For the Inventor, By the Inventor

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Carol Stream, IL, United States of America

Prince Castle Inc.

USPTO Granted Patents = 163

CIPO Patents = 2

EPO Patents = 5

Trademarks = 17

Forward Citations = 1,918

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131 inventors (with patents filed for the assignee):

Loren Jay Veltrop (79 out of 97 patents)

Kyle Thomas Kestner (26 out of 39 patents)

Eric W Larson (22 out of 66 patents)

4. Scott R Hammac (21 out of 28 patents)

5. Mark E Fastabend (21 out of 26 patents)

6. Charles B Hartfelder (20 out of 23 patents)

7. Karl Ronald Heinze (18 out of 20 patents)

8. Frank Anthony Agnello (17 out of 17 patents)

9. Eugene Stanley Maslana (16 out of 21 patents)

10. Richard Bauer (14 out of 25 patents)

11. Christine Suen Laub (14 out of 16 patents)

12. Aleksandr Yazvin (14 out of 22 patents)

13. Christopher F Lyons (13 out of 149 patents)

14. Edward T Eaton (13 out of 32 patents)

15. Michael Graef (12 out of 18 patents)

Core Competencies:

Conveyor Belt

Refrigeration Devices

Food Holding Bin

Modular Food Holding System

Produce Slicer

Blade Set

Packaging Dispenser

Robot Food Preparation

Toaster Technology

Sprocket Driven Conveyor

Manual Dispensing Valve

Multi-Zone Food Holding

163 patents: Sort by Forward Citations

1. 11279563 - Systems and methods for a wire plate conveyor belt (2022-03-22),

2. D919922 - Conveyor belt (2021-05-18),

3. 10962278 - Mounting systems for refrigeration devices (2021-03-30),

4. 10945562 - Bun holding cabinet (2021-03-16),

5. 10905129 - Conveyor belt system comprising plates with a lateral movement stop (2021-02-02),

6. D907958 - Blade set (2021-01-19),

7. 10874226 - Packaging dispenser (2020-12-29),

8. 10852002 - Multi-zone food holding bin (2020-12-01),

9. 10843871 - Side-by-side slats for a chain conveyor belt and conveyor belt system comprising same (2020-11-24),

10. 10843358 - Produce slicer (2020-11-24),

11. 10841981 - Multi-zone food holding bin (2020-11-17),

12. D892551 - Blade cover (2020-08-11),

13. D891180 - Wedger pusher (2020-07-28),

14. 10724757 - Refrigeration system and device (2020-07-28),

15. 10723560 - Side-by-side snap on slats for a chain conveyor belt and conveyor belt system comprising same (2020-07-28),

Prince Castle is a global supplier of innovative and user-friendly kitchen equipment for the foodservice industry. With decades of experience, we specialize in providing high-quality products that help businesses streamline their operations, improve efficiency, and enhance customer experience. Our extensive range of solutions includes precision food preparation tools, quick-serve restaurant equipment, toasters, grills, and much more. Whether it's a large chain or a local restaurant, Prince Castle is committed to offering reliable, cost-effective solutions that meet the ever-evolving needs of the foodservice industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

163 Patents

#1 in Carol Stream, IL

#152 in Illinois

#2,356 in US

#4,922 in the World

Carol Stream, IL, United States of America

Prince Castle Inc.

Forward Citations = 1,918

131 inventors:

Loren Jay Veltrop (79 out of 97 patents)

Kyle Thomas Kestner (26 out of 39 patents)

Eric W Larson (22 out of 66 patents)

4. Scott R Hammac (21 out of 28 patents)

5. Mark E Fastabend (21 out of 26 patents)

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