Average Co-Inventor Count = 3.00
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. Dragerwerk Aktiengesellschaft (2 from 552 patents)
2 patents:
1. 4392389 - Sampling tube having closing caps
2. 4289238 - Readiness receptacle for respirators