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.
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