Average Co-Inventor Count = 2.40
ph-index = 4
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. Abb Lummus Crest, Inc. (3 from 25 patents)
2. Abb Lummus Global Inc. (1 from 93 patents)
3. Lummus Technology Inc. (290 patents)
4 patents:
1. 6827138 - Heat exchanger
2. 5425415 - Vertical heat exchanger
3. 5386871 - Thermal energy storage and recovery system
4. 5253703 - Waste heat exchanger