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For the Inventor, By the Inventor

Avondale, PA, United States of America

Edgecraft Corporation


USPTO Granted Patents = 92



Trademarks = 57

Forward Citations = 2,052

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36 inventors (with patents filed for the assignee):

goldMedal Daniel D Friel, Sr (68 out of 75 patents)

silverMedal Daniel D Friel, Jr (39 out of 40 patents)

bronzeMedal Bela Elek (25 out of 25 patents)

4.  Samuel Weiner (18 out of 18 patents)

5.  Thomas M Huber (13 out of 19 patents)

6.  Robert P Bigliano (13 out of 13 patents)

7.  Abraham Leibson (13 out of 16 patents)

8.  George C Jensen (7 out of 7 patents)

9.  James P Fitzgerald (5 out of 25 patents)

10.  H William Busch, Jr (3 out of 4 patents)

11.  Terry Hall (3 out of 3 patents)

12.  Cassandra Wilson Gluyas (2 out of 2 patents)

13.  Thomas Walter Gluyas (2 out of 2 patents)

14.  Tom Long (2 out of 2 patents)

15.  Eckhard Siegler (2 out of 4 patents)


Core Competencies:
Knife Sharpeners
Electric Sharpener
Manual Sharpener
Two Stage Sharpener
Precision Sharpening
Food Slicers
Kettle Technology
Waffle Makers
Baking Apparatus
Cross-Grind Sharpening
Blade Conditioning
Combination Sharpener

92 patents:

1. 11826869 - Knife and tool sharpener (2023-11-28),
2. 11478890 - Assembly for sharpening and observing wear on a blade (2022-10-25),
3. D863914 - Sharpener (2019-10-22),
4. D813004 - Compact manual sharpener (2018-03-20),
5. D803648 - Two stage electric sharpener (2017-11-28),
6. 9656372 - Sharpener for thick knives (2017-05-23),
7. 9649749 - Manual sharpener (2017-05-16),
8. D769665 - Kettle (2016-10-25),
9. 9386880 - Waffle maker (2016-07-12),
10. 9333613 - Sharpener for knives with widely different edge angles (2016-05-10),
11. D754514 - Compact manual sharpener (2016-04-26),
12. 9242331 - Electric sharpener for ceramic and metal blades (2016-01-26),
13. 9168627 - Knife sharpener for asian and european/american knives (2015-10-27),
14. D736029 - Table top grill (2015-08-11),
15. D721937 - Electric knife sharpener (2015-02-03),
EDGECRAFT CORPORATION is a leading manufacturer of high-quality cutting tools and kitchen gadgets. With a strong commitment to innovation, precision, and customer satisfaction, we have been serving our clients for over 50 years. Our extensive product line includes knives, sharpeners, food slicers, and other accessories for both professional chefs and home cooks. Visit our website to explore our wide range of products and learn more about our company.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

92 Patents

#1 in Avondale, PA

#151 in Pennsylvania

#3,920 in US

#8,107 in the World

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Avondale, PA, United States of America

Edgecraft Corporation

Forward Citations = 2,052

36 inventors:

goldMedal Daniel D Friel, Sr (68 out of 75 patents)

silverMedal Daniel D Friel, Jr (39 out of 40 patents)

bronzeMedal Bela Elek (25 out of 25 patents)

4.  Samuel Weiner (18 out of 18 patents)

5.  Thomas M Huber (13 out of 19 patents)

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