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Perrysburg, OH, United States of America

Glasstech, Inc.

USPTO Granted Patents = 170

CIPO Patents = 54

EPO Patents = 33

Trademarks = 2

Forward Citations = 1,546

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82 inventors (with patents filed for the assignee):

Dean M Nitschke (33 out of 34 patents)

David B Nitschke (31 out of 34 patents)

Michael J Vild (28 out of 29 patents)

4. James P Schnabel, Jr (25 out of 25 patents)

5. Harold A McMaster (24 out of 55 patents)

6. Ronald A McMaster (19 out of 24 patents)

7. Donivan M Shetterly (16 out of 18 patents)

8. Jason Addington (15 out of 15 patents)

9. Eustace H Mumford (14 out of 33 patents)

10. Benjamin Moran (13 out of 13 patents)

11. Paul D Ducat (13 out of 13 patents)

12. Thomas J Zalesak (11 out of 11 patents)

13. Terry A Bennett (8 out of 8 patents)

14. Ashoka G Jinka (8 out of 8 patents)

15. Troy R Lewandowski (7 out of 7 patents)

Core Competencies:

Glass Sheet Forming

Optical Characteristics Measurement

Contoured Glass Sheets

Glass Processing System

Non-Contact Gaging

Glass Quench Apparatus

Edge Stress Control

Three-Dimensional Surface Information

Press Forming

Defect Detection

Bending Station

Conveyor Roll Assembly

170 patents: Sort by Forward Citations

1. 12325654 - Station and method for forming glass sheets (2025-06-10),

2. 12079980 - System and method for measuring a surface in contoured glass sheets (2024-09-03),

3. 11993531 - Conveyor roll end cap assembly (2024-05-28),

4. 11987517 - Glass sheet quench arrangement (2024-05-21),

5. 11867630 - Fixture and method for optical alignment in a system for measuring a surface in contoured glass sheets (2024-01-09),

6. 11542189 - Articulated mold arrangement for a glass processing system (2023-01-03),

7. 11465928 - Glass sheet acquisition and positioning system and associated method for an inline system for measuring the optical characteristics of a glass sheet (2022-10-11),

8. 11230487 - Glass processing system with variable bending station (2022-01-25),

9. 11130698 - Glass sheet forming and annealing system providing edge stress control (2021-09-28),

10. 11111169 - Mold shuttle positioning system for a glass sheet forming system (2021-09-07),

11. 10913678 - Vacuum mold shuttle system for a glass sheet forming system (2021-02-09),

12. 10894736 - Glass sheet positioning apparatus and method (2021-01-19),

13. 10851013 - Glass sheet acquisition and positioning system and associated method for an inline system for measuring the optical characteristics of a glass sheet (2020-12-01),

14. 10683229 - Glass sheet support structure (2020-06-16),

15. 10683227 - Glass sheet mold apparatus and method (2020-06-16),

GLASSTECH, INC. is a leading provider of advanced glass processing equipment and integrated solutions. With over 50 years of experience, we have been serving the global glass industry with cutting-edge technologies and exceptional customer service. Our comprehensive range of products includes glass bending and tempering systems, automated glass handling systems, glass measuring devices, and software solutions. We are committed to innovation, quality, and sustainability, helping our clients achieve enhanced productivity, superior product quality, and optimized energy efficiency. Visit our website to explore how GLASSTECH can fulfill your glass processing needs.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

170 Patents

#3 in Perrysburg, OH

#97 in Ohio

#2,272 in US

#4,729 in the World

Perrysburg, OH, United States of America

Glasstech, Inc.

Forward Citations = 1,546

82 inventors:

Dean M Nitschke (33 out of 34 patents)

David B Nitschke (31 out of 34 patents)

Michael J Vild (28 out of 29 patents)

4. James P Schnabel, Jr (25 out of 25 patents)

5. Harold A McMaster (24 out of 55 patents)

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