Average Co-Inventor Count = 4.29
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. Vermeer Manufacturing Company, Inc. (6 from 470 patents)
6 patents:
1. 8602333 - Wood chipper infeed chute
2. 8567706 - Wood chipper feed roller
3. 8523095 - Feed control arrangement
4. 8317117 - Chipper drum with integral blower
5. 8141802 - Brush chipper
6. 7823813 - Lower feed stop bar