Inventor

NEVELS DAVID L

US4 patents

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

BAKER HUGHES INC

1 patent

US4842069AJun 27, 1989

Apparatus and method for cementing a liner in a well bore

BAKER HUGHES INC28 citations90

HUGHES TOOL CO

1 patent

US4598774AJul 8, 1986

Setting tool with retractable torque fingers

HUGHES TOOL CO20 citations80

STINGERIE JASON C

1 patent

US9074437B2Jul 7, 2015

Actuation and release tool for subterranean tools

STINGERIE JASON C7 citations75

NEVELS DAVID L

1 patent

US8517114B2Aug 27, 2013

Mechanical lock with pressure balanced floating piston

NEVELS DAVID L4 citations54