HF

Hubert Fay

IP Institut Francais Du Petrole: 2 patents #627 of 1,676Top 40%
Overall (All Time): #2,295,158 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5321982 Method for measuring the rate of penetration of an equipment progressing in a well Jean Clot 1994-06-21
4926686 Method for determining the wear of the cutting means of a tool during drilling a rocky formation — 1990-05-22