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6969 Hardheim, Germany

Hubert Eirich

This inventor holds 11 USPTO granted patents. Top assignees: Maschinenfabrik Gustav Eirich, Other. Active years: 1980-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hubert Eirich. Retrieved from https://idiyas.com/inventor/hubert-eirich

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

USPTO Granted Patents = 11

% Patents Active = 90.9

Average Co-Inventor Count = 3.4

ph-index = 8

Forward Citations = 133(Granted Patents)


Location History:

  • 6969 Hardheim, DE (1980 - 1991)
  • Hardheim, DE (1985 - 2005)

Company Filing History:

goldMedal1 out of 9 
 
Maschinenfabrik Gustav Eirich
 patents
silverMedal10 out of 834,570 
Other
 patents

Years Active: 1980-2005

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11 patents (USPTO):Explore Patents
1. 6926063 - Method for conditioning foundry moulding sand and a device therefor (2005-08-09),
2. 4997357 - Apparatus for treatment of power station residues (1991-03-05),
3. 4854715 - Pressure-resistant mixer (1989-08-08),
4. 4758372 - Method of producing lead paste for batteries (1988-07-19),
5. 4744829 - Process for producing agglomerates which are resistant to leaching out (1988-05-17),
6. 4681267 - Method of regenerating old casting sand (1987-07-21),
7. 4624003 - Apparatus for heating electrically conductive bulk materials (1986-11-18),
8. 4569025 - Method of preparing foundrys and by measuring moisture and (1986-02-04),
9. 4562970 - Apparatus for opening and closing the outlet aperture of a processing (1986-01-07),
10. 4560283 - Apparatus for closing and continuously emptying the container of a (1985-12-24),
11. 4186592 - Method of measuring the moisture content in flowable materials and (1980-02-05),

Title: The Innovative Contributions of Hubert Eirich

Introduction

Hubert Eirich is a notable inventor based in Hardheim, Germany. He has made significant contributions to the field of engineering, particularly in the treatment of foundry moulding sand and power station residues. With a total of 11 patents to his name, Eirich's work has had a lasting impact on industrial processes.

Latest Patents

One of Eirich's latest patents is a method for conditioning foundry moulding sand and a device therefor. This innovative method involves heating cooled used moulding sand to a minimum temperature, moisturizing it with water or water vapor, and then cooling it in a mixer using vacuum effects. The apparatus designed for this method includes a mixing container, a rotatable mixing agitator, and various components for feeding and removing materials. Another significant patent is for the treatment of power station residues, specifically filter ash. This method hydrates the lime content of the bulk material and allows for continuous processing and discharge of treated material through a series of treatment zones.

Career Highlights

Throughout his career, Hubert Eirich has worked with various companies, including Maschinenfabrik Gustav Eirich. His expertise in engineering and innovation has led to the development of efficient methods and apparatuses that address complex industrial challenges.

Collaborations

Eirich has collaborated with notable individuals in his field, including Paul Eirich and Walter Eirich. These collaborations have contributed to the advancement of technology in the areas he specializes in.

Conclusion

Hubert Eirich's contributions to engineering and innovation are evident through his numerous patents and collaborative efforts. His work continues to influence the industry, showcasing the importance of inventive thinking in solving practical problems.

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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