Growing community of inventors

Greenville, DE, United States of America

Daniel D Friel, Sr

Average Co-Inventor Count = 1.57

ph-index = 28

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 2,015

Daniel D Friel, SrDaniel D Friel, Jr (19 patents)Daniel D Friel, SrBela Elek (14 patents)Daniel D Friel, SrRobert P Bigliano (13 patents)Daniel D Friel, SrAbraham Leibson (10 patents)Daniel D Friel, SrJames P Fitzgerald (5 patents)Daniel D Friel, SrThomas M Huber (5 patents)Daniel D Friel, SrSamuel Weiner (3 patents)Daniel D Friel, SrH William Busch, Jr (3 patents)Daniel D Friel, SrTerry Hall (2 patents)Daniel D Friel, SrTom Long (2 patents)Daniel D Friel, SrGeorge C Jensen (1 patent)Daniel D Friel, SrEckhard Siegler (1 patent)Daniel D Friel, SrBjoern Berger (1 patent)Daniel D Friel, SrBrian Brant (1 patent)Daniel D Friel, SrTerry J Hall, Sr (1 patent)Daniel D Friel, SrAngela Bigliano, Legal Representative (1 patent)Daniel D Friel, SrJeremy J Lacombe (1 patent)Daniel D Friel, SrDaniel E Friel, Jr (1 patent)Daniel D Friel, SrSteven J Gluck (1 patent)Daniel D Friel, SrDaniel D Friel, Sr (75 patents)Daniel D Friel, JrDaniel D Friel, Jr (40 patents)Bela ElekBela Elek (25 patents)Robert P BiglianoRobert P Bigliano (13 patents)Abraham LeibsonAbraham Leibson (16 patents)James P FitzgeraldJames P Fitzgerald (25 patents)Thomas M HuberThomas M Huber (19 patents)Samuel WeinerSamuel Weiner (18 patents)H William Busch, JrH William Busch, Jr (4 patents)Terry HallTerry Hall (3 patents)Tom LongTom Long (2 patents)George C JensenGeorge C Jensen (7 patents)Eckhard SieglerEckhard Siegler (4 patents)Bjoern BergerBjoern Berger (1 patent)Brian BrantBrian Brant (1 patent)Terry J Hall, SrTerry J Hall, Sr (1 patent)Angela Bigliano, Legal RepresentativeAngela Bigliano, Legal Representative (1 patent)Jeremy J LacombeJeremy J Lacombe (1 patent)Daniel E Friel, JrDaniel E Friel, Jr (1 patent)Steven J GluckSteven J Gluck (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Edgecraft Corporation (68 from 92 patents)

2. Other (3 from 832,891 patents)

3. E.i. Dupont De Nemours and Company (1 from 16,338 patents)

4. Edgecroft Corporation (1 from 1 patent)

5. Ed. Wuesthof Dreizackwerk Kg (1 from 1 patent)

6. Edgecraft Co. (1 from 1 patent)

7. Elek, Bela (0 patent)

8. Friel, Daniel D. Sr. (0 patent)


75 patents:

1. 9386880 - Waffle maker

2. 9333613 - Sharpener for knives with widely different edge angles

3. 9168627 - Knife sharpener for asian and european/american knives

4. D699534 - Knife sharpener

5. D688545 - Knife sharpener

6. 8430720 - Apparatus for precision steeling/conditioning of knife edges

7. D680399 - Three stage knife sharpener

8. RE43884 - Apparatus for precision steeling/conditioning of knife edges

9. D670954 - Pie maker

10. D669755 - Two stage manual knife sharpener

11. 8267750 - Apparatus for precision steeling/conditioning of knife edges

12. D665647 - Two-stage manual knife sharpener

13. 8124917 - Accurate temperature measurement in household kettles

14. D652284 - Three stage manual knife sharpener

15. D651887 - Two stage manual knife sharpener

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as of
1/1/2026
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