Fuel tank level monitoring system
US 10,267,665
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Fuel tank level monitoring system
US 10,101,191
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Fuel tank level monitoring system
US 9,874,470
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Apparatus and method for controlling irrigation process by sending encoded acoustical messages along irrigation conduit
US 10,261,523
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Containment of downhole electronic systems
US 5,647,435
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Dissolvable well plug
US 5,607,017
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Downhole magnetic position sensor
US 5,666,050
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Downhole power and communication system
US 5,995,020
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Downhole power transmission system
US 5,744,877
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Downhole signal conveying system
US 5,456,316
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Downhole system for extending the life span of electronic components
US 5,547,028
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Downhole vibration monitoring of a drillstring
US 4,903,245
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Fuel tank level monitoring system
US 10,197,428
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Fuel tank level monitoring system
US 9,874,470
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Fuel oil and propane monitoring, delivery and sale system and method
US 8,079,245
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Integrated converter for extending the life span of electronic components
US 5,720,342
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Method & apparatus for actuating a downhole tool
US 5,558,153
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Method and apparatus for communicating coded messages in a wellbore
US 6,414,905
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Method and apparatus for communicating coded messages in a wellbore
US 5,579,283
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Method and apparatus for communicating data in a wellbore and for detecting the influx of gas
US 5,592,438
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Method and apparatus for communicating data in a wellbore and for detecting the influx of gas
US 5,850,369
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Method and apparatus for communicating data in a wellbore and for detecting the influx of gas
US 6,208,586
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Method and apparatus for providing controlled force transference to a wellbore tool
US 5,343,963
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Method of locating a cementing plug in a subterranean wall
US 6,401,814
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Moisture stabilization control system for foundations
US 5,156,494
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Multi-functional downhole cable system
US 5,769,160
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Remote control for a plug-dropping head
US 5,856,790
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Remote control for a plug-dropping head
US 5,435,390
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Remote control for well tool
US 5,590,713
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Subsurface well apparatus
US 6,055,213
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Surface controlled reservoir analysis and management system
US 5,547,029
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System and method for determining the inclination of a wellbore
US 6,944,545
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Vacuum insulated converter for extending the life span of electronic components
US 5,730,217
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