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For the Inventor, By the Inventor

Freeport, IL, United States of America

Calphalon Corporation


USPTO Granted Patents = 89

% Expired Patents = 1.1



Trademarks = 7

Forward Citations = 1,556

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31 inventors (with patents filed for the assignee):

goldMedal Joel Tetreault (42 out of 42 patents)

silverMedal Paul Angelo Logiudice (16 out of 17 patents)

bronzeMedal Sarah Pantaleo (15 out of 16 patents)

4.  Andrew Q Liu (14 out of 15 patents)

5.  Steven J Muske (14 out of 18 patents)

6.  Lars Blacken (13 out of 13 patents)

7.  Brian Joseph Demers (7 out of 36 patents)

8.  Steve Muske (6 out of 6 patents)

9.  Kevin O'Doherty (5 out of 7 patents)

10.  Liu Wai Hung (5 out of 5 patents)

11.  Lee Chak Por (5 out of 5 patents)

12.  Neil John Varlamoff (4 out of 16 patents)

13.  Dean Olaya (3 out of 3 patents)

14.  Joanna Gail Kucko (3 out of 3 patents)

15.  Jeremy Bunting (3 out of 3 patents)


Core Competencies:
Knife Block
Cookware Handle
Waffle Maker
Slow Cooker
Electric Skillet
Food Grater
Cutlery Implement
Egg Poacher
Toaster Oven
Gripping Portion
Contact Grill
Baking Tool Handle

89 patents:

1. D920053 - Knife block (2021-05-25),
2. 11000141 - Knife block with storage slot blade sharpeners and cutlery set using same (2021-05-11),
3. 10638863 - Knife block with storage slot blade sharpeners and cutlery set using same (2020-05-05),
4. 10486857 - Stackable cookware and lids (2019-11-26),
5. D832660 - Knife block (2018-11-06),
6. D832659 - Knife block (2018-11-06),
7. D832658 - Knife block (2018-11-06),
8. 9693644 - Knife block with storage slot blade sharpeners and cutlery set using same (2017-07-04),
9. D766048 - Knife block (2016-09-13),
10. D766047 - Knife block (2016-09-13),
11. D764879 - Knife block (2016-08-30),
12. D764878 - Knife block (2016-08-30),
13. D764877 - Knife block (2016-08-30),
14. D764876 - Knife block (2016-08-30),
15. D764875 - Knife block (2016-08-30),
Calphalon is a leading manufacturer of premium cookware, bakeware, cutlery, and kitchen appliances. With a focus on quality craftsmanship and innovative design, Calphalon products are trusted by professional chefs and home cooks alike. Founded in 1963, the company is known for its durable, high-performance products that make cooking easier and more enjoyable.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

Calphalon Corporation
89 Patents

#3 in Freeport, IL

#240 in Illinois

#4,183 in US

#8,585 in the World

Freeport, IL (US)
Freeport, IL, United States of America

Calphalon Corporation

Forward Citations = 1,556

31 inventors:

goldMedal Joel Tetreault (42 out of 42 patents)

silverMedal Paul Angelo Logiudice (16 out of 17 patents)

bronzeMedal Sarah Pantaleo (15 out of 16 patents)

4.  Andrew Q Liu (14 out of 15 patents)

5.  Steven J Muske (14 out of 18 patents)

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