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. Hein-werner Corporation (3 from 51 patents)
3 patents:
1. 4950392 - Filtration tank for filtering waste water used in washing mechanical
2. 4930261 - Valve resurfacing apparatus and method for making the same
3. 4803783 - Apparatus for gauging the diameter and concentricity of a bore