Average Co-Inventor Count = 2.80
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. (5 from 185 patents)
2. Amana Refrigeration, Inc. (2 from 82 patents)
7 patents:
1. D275029 - Automatic temperature sensing electric heater
2. D273931 - Combination microwave oven and exhaust vent hood
3. D267851 - Combination microwave and convection oven
4. D254769 - Pressure cooker regulator
5. D253867 - Pressure cooker
6. D253746 - Pressure cooker regulator
7. D253388 - Electric pressure cooker