P

Inventor

GARRETT WILLIAM R

US29 patents
⚠️ This page may combine multiple inventors who share the name “GARRETT WILLIAM R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SMITH INTERNATIONAL

18 patents
US4615401AOct 7, 1986

Automatic hydraulic thruster

SMITH INTERNATIONAL103 citations96
US4480703ANov 6, 1984

Drilling head

SMITH INTERNATIONAL134 citations96
US4434863AMar 6, 1984

Drill string splined resilient tubular telescopic joint for balanced load drilling of deep holes

SMITH INTERNATIONAL82 citations96
US4304310ADec 8, 1981

Drilling head

SMITH INTERNATIONAL103 citations96
US4285406AAug 25, 1981

Drilling head

SMITH INTERNATIONAL64 citations96
US4281726AAug 4, 1981

Drill string splined resilient tubular telescopic joint for balanced load drilling of deep holes

SMITH INTERNATIONAL70 citations96
US4281724AAug 4, 1981

Drilling head

SMITH INTERNATIONAL93 citations96
US4171560AOct 23, 1979

Method of assembling a wear sleeve on a drill pipe assembly

SMITH INTERNATIONAL58 citations96
US4146060AMar 27, 1979

Drill pipe wear belt assembly

SMITH INTERNATIONAL81 citations96
US4436118AMar 13, 1984

Sleeved drill pipe

SMITH INTERNATIONAL32 citations92
US4189012AFeb 19, 1980

Earth boring tool

SMITH INTERNATIONAL32 citations92
US4182425AJan 8, 1980

Reamer

SMITH INTERNATIONAL49 citations92
US4040495AAug 9, 1977

Drilling apparatus

SMITH INTERNATIONAL50 citations92
US4499924AFeb 19, 1985

Method of making a drill pipe wear sleeve assembly and product thereof

SMITH INTERNATIONAL16 citations74
US4458404AJul 10, 1984

Method of making sleeved drill pipe

SMITH INTERNATIONAL19 citations74
US4261426AApr 14, 1981

Reamer stabilizer

SMITH INTERNATIONAL16 citations74
US4217966AAug 19, 1980

Junk basket, bit and reamer stabilizer

SMITH INTERNATIONAL16 citations74
US4522234AJun 11, 1985

Multiple conduit drill pipe

SMITH INTERNATIONAL8 citations73

GARRETT WILLIAM R

5 patents

HUGHES TOOL CO

2 patents

ONCOR CORP

1 patent

US ENERGY

1 patent

FERRO CORP

1 patent

DELAWARE MACHINERY AND TOOL CO

1 patent