Bizarre Patents
Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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 |
| 4205671 | Outflow detector and control arrangement An arrangement for detecting and controlling an outflow which includes a temperature sensing device for sensing a temperature of the outflow and providing a signal of the detected temperature. A control arrangement is provided and is operatively associate... | 06/03/1980 |
| 4154087 | Microrheoscopic detector for gases A microrheoscopic detector for gases, especially for infrared gas analyzers comprises a base and a heating conductor mounted to the base. Two resistance thermometers are disposed in the area of influence of the heating conductor and comprise thin wire whi... | 05/15/1979 |
| 4142170 | High response temperature sensor A fast response fluid temperature sensor is disclosed which consists of a silicon temperature sensing semiconductor chip mounted on an extremely thin fin having a high surface area to mass ratio. The fin being formed in the shape of a dome to fully enclos... | 02/27/1979 |
| 4107991 | Resistance bridge-type flowmeter Flow of fluid through a heated electrically conductive conduit is measured by detecting changes in resistance of the conduit caused by the flow. A resistance bridge is connected to spaced points along the conduit for performing the measurement.... | 08/22/1978 |
| 4066961 | Speed sensing Diesel engine speed is sensed by a thermistor which is disposed within an air inlet of the engine manifold so that the resistance of the thermistor varies in accordance with the temperature of the air within the inlet and thus in accordance with the speed... | 01/03/1978 |
| 4048992 | Insufflator The insufflator is used for introducing limited quantities of carbon dioxide into the human body for operational purposes, particularly for laparoscopy or hysteroscopy, and is of the type comprising two pressure reducers, in series, followed by a gas flow... | 09/20/1977 |
| 3991624 | Wind velocity servo system A servo system employs a dual element wind direction sensor mounted on a rotatable support that can be driven in opposite directions by a reversible motor. The sensor employs a pair of closely spaced, elongate, hot wire elements that extend side by side a... | 11/16/1976 |
