Fort Worth, Texas
United States
4
2013-03-28
The entities that hold a legal rights for patent applications filed by inventor Langdon John E.:
John E. Langdon from Fort Worth, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Process for dispersing nanocatalysts into petroleum-bearing formations
#2 | 2010-08-12Process for dispersing nanocatalysts into petroleum-bearing formations
#3 | 2008-09-11Process for dispersing nanocatalysts into petroleum-bearing formations
#4 | 2008-04-10System, method and apparatus for hydrogen-oxygen burner in downhole steam generator
159525 ⎘