DL

David Grant Lingnau

📍 Calgary, CA: #544 of 5,407 inventorsTop 15%
Overall (All Time): #683,040 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12320011 Vitreous coating application by induction heating and integration with induction kinetic weld joining Jeff Cochrane 2025-06-03
11773495 Vitreous coating application by induction heating and integration with induction kinetic weld joining Jeff Cochrane 2023-10-03
11072036 Concentric welded pipes with condition monitoring capability and method of manufacture 2021-07-27
10926350 Integrated heat treatment apparatus and method for autogenous welding 2021-02-23
7931184 Apparatus for induction friction solid state welding Colin McDonald 2011-04-26
6637642 Method of solid state welding and welded parts 2003-10-28
5660753 Apparatus for high frequency induction heating for the removal of coatings from metal surfaces 1997-08-26