Inventor

WENTWORTH STEVEN W

US76 patents

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

WENTWORTH STEVEN W

EARTH TOOL CO LLC

Roller pipe burster

Method and apparatus for replacement of underground pipe

Drill bit for directional drilling

Rod gripping jaw

Sonde housing for directional drilling

Joint for use in a directional boring apparatus

Method and apparatus for installation of underground pipes

Drill bit for directional drilling

Apparatus for mounting an electronic device for use in directional drilling

Sonde housing structure

Method and bit for directional horizontal boring

Drill head for directional boring

Bit for directional drilling

Method for installing an underground pipe

Ground piercing tool with plastic body

Apparatus for directional drilling

Method and apparatus for on-grade boring

Winch with telescoping mast

Method and apparatus for replacement of underground pipe

Drill bit for directional drilling in cobble formations

Pipe replacement method and rotary impact mechanism for pipe bursting

Drill bit for impact-assisted directional boring

Method and apparatus for installation of underground pipe

Method and accessories for pipe replacement

Method and apparatus for replacement of underground pipe

Method for extracting underground pipe

Impact device for directional boring

Pneumatic ground piercing tool with movable chisel head

Portable winch

Rod pulling and pushing machine for pipe bursting

Method and apparatus for slitting flexible pipe in an underground bore

Apparatus for mounting an electronic device for use in directional drilling

Portable pulling apparatus

Method and apparatus for replacement of pipelines

Lead pipe spudding prior to extraction or remediation

Extraction of ductile pipe

EARTH TOOL CORP

Pneumatic impact tool for pipe insertion

Pneumatic ground piercing tool

Pneumatic ground piercing tool with detachable head

Reversible pneumatic ground piercing tool

Dual-diameter pneumatic ground piercing tool

Neutral-centering valve control system

Method for making a pneumatic ground piercing tool

WENTWORTH STEVEN W

Joint for use in back reaming

Rod pulling and pushing machine for pipe bursting

Dynamic steering tool

EARTHJTOOL COMPANY L L C

Drill string joint

HARLEY DAVIDSON INC

Motorcycle

EARTH TOOL LLC

Reversible pneumatic ground piercing tool

RANDA MARK D

Beacon assembly