Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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 |
| 7358740 | Thermal switch with self-test feature A normally open thermal switch (200) having a bimetallic disk (18) is configured for operational testing in its installed position when exposed to a changing temperature by a test box (400) having a power source (400a). The in-plac... | 04/15/2008 |
| 6681997 | Visual and reading enhancement apparatus for thermostats and associated methods A thermostat reading enhancer is provided which includes an enhancer body adapted to be positioned adjacent a thermostat. The enhancer body can have at least portions thereof abuttingly contacting a mounting surface and retained in a position between the ... | 01/27/2004 |
| 6628192 | Circuit breaker flower A push-pull circuit breaker is provided primarily for use in aircraft; wherein, the activation of the circuit breaker is made significantly more noticeable by the addition of a "flower" device. Specifically, as the center post of the circuit breaker deplo... | 09/30/2003 |
| 6480091 | Thermal switch with activation indicator A temperature sensitive indicator 24 in the form of a label or decal is affixed to the outside of a thermal switch 20. The temperature sensitive label provides a permanent record of the temperature limits exposed to the thermal switch. The temperature sen... | 11/12/2002 |
| 6114941 | Thermal switch with activation indicator A temperature sensitive indicator 24 in the form of a label or decal is affixed to the outside of a thermal switch 20. The temperature sensitive label provides a permanent record of the temperature limits exposed to the thermal switch. The temperature sen... | 09/05/2000 |
| 5936508 | Fuse state indicator A device for indicating the conducting state of a fuse includes a heat generating material for generating heat in response to an electrical input and adapted to be coupled electrically in parallel with a fuse, and a temperature responsive material thermal... | 08/10/1999 |
| 5650772 | Device for indicating a faulty condition of an electrical apparatus, in particular of a surge arrester The indicating device (3) is used for signalling a faulty condition of an electrical apparatus, in particular of a surge arrester (1). It contains a sensor (resistor 10) which is located in an insulating material housing (6) and is intended for detecting ... | 07/22/1997 |
| 5276433 | Methods and apparatus for temperature sensing A temperature sensor has a flexible nylon tube connected by a fluid-tight coupling to a metal bellows within a metal housing. The interior of the tube and bellows is filled with a pressurized liquid whose critical temperature corresponds to a threshold te... | 01/04/1994 |
| 5041816 | Freezer alarm system with two sensor models A freezer alarm system is energized by a battery (2) or an AC power adapter (3) to drive a piezo alert pulsing buzzer (4) when activated by one of two sensor modules. An electrolyte freezer alarm sensor (13) has a non-conducting wall (9) and two conductin... | 08/20/1991 |
| 4575706 | Combined magnetic and thermal relay and circuits for timed alarms and lamps of vehicles A combined magnetic and thermal activated relay for use in alarm systems. The relay includes a thermal activated bimetal switch in series with the current through the magnetic coil which activates a magnetic switch. The thermal switch is in a normally clo... | 03/11/1986 |
| 4190764 | Control system and method and control device therefor A control system having a control unit provided with a single thermostatically operated control device for operatively interconnecting a heater to a source of energy when the output temperature effect of the heater is below a predetermined setting of a se... | 02/26/1980 |
| 4072933 | Fire heat detector and/or burglar alarm A detecting device for detecting heat due to the presence of fire for example. The detecting device includes an open-ended chamber closed by a resilient diaphragm. The diaphragm engages the open end to permit respectively the passage of air via an annular... | 02/07/1978 |
