IJ

Irvin D. Johnson

MO Marathon Oil: 8 patents #13 of 204Top 7%
📍 Englewood, CO: #117 of 810 inventorsTop 15%
🗺 Colorado: #5,842 of 40,980 inventorsTop 15%
Overall (All Time): #671,064 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
4809778 Oil well tool for in situ release of wellbore treatment fluid 1989-03-07
4790386 Method and means for introducing treatment composition into a well bore Charles R. Bruce 1988-12-13
4644263 Method and apparatus for measuring water in crude oil 1987-02-17
4581927 Self-contained bore hole flow measurement system and method therefor 1986-04-15
4576042 Flow basket 1986-03-18
4404843 Cryogenic storage tank leak detection system Gary M. Timlin, Robert D. Yuill 1983-09-20
4390836 Method and apparatus for the detection of pipeline holidays Charles R. Bruce 1983-06-28
4314476 Well fluid velocity measurement method and system 1982-02-09