Average Co-Inventor Count = 1.96
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. Caterpillar Tractor Co. (1 from 1,981 patents)
2. Towmotor Corporation (1 from 199 patents)
3. Caterpillar Industrial Inc. (1 from 64 patents)
3 patents:
1. D295105 - Automatic guided vehicle
2. D257432 - Lift truck
3. D251727 - Lift truck instrument panel