For the Inventor, By the Inventor

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Perrysburg, OH, United States of America

Glasstech, Inc.

USPTO Granted Patents = 170

% Expired Patents = 0.59

CIPO Patents = 10

EPO Patents = 34

Trademarks = 2

Forward Citations = 1,565

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72 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 Sheets

Optical Measurement

Quenching Systems

Glass Forming

Contoured Glass

Bending Methods

Heating Furnaces

Positioning Mechanisms

Mold Apparatus

Cooling Systems

Surface Measurement

Defect Detection

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),

Company Overview

Glasstech, Inc., based in Perrysburg, Ohio, specializes in advanced glass sheet processing technologies. The company is renowned for its innovative solutions in the production and manipulation of glass sheets, focusing on optical measurement, quenching systems, and glass forming techniques. Glasstech's expertise extends to the development of contoured glass and bending methods, as well as sophisticated heating furnaces and positioning mechanisms, catering to a diverse range of industries that require high-quality glass products.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

170 Patents

#2 in Perrysburg, OH

#105 in Ohio

#2,350 in US

#4,869 in the World

Perrysburg, OH, United States of America

Glasstech, Inc.

Forward Citations = 1,565

72 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Glasstech, Inc.. Retrieved from https://idiyas.com/company/glasstech

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

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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