Inventors list |
Assignees list |
Classification tree browser |
Top 100 Inventors |
Top 100 Assignees |
WELKER FLOW MEASUREMENT SYSTEMS, INC.
| WELKER FLOW MEASUREMENT SYSTEMS, INC. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090293582 | METHOD AND APPARATUS FOR A BIDIRECTIONAL METER PROVING SYSTEM - A bidirectional sphere prover is used to check the accuracy of a custody transfer meter when fluids, such as crude oil or gasoline are bought and sold. The bidirectional sphere prover of the present invention uses a straight calibrated section of pipe between the detection switches, the straight calibrated section of pipe being free of welds, flanges and elbows. | 12-03-2009 |