Enter assignee name

% Expired Patents = 18.2

CIPO Patents = 1

EPO Patents = 1

Trademarks = 3

Forward Citations = 101

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4 inventors (with patents filed for the assignee):

Ulrich Barthelmess (9 out of 9 patents)

Bahman Tavakkoli (2 out of 8 patents)

Thomas Mangelberger (2 out of 6 patents)

4. Ulrich Schindler (1 out of 2 patents)

11 patents: Sort by Forward Citations

1. 8177150 - Method and device for manufacturing dispersed mineral products (2012-05-15),

2. 8083165 - Method and device for manufacturing dispersed mineral products (2011-12-27),

3. 5803271 - Centrifugal force separator (1998-09-08),

4. 5788727 - Centrifugal air separator (1998-08-04),

5. 5630557 - Stirring bead mill with separator to strain out grinding beads (1997-05-20),

6. 5312055 - Method for the operation of a stirring ball mill and a stirring ball (1994-05-17),

7. 5025930 - Centrifugal classifier (1991-06-25),

8. 4673134 - Agitating mill, particularly agitating ball mill (1987-06-16),

9. 4409097 - Improved pivotable centrifugal classifier and method of classifying (1983-10-11),

10. 4390419 - Centrifugal classifier (1983-06-28),

11. 4295803 - Separating machine (1981-10-20),

Omya GmbH is a leading global producer of industrial minerals, particularly calcium carbonate and dolomite. The company specializes in providing high-quality mineral-based solutions for various industries, including paper, plastics, paints, and construction. With a strong emphasis on sustainability, Omya focuses on innovative applications of its mineral products, enhancing performance and efficiency across diverse sectors. Headquartered in Gummern, Austria, Omya operates internationally, leveraging its extensive expertise in mineral processing and technology development.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

11 Patents

#1 in Gummern

#287 in Austria

#51,714 in the World

Gummern, Austria

Omya Gmbh

Forward Citations = 101

4 inventors:

Ulrich Barthelmess (9 out of 9 patents)

Bahman Tavakkoli (2 out of 8 patents)

Thomas Mangelberger (2 out of 6 patents)

4. Ulrich Schindler (1 out of 2 patents)

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