Average Co-Inventor Count = 1.00
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. Ingersoll-rand Company (2 from 1,201 patents)
2. Simmons-rand Company (2 from 8 patents)
5 patents:
1. D362448 - Open seam friction rock stabilizer
2. D349120 - Open seam friction rock stabilizer
3. D340176 - Friction rock stabilizer
4. 5192169 - Friction rock stabilizer
5. 5192146 - Open seam friction rock stabilizer