For the Inventor, By the Inventor

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Madison, WI, United States of America

Sub-zero, Inc.

USPTO Granted Patents = 30

Trademarks = 11

Forward Citations = 414

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32 inventors (with patents filed for the assignee):

Philip F Hottmann (13 out of 19 patents)

Curtis Leroy Cruver, Iv (8 out of 67 patents)

Sean T Petersen (6 out of 15 patents)

4. Mark J Blahnik (6 out of 8 patents)

5. Arturo J Bonomie (5 out of 5 patents)

6. Alan C Wood (4 out of 6 patents)

7. Chad A Wohlrab (4 out of 4 patents)

8. Daniel Mark Graham (4 out of 12 patents)

9. Randy Wayne Hurlebaus (3 out of 4 patents)

10. John F Andrews (3 out of 3 patents)

11. Terry D Hardesty (2 out of 8 patents)

12. Curtis J Scadden (2 out of 4 patents)

13. David Christian Eby (2 out of 13 patents)

14. Elizabeth Wohlers (1 out of 2 patents)

15. Terence Thomas Smith (1 out of 2 patents)

30 patents: Sort by Forward Citations

1. 10470573 - Tray with support arm (2019-11-12),

2. 10408528 - Single door covering a freezer compartment and a refrigerator compartment (2019-09-10),

3. 10317123 - Shared evaporator system (2019-06-11),

4. 10234194 - Door manufacturing method for a freezer drawer (2019-03-19),

5. 9291382 - Control system for a door of an ice dispenser chute (2016-03-22),

6. 9251724 - Beverage identification tiles (2016-02-02),

7. 9228384 - Hinge mounted switch control device (2016-01-05),

8. D728767 - Header and filter access panel (2015-05-05),

9. D725710 - Beverage identification tile (2015-03-31),

10. 8959943 - Ice agitator (2015-02-24),

11. 8844097 - Soft opening for a hinge (2014-09-30),

12. 8789902 - Installation system and door positioning device for appliances (2014-07-29),

13. D699271 - Crisper interior refrigerator drawer stack (2014-02-11),

14. D694293 - Refrigerator internal liquid dispenser (2013-11-26),

15. D694292 - Refrigerator shelf (2013-11-26),

Sub-Zero, Inc. is a leading manufacturer of luxury refrigeration, freezer, and wine storage units. With a commitment to craftsmanship, performance, and innovation, Sub-Zero has been a trusted household name for over 75 years. Their products are renowned for their exceptional quality, cutting-edge technology, and stylish designs. Sub-Zero's refrigeration systems are engineered to preserve food's freshness and flavor, while their wine storage units provide the perfect conditions for aging and preserving the finest wines. Visit their website to explore their extensive range of high-end appliances and exceptional customer service.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

30 Patents

#32 in Madison, WI

#265 in Wisconsin

#10,860 in US

#21,192 in the World

Madison, WI, United States of America

Sub-zero, Inc.

Forward Citations = 414

32 inventors:

Philip F Hottmann (13 out of 19 patents)

Curtis Leroy Cruver, Iv (8 out of 67 patents)

Sean T Petersen (6 out of 15 patents)

4. Mark J Blahnik (6 out of 8 patents)

5. Arturo J Bonomie (5 out of 5 patents)

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