Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700958 | Inertia force flowmeter with transverse pressure gradient sensors | Hyok S. Lew | 1997-12-23 |
| 5675091 | Step-wise tracking electronic filter with offset up and down transition | Hyok S. Lew, Hyon S. Lew | 1997-10-07 |
| 5663509 | Inertia force flowmeter | Hyok S. Lew | 1997-09-02 |
| 5627325 | Capacitively coupled ohmic resistance position sensor | Hyok S. Lew | 1997-05-06 |
| 5602344 | Inertia force flowmeter | Hyok S. Lew | 1997-02-11 |
| 5598103 | Interface distance sensor and its application to pressure sensing | Hyok S. Lew | 1997-01-28 |
| 5591923 | Electroic filter for flowmeters with compound controls | Hyok S. Lew, Hyon S. Lew | 1997-01-07 |
| 5540106 | Electronic method for measuring mass flow rate | Hyok S. Lew | 1996-07-30 |
| 5504789 | Phase detetion method for flow measurement and other applications | Hyok S. Lew, Yon K. Lew | 1996-04-02 |
| 5501106 | Inertia force flowmeter with pivotally supported vibrating conduit | Hyok S. Lew, Yon K. Lew | 1996-03-26 |
| 5499544 | Capacitively coupled ohmic resistance position sensor | Hyok S. Lew | 1996-03-19 |
| 5493915 | Fluid dynamic torsional vortex sensor | Syok S. Lew, Yon K. Lew | 1996-02-27 |
| 5460053 | Electronic method for mass flow measurement | Hyok S. Lew, Yon K. Lew | 1995-10-24 |
| 5456121 | Pivotable vane flowmeter with capacitive position sensor | Hyok S. Lew, Yon K. Lew | 1995-10-10 |
| 5455588 | Method for determining target velocity by measuring phase shift | Hyok S. Lew | 1995-10-03 |
| 5450760 | Turbine flowmeter with capacitive transducer | Hyok S. Lew, Yon K. Lew | 1995-09-19 |
| 5435188 | Electronic filter for flowmeters with compound controls | Hyok S. Lew, Hyon S. Lew | 1995-07-25 |
| 5419189 | Method for obtaining zero flowmeter reading for zero flow | Hyok S. Lew, Hyon S. Lew | 1995-05-30 |
| 5417118 | Magnetic flowmeter determining flow rate from phase angle difference | Hyok S. Lew, Yon K. Lew | 1995-05-23 |
| 5407214 | Fire barrier gasket seal | Hyok S. Lew | 1995-04-18 |
| 5392656 | Nonvibrating conduit inertia force flowmeter | Hyok S. Lew | 1995-02-28 |
| 5359901 | Method for measuring mass flow rate | Hyok S. Lew | 1994-11-01 |
| 5355737 | Single vibrating conduit mass flowmeter | Hyok S. Lew | 1994-10-18 |
| 5351556 | Compound electronic filter for vortex flowmeters | Hyok S. Lew | 1994-10-04 |
| 5347875 | Capacitor-coupled ohmic resistance position sensor | Hyok S. Lew | 1994-09-20 |