Average Co-Inventor Count = 1.20
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. Carrier Corporation (4 from 3,952 patents)
4 patents:
1. 4947548 - Method of making a heat exchanger for condensing furnace
2. 4848314 - Condensing furnace
3. 4807588 - Water permeable heat exchanger for condensing furnace
4. 4738307 - Heat exchanger for condensing furnace