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For the Inventor, By the Inventor

Buford, GA, United States of America

Heraeus Quartz North America LLC


USPTO Granted Patents = 16


Trademarks = 1

Forward Citations = 3

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20 inventors (with patents filed for the assignee):

goldMedal Qiulin Ma (9 out of 9 patents)

silverMedal Kai Huei Chang (9 out of 10 patents)

bronzeMedal Evan P Green (6 out of 6 patents)

4.  James E Beavers, Jr (5 out of 5 patents)

5.  Carl W Ponader (3 out of 3 patents)

6.  Oliver Ganz (2 out of 14 patents)

7.  Georges Levon Fattal (2 out of 3 patents)

8.  Maximilian Schmitt (2 out of 3 patents)

9.  Ivan Rasnik (1 out of 3 patents)

10.  Alexander Rudl (1 out of 1 patent)

11.  Timothy D Jenkins (1 out of 1 patent)

12.  Jong-Won Lee (1 out of 1 patent)

13.  Jan Vydra (1 out of 15 patents)

14.  Tim Alan Pontsler (1 out of 1 patent)

15.  Kenneth Robert Koch (1 out of 1 patent)


16 patents:

1. 12422359 - Tomographic refractive index profile evaluation of non-symmetrical glass fiber preforms and fibers themselves (2025-09-23),
2. 12180106 - Methods for producing a hollow-core fiber and for producing a preform for a hollow-core fiber (2024-12-31),
3. 11840472 - Elongation method and preform for producing an optical glass component (2023-12-12),
4. 11811453 - Upward collapse process and apparatus for making glass preforms (2023-11-07),
5. 11788927 - Evaluation of preforms with non-step-index refractive-index-profile (RIP) (2023-10-17),
6. 11739019 - High-strength welding process for making heavy glass preforms with large cross sectional areas (2023-08-29),
7. 11649185 - Automated large outside diameter preform tipping process and resulting glass preforms (2023-05-16),
8. 11618708 - Elongation method and preform for producing an optical glass component (2023-04-04),
9. 11454580 - Method for preform or tube drawing based on its viscosity (2022-09-27),
10. 11434163 - Variable diameter seal for optical preform furnace (2022-09-06),
11. 11405107 - Upward collapse process and apparatus for making glass preforms (2022-08-02),
12. 10590022 - Formation of elongated glass components with low bow using a gripper device (2020-03-17),
13. 10464837 - Method for inserting a core rod into an outer cladding tube with spacer (2019-11-05),
14. 10388028 - Apparatus and method for measurement of transparent cylindrical articles (2019-08-20),
15. 10378996 - Methods and apparatus for determining geometric properties of optical fiber preforms (2019-08-13),
Heraeus Quartz North America LLC is a leading manufacturer of high-quality quartz glass and silica products. With a focus on innovation and customer satisfaction, the company offers a wide range of quartz products for various industries including semiconductor, solar energy, and laboratory applications. Heraeus Quartz North America LLC is committed to providing reliable and durable solutions that meet the needs of its diverse customer base.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

16 Patents

#3 in Buford, GA

#381 in Georgia

#19,271 in US

#36,634 in the World

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Buford, GA, United States of America

Heraeus Quartz North America LLC

Forward Citations = 3

20 inventors:

goldMedal Qiulin Ma (9 out of 9 patents)

silverMedal Kai Huei Chang (9 out of 10 patents)

bronzeMedal Evan P Green (6 out of 6 patents)

4.  James E Beavers, Jr (5 out of 5 patents)

5.  Carl W Ponader (3 out of 3 patents)

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