Average Co-Inventor Count = 2.50
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. Oy Uponor Ab (2 from 7 patents)
2. Uponor N.v. (1 from 12 patents)
3 patents:
1. 5139730 - Method and apparatus for manufacturing ribbed pipe
2. 4933134 - Method and device for extrusion of a double wall plastics pipe
3. 4790975 - Method and device for extrusion of a double wall plastics pipe