Christopher Brian Walker

City:

Cypress, Texas

Country:

United States

Published Applications:

Last publication date:

2020-10-01

Top Assignees for applications by Christopher Brian Walker

The entities that hold a legal rights for patent applications filed by inventor Walker Christopher Brian:

NATIONAL OILWELL VARCO, LP 4 Houston, TX United States

Recent patent applications by Walker Christopher Brian

Christopher Brian Walker from Cypress, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2020-10-01

US20200308911A1

Fixed constructions

Guidance systems and apparatus for power swivel

#2 | 2020-08-06

US20200248513A1

Fixed constructions

Power swivel and gooseneck

#3 | 2018-11-01

US20180313154A1

Fixed constructions

Power swivel and lubrication system

#4 | 2017-11-09

US20170321807A1

Mechanical engineering

Washpipe assemblies for a power swivel

InventorID:

2033340 ⎘