Average Co-Inventor Count = 3.33
ph-index = 4
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. Deere & Company (4 from 8,524 patents)
4 patents:
1. 7051663 - Pivoting planting units vertically
2. 6688242 - Frame folding arrangement with vertically pivoting planting units
3. 6588351 - Planting unit lockup device for seeding machine
4. 6581530 - Folding walkway for seeding machine