Average Co-Inventor Count = 1.20
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. Allis-chalmers Corporation (2 from 532 patents)
2. Deutz-allis Corporation (1 from 25 patents)
3 patents:
1. 4835954 - Combine header with skid plates
2. 4444000 - Harvester header construction
3. 4441307 - Harvester header with floating cutter bar