Average Co-Inventor Count = 1.97
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 Inc. (4 from 9,471 patents)
2. Other (1 from 832,891 patents)
3. Perkins Engines Company Limited (1 from 167 patents)
6 patents:
1. 11499283 - Wheel guard for compactor wheel
2. 11396977 - Axle assembly drain plug guard for landfill compactor
3. 11273671 - Axle differential guard
4. 11225893 - Compact selective catalytic reduction system
5. 10682884 - Axle differential guard
6. 6213574 - Baseball dispenser