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For the Inventor, By the Inventor

St. Louis, MO, United States of America

Duke Manufacturing Company


USPTO Granted Patents = 83



Trademarks = 12

Forward Citations = 1,399

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68 inventors (with patents filed for the assignee):

goldMedal Steven M Shei (19 out of 37 patents)

silverMedal Robert J Reese (15 out of 75 patents)

bronzeMedal James W Bigott (13 out of 19 patents)

4.  Gregory Glen Stettes (10 out of 25 patents)

5.  Benjamin Wann (9 out of 9 patents)

6.  Kim Charles Fietsam (9 out of 10 patents)

7.  Clement J Luebke (8 out of 10 patents)

8.  Scott E Willis (7 out of 7 patents)

9.  William R Dudley (7 out of 7 patents)

10.  Canyon DeVille (6 out of 6 patents)

11.  Jeffrey Alan Stafford (6 out of 141 patents)

12.  Thomas E Kieffer (6 out of 9 patents)

13.  Thomas E Yingst (6 out of 6 patents)

14.  Daryl R Monroe (5 out of 7 patents)

15.  Jack Greenwood (5 out of 5 patents)


Core Competencies:
Food Holding Apparatus
Networked Food Preparation
Temperature Controlled Food Tray
Dough Preparation Apparatus
Convection Oven
Smart Food Pan System
Appliance Component Fault Detection
Food Management System
Commercial Kitchenware Washers
Food Serving Station
Rethermalizing Apparatus
Pan Storage Apparatus

83 patents:

1. 12514402 - Food serving station and associated appliances and methods (2026-01-06),
2. D1104595 - Food holding cabinet (2025-12-09),
3. 12478216 - Food holding apparatus (2025-11-25),
4. 12465175 - Pan storage apparatus (2025-11-11),
5. 12465174 - Oven for heating food (2025-11-11),
6. 12418435 - Networked food preparation apparatus (2025-09-16),
7. D1091238 - Liner for a food holding well (2025-09-02),
8. 12399608 - Food management system (2025-08-26),
9. D1082430 - Liner for food holding well (2025-07-08),
10. 12333889 - Food preparation apparatus having a virtual data bus (2025-06-17),
11. 12318035 - Networked food preparation apparatus (2025-06-03),
12. 12274392 - Appliance component fault detection (2025-04-14),
13. 12240654 - Liner for food receiver of food holding apparatus (2025-03-04),
14. 12223383 - Smart food pan system (2025-02-11),
15. 12212428 - Network system having a network appliance (2025-01-28),
Duke Manufacturing Company is a leading global provider of commercial foodservice equipment and supplies. With over 95 years of experience, Duke is renowned for its innovative, high-quality products and solutions. Their diverse product portfolio includes steam tables, ovens, refrigeration systems, serving lines, and more. With a strong commitment to customer satisfaction, Duke aims to enhance foodservice experiences for businesses across industries such as restaurants, hotels, institutions, and healthcare facilities.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

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83 Patents

#29 in St. Louis, MO

#49 in Missouri

#4,320 in US

#8,904 in the World

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St. Louis, MO, United States of America

Duke Manufacturing Company

Forward Citations = 1,399

68 inventors:

goldMedal Steven M Shei (19 out of 37 patents)

silverMedal Robert J Reese (15 out of 75 patents)

bronzeMedal James W Bigott (13 out of 19 patents)

4.  Gregory Glen Stettes (10 out of 25 patents)

5.  Benjamin Wann (9 out of 9 patents)

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