Average Co-Inventor Count = 1.40
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. Rauma Repola Oy (2 from 47 patents)
2. Velsa Oy (1 from 1 patent)
3 patents:
1. 4708218 - Drive bogie for a crawler vehicle and a crawler mat for use therewith
2. 4132289 - Lubrication arrangement for the blade chain of a felling saw
3. D248953 - Tree harvester