Bizarre Patents
Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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 |
| 7288755 | Portable handheld artificial light detector A portable, handheld artificial light detector distinguishes artificial light from sunlight and identifies low-frequency artificial light from high-frequency artificial light. Artificial light includes light from a lamp powered by an AC source. Low frequency light i... | 10/30/2007 |
| 6850159 | Self-powered long-life occupancy sensors and sensor circuits Occupancy sensors are provided that do not require an external power source in order to operate. The sensors operate with a low voltage non-rechargeable battery and are fully functional for at least about 15-20 years. The sensors include a relay output capable of sw... | 02/01/2005 |
| 6304180 | Highly versatile occupancy sensor An occupancy sensor is provided that can operate within an extended range of AC and DC input voltages, enabling the sensor to be used in different electrical environments. The sensor draws substantially only an amount of current required by the sensor at ... | 10/16/2001 |
| 6215398 | Occupancy sensors for long-range sensing within a narrow field of view Occupancy sensors are presented that include a flat lens for focusing detecting beams into narrower, longer range beams than those of conventional curved lenses. A sensing circuit generates a detecting beam that is substantially perpendicular to the flat ... | 04/10/2001 |
| 5864184 | Interface circuitry for facilitating installation of a control device Interface circuitry for facilitating the installation of a control device is presented. One embodiment includes an interface circuit with first and second terminals that can be coupled interchangeably to a load and the utility hot of an AC power source, t... | 01/26/1999 |
| 5701117 | Occupancy detector The present invention relates to an occupancy detector device that is capable of regulating the on/off status of electrical appliances, such as lights, depending on the presence of people in a given monitored area. The occupancy detector of the present in... | 12/23/1997 |
| 5473202 | Control unit for occupancy sensor switching of high efficiency lighting A control unit for switching AC powered high efficiency lighting in response to a signal from an occupancy sensor. The lighting is switched by a hybrid mechanical relay/semiconductor switch. The semiconductor switch is connected in parallel with the relay... | 12/05/1995 |
