| Patent No. | Patent Title: |
| 4555637 | High speed turbogenerator for power recovery from fluid flow with... |
| 4536126 | System and method employing a digital computer for automatically ... |
| 4523282 | Antiskid control circuit |
| 4517504 | Apparatus for sensing and memorizing model profile and for contro... |
| 4516064 | Stepper motor control device |
| 4514672 | Adaptive apparatus and method for control |
| 4513229 | Reel servo for tape transport |
| 4511017 | Elevator system |
| 4511828 | D.C. commutatorless electric motor |
| 4508971 | Two reservoir solar air-weight impelling hydro power system |
| 4508972 | Armature lift windmill |
| 4508998 | Brushless disc-type DC motor or generator |
| 4506765 | Proximity detector circuitry especially for lift doors |
| 4507590 | Brushless DC motor |
| 4505360 | Elevator operating system |
| 4506163 | Starter motor housing |
| 4504771 | Robot control apparatus |
| 4503939 | Elevator system |
| 4503337 | Power supply system for heat and electricity |
| 4503369 | Power supply for plural brushless DC motors |
| 4503373 | Numerical control system |
| 4501344 | Speed pattern generator for an elevator car |
| 4501345 | Elevator system |
| 4501973 | Skids for rotating machinery |
| 4499972 | Speed control system for a motor with short-circuited rotor |
| 4500817 | Tape tension sensor and servo embodying same |
| 4500825 | Self-starting single-phase synchronous motor |
| 4499975 | Control apparatus for elevators |
| 4499973 | Transportation system |
| 4500794 | Apparatus for automatically starting and stopping engine |
| 4500820 | Protective control apparatus for electrical vehicle |
| 4500821 | Speed or torque control circuit for an electronically commutated ... |
| 4500818 | Dual motor proportioning control |
| 4499974 | Terminal slowdown speed pattern generator |
| 4500819 | Auxiliary electric power supply for electric work vehicles |
| 4499408 | Control circuit for an electronically commutated motor, an integr... |
| 4499410 | Device for automatically adjusting the frequency of activation of... |
| 4498121 | Copper alloys for suppressing growth of Cu-Al intermetallic compo... |
| 4498017 | Generating power from wind |
| 4498016 | Locomotive governor control |
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