ES

Edward J. Speare

H( Hunting Oilfield Services (Uk): 4 patents #5 of 19Top 30%
KS Kawasaki Steel: 4 patents #280 of 1,922Top 15%
📍 Bedford, GB: #43 of 287 inventorsTop 15%
Overall (All Time): #1,305,801 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4673201 Pipe connector Geoffrey C. Dearden, Katsuo Ueno, Donald N. Jones 1987-06-16
4629222 Pipe connector Geoffrey C. Dearden, Katsuo Ueno, Donald N. Jones 1986-12-16
4629223 Pipe connector Geoffrey C. Dearden, Katsuo Ueno, Donald N. Jones 1986-12-16
4582348 Pipe connector with varied thread pitch Geoffrey C. Dearden, Katsuo Ueno, Donald N. Jones 1986-04-15