Average Co-Inventor Count = 1.20
ph-index = 5
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 (7 from 532 patents)
7 patents:
1. 4506749 - Underhood muffler for tractor
2. D277861 - Tractor
3. 4491191 - Adjustable tractor grille shell
4. 4462611 - Front end tractor weight assembly
5. 4458774 - Side panel latch for engine hood
6. 4091905 - Sump oil transfer system
7. 4042053 - Four-wheel drive tractor