For the Inventor, By the Inventor

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North Prairie, WI, United States of America

Zero Zone, Inc.

USPTO Granted Patents = 11

CIPO Patents = 4

Trademarks = 9

Forward Citations = 73

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12 inventors (with patents filed for the assignee):

Steve Esslinger (4 out of 4 patents)

Paul J Simon (3 out of 28 patents)

Eric Gray (1 out of 1 patent)

4. Steve Searl (1 out of 1 patent)

5. David A Steele (1 out of 1 patent)

6. Robert Sparks (1 out of 1 patent)

7. Bruce R Hierlmeier (1 out of 1 patent)

8. William R Geisness (1 out of 1 patent)

9. Erik B Haffner (1 out of 1 patent)

10. Carl C Roberts (1 out of 1 patent)

11. Keith R Mickelson (1 out of 1 patent)

12. Paul Michael Hayes (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 10182666 - Frameless refrigerated case (2019-01-22),

2. 9974398 - Door closer mechanism for display case (2018-05-22),

3. 9962014 - Holder for a refrigerated case (2018-05-08),

4. 9901189 - Air duct for refrigeration case (2018-02-27),

5. 9394736 - Door closer mechanism for display case (2016-07-19),

6. 7640758 - Refrigerant tracking/leak detection system and method (2010-01-05),

7. 7475565 - Refrigeration system including a side-load sub-cooler (2009-01-13),

8. 7377118 - Refrigerant tracking/leak detection system and method (2008-05-27),

9. 7231783 - Oil control system for a refrigeration system (2007-06-19),

10. 6272876 - Display freezer having evaporator unit (2001-08-14),

11. 6240739 - Display refrigerator evaporator cover (2001-06-05),

Zero Zone, Inc. is a leading manufacturer of refrigerated display cases and refrigeration systems for supermarkets, convenience stores, and other retail applications. They offer innovative and energy-efficient solutions that help their customers showcase their products while reducing operating costs. With over 50 years of experience in the industry, Zero Zone is committed to providing high-quality products and exceptional service to meet the unique needs of each customer.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

11 Patents

#1 in North Prairie, WI

#613 in Wisconsin

#26,696 in US

#50,205 in the World

North Prairie, WI, United States of America

Zero Zone, Inc.

Forward Citations = 73

12 inventors:

Steve Esslinger (4 out of 4 patents)

Paul J Simon (3 out of 28 patents)

Eric Gray (1 out of 1 patent)

4. Steve Searl (1 out of 1 patent)

5. David A Steele (1 out of 1 patent)

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