John L. Schneider

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Skene, Aberdeenshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Plugs for well logging operations
- Patent number 5,579,841
- Issue date Dec 3, 1996
- Phoenix Petroleum Services Ltd.
- John L. Schneider
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for monitoring well fluid parameters
- Patent number 5,213,159
- Issue date May 25, 1993
- John L. Schneider
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for detonating well perforators
- Patent number 5,167,282
- Issue date Dec 1, 1992
- Phoenix Petroleum Services Ltd.
- John L. Schneider
- E21 - EARTH DRILLING MINING
Information Patent Grant
Plug for well logging operations
- Patent number 5,099,919
- Issue date Mar 31, 1992
- John L. Schneider
- E21 - EARTH DRILLING MINING
Information Patent Grant
Detonating heads
- Patent number 4,924,952
- Issue date May 15, 1990
- John L. Schneider
- E21 - EARTH DRILLING MINING
Information Patent Grant
Installation of downhole pumps in wells
- Patent number 4,898,244
- Issue date Feb 6, 1990
- John L. Schneider
- E21 - EARTH DRILLING MINING