Average Co-Inventor Count = 2.00
ph-index = 3
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. Raytheon Company (2 from 8,181 patents)
2. Amana Refrigeration, Inc. (1 from 82 patents)
3 patents:
1. 4274581 - Package heat exchanger system for heating and cooling
2. 4171772 - Package heat exchanger system for heating and cooling
3. 4125151 - Package heat exchanger system for heating and cooling