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 |
| 6865942 | Device for estimation of brine density The present invention relates to a novel device that enables a person to gauge the brine density in solar salt works from afar without recourse to sampling of the brine. The device—which can be considered as an improvisation over the conventional laboratory type B... | 03/15/2005 |
| 6776039 | Alcohol content measuring instrument Disclosed herein is an alcohol content and temperature measuring instrument which is simply composed of a mug, an embolism an observation window, and a thermograph and a measuring tub. The measurement of alcohol concentration in a particular liquid can be measured a... | 08/17/2004 |
| 6662653 | Sensor assemblies and methods of securing elongated members within such assemblies An assembly and a method of securing elongated members within the assembly are provided. In particular, one or more particular elongated members which are adapted to contain a particular fluid may be affixed to a temperature-conducting (e.g., metallic) ar... | 12/16/2003 |
| 6422746 | Method and device for a self orienting floating apparatus The present invention relates to a method and device for a self orienting floating apparatus which utilizes an external magnetic field to maintain a constant orientation, and specifically relates to a plain form hydrometer, a floating thermometer, and a t... | 07/23/2002 |
| 6336467 | Float and valve assembly for accumulator An improved float and valve assembly for a liquid-gas accumulator including a buoyant float having a density selected in accordance with the working pressure, a float which can be lengthened or shortened, and friction and drag is reduced by optimizing the... | 01/08/2002 |
| 5824885 | Method intended for use in anaesthetic systems for identifying anaesthetics In order to keep a patient from being administered an incorrect anaesthetic, an erroneous concentration of an anaesthetic or a mixture of anaesthetics, an anaesthetic system can be equipped with a device for identifying anaesthetics in anaesthetic system.... | 10/20/1998 |
| 4993263 | Plastic hydrometer A plastic hydrometer of the constant mass variable displacement type. The hydrometer includes a separate bulbous section, stem and cap. The bulbous section is a single piece molded part having an upper end which mates with the lower end of the extruded tu... | 02/19/1991 |
| 4972710 | Liquid level multiplier and leak detection system for storage tanks A tank leak detection system in which a liquid level multiplier is connected to a differential pressure transmitter one side of which may be piped back into the tank to compensate for internal changes in tank pressure. A capillary having a small bore conn... | 11/27/1990 |
| 4779462 | Apparatus for the automatic measurement of the apparent density of the mud in a liquid, system for the automatic measurement of the ponsar index of such a mud using the apparatus and process for measuring said index Apparatus for the automotive measurement of the apparent density of mud or sludge contained in a liquid, and a system for the automatic measurement of the PONSAR index and a process for measuring said index. The apparent density of one liter of clarified ... | 10/25/1988 |
| 4644328 | Buoyant alarm device An improved buoyant alarm device which provides an indication of a disturbance to a quiescent level of a body of water. The device includes a cover assembly and a buoyant body. The cover assembly includes a cover member and a support member. The support m... | 02/17/1987 |
| 4635480 | Density compensating float A density compensating float is used in conjunction with a stop-fill valve for limiting the filling of a tank. The primary application of the density compensating float is for use in LPG tanks. The compensating float includes a portion thereof having grad... | 01/13/1987 |
| 4338817 | Hydrometer with improved temperature compensation For measuring the density of fluids whose densities lie within a predetermined range and whose coefficients of thermal expansion vary within this range, a stem hydrometer has a lower body volume which extends up to the lowest marking on the density scale ... | 07/13/1982 |
| 4075770 | Metric system teaching and measuring device A metric system teaching and measuring device. The device is in the form of a tubular meter stick having an internal cross sectional area of ten square centimeters producing the volume of one liter for one meter length of the stick. An attachable base pro... | 02/28/1978 |
| 4000657 | Apparatus for measuring the apparent weight of a sludge charging a liquid Apparatus for measuring and monitoring the state of activated sludge in the continuous treatment of waste waters or sewage. A suspensoid is produced by clarifying a quantity of the sludge-charged liquid, and the apparent weight of the sludge relative to t... | 01/04/1977 |
