Patents/Inventors

Douglas Brian Farley

Missouri City, TXUS5 patents

4 Patents

US125843802026
Combination Landing and Float Collar
DOWNHOLE PRODUCTS LIMITED
0 cites
US123922192025
Ball Deflector for Float Collar
DOWNHOLE PRODUCTS LIMITED
0 cites
US123054522025
Centralizer Having Internal Stop Collar
DOWNHOLE PRODUCTS LIMITED
0 cites
US118409052023
Stage Tool
Weatherford Technology Holdings, LLC
0 cites