IP Library › Granted Patent US 726,289
Granted Patent S1
US 726,289 · App. 29/444,223 · Granted Apr 7, 2015

Shale drill pipe

Inventors: Mazhar Mahmood (Houston, TX); Marta Lafuente (Houston, TX); Scott Granger (Houston, TX)
Assignee: Vam Drilling USA, Inc.
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 726,289
App. No.
29/444,223
Granted
Apr 7, 2015
Kind
S1
Claims (1)

The ornamental design for a shale drill pipe, as shown and described.

Assignments (2)
CHANGE OF NAME Recorded Jun 7, 2018
From: VAM DRILLING USA, INC.
To: VALLOUREC DRILLING PRODUCTS USA, INC.
Reel/Frame 047041/0301 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 29, 2013
From: MAHMOOD, MAZHAR; LAFUENTE, MARTA; GRANGER, SCOTT
To: VAM DRILLING USA, INC.
Reel/Frame 030112/0607 →