P

Inventor

GUNSAULIS FLOYD R

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

CHARLES MACHINE WORKS

25 patents
US7389831B2Jun 24, 2008

Dual-member auger boring system

CHARLES MACHINE WORKS56 citations95
US7510029B2Mar 31, 2009

System for tracking and maintaining an on-grade horizontal borehole

CHARLES MACHINE WORKS20 citations92
US7216724B2May 15, 2007

Coupling for dual member pipe

CHARLES MACHINE WORKS46 citations92
US6250404B1Jun 26, 2001

Directional boring head

CHARLES MACHINE WORKS22 citations92
US7624816B2Dec 1, 2009

Configurable beacon and method

CHARLES MACHINE WORKS45 citations91
US7331409B2Feb 19, 2008

Configurable beacon and method

CHARLES MACHINE WORKS37 citations91
US9206851B2Dec 8, 2015

Horizontal directional drill pipe drive connection with locking feature

CHARLES MACHINE WORKS34 citations90
US6311790B1Nov 6, 2001

Removable boring head with tapered shank connector

CHARLES MACHINE WORKS32 citations90
US7663373B1Feb 16, 2010

Determining beacon location using magnetic field ratios

CHARLES MACHINE WORKS28 citations89
US7528946B2May 5, 2009

System for detecting deflection of a boring tool

CHARLES MACHINE WORKS11 citations84
US7353889B1Apr 8, 2008

Rotary driven pipe-bursting tool

CHARLES MACHINE WORKS11 citations84
US9834995B2Dec 5, 2017

Horizontal directional drill pipe drive connection with locking feature

CHARLES MACHINE WORKS4 citations83
US7896107B2Mar 1, 2011

System for tracking and maintaining on on-grade horizontal borehole

CHARLES MACHINE WORKS8 citations83
US7654340B2Feb 2, 2010

Directional reaming system

CHARLES MACHINE WORKS13 citations83
US7195079B2Mar 27, 2007

Directional reaming system

CHARLES MACHINE WORKS13 citations83
US11225840B2Jan 18, 2022

Horizontal directional drill string having dual fluid paths

CHARLES MACHINE WORKS3 citations73
US9828805B2Nov 28, 2017

Reamer with replaceable cutters

CHARLES MACHINE WORKS3 citations73
US12370513B2Jul 29, 2025

Batch processing of material collected by a vacuum excavation unit

CHARLES MACHINE WORKS0 citations62
US12000216B2Jun 4, 2024

Horizontal directional drill string having dual fluid paths

CHARLES MACHINE WORKS0 citations62
US11613947B2Mar 28, 2023

Drill pipe with internal flow check valve

CHARLES MACHINE WORKS0 citations62
US11401750B2Aug 2, 2022

Telemetry pipe system

CHARLES MACHINE WORKS0 citations62
US11530605B2Dec 20, 2022

Horizontal directional drilling crossbore detector

CHARLES MACHINE WORKS0 citations59
US10619420B2Apr 14, 2020

Reamer with replaceable rolling cutters

CHARLES MACHINE WORKS0 citations52
US9714544B2Jul 25, 2017

Reamer with replaceable rolling cutters

CHARLES MACHINE WORKS0 citations52
US10851599B2Dec 1, 2020

Horizontal directional drill pipe drive connection with locking feature

CHARLES MACHINE WORKS0 citations51

CHARLES MACHINES WORKS INC

2 patents

GUNSAULIS FLOYD R

1 patent

GARD MICHAEL F

1 patent