Average Co-Inventor Count = 1.29
ph-index = 3
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. Firma Gebr. Poensgen & Sulzmann Gmbh (2 from 2 patents)
2. Passat-maschinenbau Gmbh (1 from 5 patents)
3 patents:
1. 5025645 - Washing machine
2. 4156358 - Drum for the wet treatment of materials
3. 4136537 - Drum-type machine for the treatment of batchwise textile material