Average Co-Inventor Count = 2.00
ph-index = 1
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. Primed Halberstadt Medizintechnikgmbh (2 from 3 patents)
2. Primed Halberstadt Medizintechnik Gmbh (1 from 10 patents)
3 patents:
1. D999368 - Speaking valve with breathing filter for a tracheal tube
2. D940308 - Adapter for a tracheal tube
3. 10842961 - Arrangement in the form of a tracheostoma prosthesis for easy insertion and easy removal of an inner cannula