Average Co-Inventor Count = 3.46
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. Hartmann & Braun Ag (3 from 46 patents)
3 patents:
1. 4671664 - Photometer for measuring hot gases
2. 4287764 - Fluid analyzer construction and housing
3. 4220415 - Construction for photometric analyzer