Issued Patents All Time
Showing 326–350 of 555 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6437544 | Serial stage power supply combination for emergency auxiliary charging apparatus | — | 2002-08-20 |
| 6433508 | Electric appliance equipped with redundant battery enabled by main power supply | — | 2002-08-13 |
| 6406163 | Solar cell lighting fixture integrated with heat sink | — | 2002-06-18 |
| RE37743 | Distributed differential mixing combined power system | — | 2002-06-11 |
| 6376932 | Solar cell-powered battery charging system in which battery output is controlled in response to charging current supplied by solar cell to battery | — | 2002-04-23 |
| 6369475 | Motor having closed magnetization circuit formed by the casing which holds the rotating shaft of the motor | — | 2002-04-09 |
| 6338588 | Stabilization coupling adapted to both sides of a rotatable clamp block | — | 2002-01-15 |
| 6336337 | Multi-stage compressor pump driving system for air conditioning and refrigeration applications | Yang Chen | 2002-01-08 |
| 6297575 | Combined power driven device having a three-layered electromechanical structure with common structures | — | 2001-10-02 |
| 6297808 | Controller device including at least one finger hole, a trackball, and a display screen | — | 2001-10-02 |
| 6288518 | Emergency supplemental charging device | Yang Chen | 2001-09-11 |
| 6278260 | Charging device which monitors charging by detecting a temperature of the battery and which includes compensation for increases or decreases in ambient temperature | — | 2001-08-21 |
| 6275011 | Charging device having a broad voltage changing range, automatic charging cutoff based on temperature detection, and charging status maintenance. | — | 2001-08-14 |
| 6268714 | Voltage limiting circuit connected in parallel with a battery set and including a series-connected impedance which permits linear adjustments | — | 2001-07-31 |
| 6196781 | Screw fastener with multiple threaded portions | — | 2001-03-06 |
| 6190206 | Conductor coupling incorporating a convexo-concave coupling labyrinth separator | — | 2001-02-20 |
| 6185834 | Centrifugally rotating type clothes drying hanger structure | — | 2001-02-13 |
| 6174619 | Structure for positioning electrode plates in a battery casing | — | 2001-01-16 |
| 6169350 | Electrical machine magnetic circuit structure in which pole-to-rotor air clearances vary asymmetrically to provide a more uniform flux distribution | — | 2001-01-02 |
| 6159633 | Electricity storage/discharge device with low internal resistance current collector structure | — | 2000-12-12 |
| 6137271 | Automatic polarity exchange circuit with current detection feedback capabilities | — | 2000-10-24 |
| 6129141 | Air conditioning/providing system directly through natural heat preserving main body | — | 2000-10-10 |
| 6097174 | Individually adjustable type automatic charging circuit for multiple batteries | Yang Chen | 2000-08-01 |
| 6081101 | Temperature switch controlled charging circuit | — | 2000-06-27 |
| 6028404 | Motor drive circuit system utilizing multiple DC power driving devices switchable between parallel, and series/parallel combinations | — | 2000-02-22 |