281.491.2331 13839 West Bellfort Street Sugar Land, TX
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281.491.2331 13839 West Bellfort Street Sugar Land, TX
Service | News
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Patents

WELKER > Patents
ModelPatent Number
CPCCP - Constant Pressure Crude Container with Integral Mounted Pump6,422,737
Adjustable Venturi Fitting
6,439,267
Instrument Probe Regulator with Valve and Separator6,761,757
The Knock-Out6,764,536
Sentinel6,818,045
Temperature Probe and Insertion Device6,827,486
Temperature Probe and Insertion Device6,964,517
Shaped Probe for Deeper Insertion7,194,920
Pressure Reduction System for Quick-Connects7,156,123
Newtonian Thruster7,493,914
The Heated Inducer7,471,882
Odorant Tank Purge8,202,331
Cryogenic Check Probe8,347,694
LNG Cylinder8,210,058
Removable AI Siphon7,856,997
Welker Fluid Sentinel w/ Flow Directional Tubing Element8,113,070
Welker Fluid Sentinel w/ Flow Directional Drilling8,127,625
LNG Dewar Cylinder Apparatus and Method8,800,394
Gasoline Blending Sample Retention System9,255,862
LSM-109,506,842
Self Cleaning Filter in Sample Pump9,410,541
Gasoline Blending Sample Retention System - Method9,651,459
Triple Solenoid Odorizer10,344,237
Pumpless Odorant Injection SystemPatent Pending