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. Waggonfabrik Uerdingen A.g. (1 from 7 patents)
2. Duewag Aktiengesellschaft (1 from 4 patents)
2 patents:
1. 4343507 - Mounting arrangement for a ventilation or heating system for vehicles
2. 4289247 - Arrangement for arresting and releasing an intermediate buffer coupling