Average Co-Inventor Count = 3.13
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. W. Hegenscheidt Gmbh (3 from 4 patents)
2. Wilhelm Hegenscheidt Gmbh (1 from 15 patents)
3. Wilhelm Hegenscheidt Gesellschaft MIT Beschraenkter Haftung (1 from 1 patent)
4. Wilhelm Hegenscheidt Gesellshaft Mbh (1 from 1 patent)
6 patents:
1. 4766753 - Rolling apparatus for surface hardening or smoothing
2. 4747286 - Rolling apparatus
3. 4747285 - Surface-hardening or smoothing rolling machine
4. 4539831 - Method for setting the stroke of movable rolling units, and crankshaft
5. 4405266 - Deep drilling machine
6. 4195957 - Boring tool with floating double edged knife