Issued Patents All Time
Showing 351–375 of 555 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6023109 | Multi-voltage control circuit of battery or multiple independent DC power | — | 2000-02-08 |
| 6023419 | Capacitor regulated controllable voltage and current power supply | — | 2000-02-08 |
| 5982116 | Controllable combined power system using an active power source rotation speed as the proportional control reference | — | 1999-11-09 |
| 5966000 | Storage battery auxiliary charging system with surveillance functions | — | 1999-10-12 |
| 5925963 | Magnetic circuit structure for a DC electrical machine having high resistance to cross magnetic flux | — | 1999-07-20 |
| D410232 | Hand electrical control device | — | 1999-05-25 |
| D409595 | Hand electric control device | — | 1999-05-11 |
| 5898280 | DC shunt (or compound) motor pair capable of synchronous operation | — | 1999-04-27 |
| 5894177 | Segmented armature winding for a DC motor | — | 1999-04-13 |
| 5880581 | AC or bidirectional circuit utilizing unipolar capacitors | — | 1999-03-09 |
| 5844248 | Circuit arrangement including photoelectric transducers for supplying a high voltage driving signal to an insulated gate bipolar transistor | — | 1998-12-01 |
| 5831402 | Double direction actuating type tool of loose forward and loose backward assisting style | — | 1998-11-03 |
| 5828136 | Combined power system using a rotation speed and torque detector | — | 1998-10-27 |
| 5799933 | Adjustable clamping jaw for a vise | — | 1998-09-01 |
| 5780950 | Co-axial magnetic circuit type compound rotor electrical machine | — | 1998-07-14 |
| 5765440 | Double-acting dynamic back clearance relief driving system | — | 1998-06-16 |
| 5764459 | DC circuit breaking spark suppressor device | — | 1998-06-09 |
| 5751087 | Armature winding offset angle excited and speed controlled rectifier type electric machine | — | 1998-05-12 |
| 5737037 | Synthetic color television system having display using an integral overlapping color filter assembly | — | 1998-04-07 |
| 5703448 | Shunt-type speed control circuit having transient storage effect for a series or compound motor | — | 1997-12-30 |
| 5680019 | Reverse proportional voltage adjusting circuit system | — | 1997-10-21 |
| 5674169 | Tunnel type or dragon-gate type processing system assembled with selected elements and its related interface means | — | 1997-10-07 |
| 5666257 | DC circuit breaking spark suppressor circuit device | — | 1997-09-09 |
| 5661625 | Circuit device for unstable power source transient state compensation and low voltage cutoff protection of an active controller component | — | 1997-08-26 |
| 5644200 | Driving electrical machine speed controlled power combined system and device | — | 1997-07-01 |