Average Co-Inventor Count = 4.00
ph-index = 1
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. Tennant Company (2 from 265 patents)
2 patents:
1. 10881260 - Surface maintenance machine with a quick alignment mechanism for a cleaning tool
2. 10092158 - Surface maintenance machine with a quick alignment mechanism for a cleaning tool