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Strongsville, OH, United States of America

Van Dorn Demag Corporation

USPTO Granted Patents = 11

% Expired Patents = 45.5

EPO Patents = 1

Trademarks = 5

Forward Citations = 177

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8 inventors (with patents filed for the assignee):

Thomas Christopher Bulgrin (9 out of 10 patents)

Thomas H Richards (4 out of 4 patents)

Paul Zakich (2 out of 2 patents)

4. George L Eterovich (2 out of 2 patents)

5. Alexander M Galan (2 out of 2 patents)

6. Brian J Ralph (1 out of 1 patent)

7. Michael C Uhrain, Iv (1 out of 1 patent)

8. Andrew Schuplin (1 out of 1 patent)

9. Michael C Iv Uhrain (0 patent)

11 patents: Sort by Forward Citations

1. 7031800 - OO control for injection molding machine (2006-04-18),

2. 6722875 - Vertical injection molding machine (2004-04-20),

3. 6695994 - Melt pressure observer for electric injection molding machine (2004-02-24),

4. 6682669 - Model predictive control apparatus and methods for motion and/or pressure control of injection molding machines (2004-01-27),

5. 6616441 - Aligning device for vertical injection molding machine (2003-09-09),

6. 6299427 - Hybrid injection molding machine (2001-10-09),

7. 6089849 - Hybrid injection molding machine (2000-07-18),

8. 5997778 - Auto-tuned, adaptive process controlled, injection molding machine (1999-12-07),

9. 5513115 - Clamp control for injection molding machine (1996-04-30),

10. 5493503 - Clamp control for injection molding machine (1996-02-20),

11. 5456870 - Barrel temperature state controller for injection molding machine (1995-10-10),

Van Dorn Demag Corporation is a leading manufacturer of injection molding machines, providing innovative solutions for a wide range of industries. With a focus on quality, reliability, and efficiency, Van Dorn Demag offers a comprehensive line of injection molding machines to meet the diverse needs of their customers. Their commitment to continuous improvement and customer satisfaction has made them a trusted partner in the industry.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

11 Patents

#5 in Strongsville, OH

#1,143 in Ohio

#27,470 in US

#51,671 in the World

Strongsville, OH, United States of America

Van Dorn Demag Corporation

Forward Citations = 177

8 inventors:

Thomas Christopher Bulgrin (9 out of 10 patents)

Thomas H Richards (4 out of 4 patents)

Paul Zakich (2 out of 2 patents)

4. George L Eterovich (2 out of 2 patents)

5. Alexander M Galan (2 out of 2 patents)

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