Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7034899 | Radio command device A control unit (10) superimposes command signals on AC power passing on a power line or network (40). A command unit (20) controls and powers an electrical load (50) such as a motor M. A command processor (26) receives radio freque... | 04/25/2006 |
| 4980663 | Automated adjustment of air-core coil inductance The inductance value of air-core coils are adjusted using automated methods and inexpensive, noncomplicated apparatus. Adjusting tools are provided which displace coil turns in a linear motion with respect to the coil centerline. Specifically, the coil tu... | 12/25/1990 |
| 4546335 | Manual remote sound control for TV and radio and high fidelity A braided cord and a connector are provided for remote control of a rotary knob.... | 10/08/1985 |
| 4393277 | Remote tuner control system A remote tuner control system for responding to command signals transmitted by a user on a full-duplex communication channel. The tuner control system comprises a tone decoder coupled to the communication channel for conversion of pushbutton telephone ton... | 07/12/1983 |
| 4389731 | Remote control device for touch type tuner of television A touch type tuner of television is equipped with a touch control mechanism which has a plurality of touch fingers, each thereof having one end abutting against touch buttons of the tuner respectively. The touch control mechanism is communicating with a r... | 06/21/1983 |
| 4305155 | Exterior mounted remote control television channel selector An exterior mounted remote control television channel selector for use with a television receiver having a conventional manual channel selector knob is provided. A receiver mechanism is provided with a motor that is rotated in response to a remote control... | 12/08/1981 |
| 4078236 | Remote switching apparatus A remote switching apparatus, in which a transmitter is adapted to transmit a predetermined number of bursts of single frequency signal, to designate a particular digit. Preferably the group of bursts is preceded by a prepulse of particular character whic... | 03/07/1978 |
| 4048596 | Light-activated remote control unit A remote control unit for an electrical appliance includes a pair of photocells and one or more threshold devices connected to sense differential illumination of the photocells. The threshold devices, in turn, emit signals that initiate operation of a con... | 09/13/1977 |
