Average Co-Inventor Count = 4.09
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. Other (5 from 832,812 patents)
5 patents:
1. 4332997 - Apparatus for delivery of valves and melting rings to an inductor heater
2. 4292486 - Apparatus for delivery of melting rings and valves to an inductor heater
3. 4214139 - Apparatus for surfacing internal combustion engines valves
4. 4144432 - Apparatus for surfacing valves for internal combustion engines
5. 4116375 - Apparatus for hard facing of valves for internal combustion engines