Average Co-Inventor Count = 2.67
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. Pfaff Industriemaschinen Gmbh (1 from 179 patents)
2. Durkopp Adler Aktiengesellschaft and Pfaff Industriemaschinen Gmbh (1 from 1 patent)
2 patents:
1. 5120952 - Device for detecting and counting warp and weft threads in a feed device
2. 5103749 - Process and sewing machine for sewing together layers of fabric