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. Century Mfg. Co. (2 from 33 patents)
2. Other (1 from 832,891 patents)
3 patents:
1. 4916270 - Mig welder cutting head attachment
2. 4896016 - Plasma arc metal cutting apparatus with actuation spring
3. 4829223 - Vehicle battery charger