Katy, Texas
United States
3
2025-01-30
The entities that hold a legal rights for patent applications filed by inventor Sonne Darrell S.:
Darrell S. Sonne from Katy, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Method of preparing a first combined digital signal to be transmitted along a wireline deployed in a well, and method of preparing and transmitting telemetry data along a wireline deployed in a well
#2 | 2020-05-14METHOD AND APPARATUS FOR PERFORMING A SURVEY OF TUBING WHICH IS STUCK IN A BOREHOLE, E.G. FOR DETERMINING A FREE POINT
#3 | 2019-05-23Overvoltage clamp with parallel controlled resistive path
2511573 ⎘