Average Co-Inventor Count = 2.40
ph-index = 2
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. Helsa-werke Helmut Sandler Gmbh & Co. Kg (2 from 10 patents)
2 patents:
1. 6423123 - Filtering material for fluidic media and a method and device for producing such a filtering material
2. 5603753 - Filter device having elongate absorber particles fixed to a flat carrier