Average Co-Inventor Count = 1.17
ph-index = 5
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. National Presto Industries, Inc. (7 from 185 patents)
7 patents:
1. 9138850 - Adjustable knife sharpener
2. 9138106 - Two-piece handle design for pressure cooker
3. 8491356 - Adjustable knife sharpener
4. 8276507 - Two-piece handle design for pressure cooker
5. D633189 - Dish-style electric heater
6. D632153 - Adjustable knife sharpener
7. 7740522 - Knife sharpener