Average Co-Inventor Count = 1.92
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. Energy Systems, Inc. (3 from 15 patents)
2. Other (1 from 832,843 patents)
4 patents:
1. 4294225 - Diver heater system
2. 4172495 - Slurry cooling of helmets
3. 4168556 - Roll and heave stabilized buoyant body
4. 4010704 - Buoyant sphere