Inventor

EVANS JOHN G

US33 patents

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

EVANS JOHN G

BARD INC C R

Multi-lumen catheter with separate distal tips

Methods of power injecting a fluid through an access port

Assemblies for identifying a power injectable access port

Multifunction adaptor for an open-ended catheter

Implantable medical devices including septum-based indicators

Assemblies for identifying a power injectable access port

Radiopaque and septum-based indicators for a multi-lumen implantable port

Implantable medical devices including septum-based indicators

Vascular access port stem

Multi-lumen catheter with separate distal tips

Split-tip catheter

Implantable medical devices including septum-based indicators

Inflatable ports, catheter assemblies including inflatable ports, and methods thereof

Radiopaque and septum-based indicators for a multi-lumen implantable port

Radiopaque and septum-based indicators for a multi-lumen implantable port

BAKER HUGHES INC

Monitoring drilling performance in a sub-based unit

Methods and apparatus for manipulating and driving casing

Methods and apparatus for manipulating and driving casing

EVANS JOHN G

Radiopaque and septum-based indicators for a multi-lumen implantable port

Systems and methods for identifying an access port

RADFORD STEVEN R

Remotely controlled apparatus for downhole applications and methods of operation

Remotely-controlled downhole device and method for using same

BAKER HUGHES OILFIELD OPERATIONS LLC

Remotely controlled apparatus for downhole applications and methods of operation

Remotely controlled apparatus for downhole applications and methods of operation

HALLIBURTON ENERGY SERVICES INC

Directional drilling while conveying a lining member, with latching parking capabilities for multiple trips

Latchable casing while drilling systems and methods

HAMATAKE BRET

Implantable medical devices including septum-based indicators

ZAWACKI JOHN A

Multi-lumen catheter with separate distal tips

SHEETZ KEVIN W

Systems and methods for identifying an access port

PALING SPRING LIMITED

Cylinder attachment for elevating transporter

HETZ AVIGDOR

Speed control devices and methods for drop down tools

HILL FREEMAN L

Using LWT service to identify loss circulation areas in a wellbore

BLOCK WILLIAM T

Borehole and well data visualization