Walter A. Helm

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Plainville, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for determining inclination angle of a borehol...
- Patent number 5,128,867
- Issue date Jul 7, 1992
- Teleco Oilfield Services Inc.
- Walter A. Helm
- E21 - EARTH DRILLING MINING
Information Patent Grant
Means for varying MWD tool operating modes from the surface
- Patent number 5,034,929
- Issue date Jul 23, 1991
- Teleco Oilfield Services Inc.
- Martin E. Cobern
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for measurement of azimuth of a borehole while...
- Patent number 5,012,412
- Issue date Apr 30, 1991
- Teleco Oilfield Services Inc.
- Walter A. Helm
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for remote signal entry into measurement while...
- Patent number 4,992,787
- Issue date Feb 12, 1991
- Teleco Oilfield Services Inc.
- Walter A. Helm
- E21 - EARTH DRILLING MINING