovative approaches have led to advancements in the preparation of foundry sand and the continuous supply of heat in electrically conductive materials.
Latest Patents
One of Durr's latest patents is a method and device for the preparation of foundry sand. This device includes a mixer designed to operate under at least a partial vacuum, along with a feeder for introducing components to be mixed. The mixer features a large inlet that allows for rapid introduction of components, significantly reducing the time required to fill the mixer. The pressure differential created by the vacuum minimizes the risk of airborne contaminants escaping the mixer. Additionally, optional moveable conveyor chutes and mixing tools enhance the efficiency of the process.
Another significant patent involves a procedure and apparatus for the continuous supply of heat into electrically conductive bulk goods. This invention exploits the electrical resistance of the materials in an oven chamber, allowing for efficient heat supply during continuous throughput. The design includes electrodes arranged to conduct electrical energy through the material, ensuring effective heating while maintaining safety and efficiency.
Career Highlights
Throughout his career, Herbert Durr has worked with various companies, including Maschinenfabrik Gustav Eirich. His experience in the industry has allowed him to develop practical solutions that address the challenges faced in foundry operations.
Collaborations
Durr has collaborated with notable individuals such as Paul Eirich and Hubert Eirich. These partnerships have contributed to the development of innovative technologies in the foundry sector.
Conclusion
Herbert Durr's contributions to foundry technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, paving the way for future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile