Ontario
Canada
3
2024-10-03
The entities that hold a legal rights for patent applications filed by inventor Ma Tiejun:
Tiejun Ma from Ontario, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
WELDING TORCH CONSUMABLES CLEANING SYSTEMS
#2 | 2020-12-03WELDING TORCH AND WIRE FEEDER THAT USE ELECTRODE WIRE FOR VOLTAGE SENSING
#3 | 2020-12-03Systems and methods to monitor the life of a welding torch
2921931 ⎘