John Douglas Crabtree

City:

Gainesville, Texas

Country:

United States

Published Applications:

Last publication date:

2006-08-17

Top Assignees for applications by John Douglas Crabtree

The entities that hold a legal rights for patent applications filed by inventor Crabtree John Douglas:

Pipe Liners, Inc. 2 New Orleans, LA United States
Weatherford U.S.L.P. 1 Houston, TX United States

Recent patent applications by Crabtree John Douglas

John Douglas Crabtree from Gainesville, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2006-08-17

US20060182500A1

Mechanical engineering

Methods for aligning pipes and connecting the lined pipe with adjacent or lateral pipes

#2 | 2006-05-02

US11056235

Methods for lining pipes and connecting the lined pipe with adjacent or lateral pipes

InventorID:

4684420 ⎘