PC

Paul Po Cheng

EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
Overall (All Time): #361,488 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12275093 Method for attaching a tube to a workpiece 2025-04-15
12251772 Method for solid state welding 2025-03-18
12246405 Method for repairing rail wheels 2025-03-11
11717911 Method of fusing metal objects together 2023-08-08
11717913 Method and system for fusing pipe segments 2023-08-08
11602802 Method and system for fusing pipe segments 2023-03-14
11597032 Method and system for modifying metal objects 2023-03-07
11577295 System and method for connecting metal workpieces 2023-02-14
11413699 Method and system for fusing pipe segments 2022-08-16
10288193 Method and system for forming a pipeline 2019-05-14
9644769 System and method for welding tubular workpieces 2017-05-09
7022265 Polyamide resin compositions with electromagnetic interference shielding properties and articles formed therefrom Yuji Saga 2006-04-04
6707505 Method and apparatus for combining video and graphics Jhi-Chung Kuo, John McNally, Jeff Jang-Fang Suen, Henry Choy, Lin Liang 2004-03-16