Katy, Texas
United States
4
2016-10-20
The entities that hold a legal rights for patent applications filed by inventor Wang Zeping:
Zeping Wang from Katy, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Oil shaped charge for deeper penetration
#2 | 2015-10-08EXPLOSIVE PILE DEVICE FOR INCREASING PILE CAPACITY
#3 | 2013-10-17Devices and methods for perforating a wellbore
#4 | 2009-10-15Devices and methods for perforating a wellbore
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