Katy, Texas
United States
5
2019-02-14
The entities that hold a legal rights for patent applications filed by inventor Ward John D.:
John D. Ward from Katy, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Delayed coke drum quench systems and methods having reduced atmospheric emissions
#2 | 2018-07-05Delayed coke drum quench systems and methods having reduced atmospheric emissions
#3 | 2014-09-18Delayed coking drum quench overflow systems and methods
#4 | 2013-12-26Efficient method for improved coker gas oil quality
#5 | 2010-10-28Efficient method for improved coker gas oil quality
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