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."
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| Number | Title | Issue Date |
| 7377962 | Electric discharge device and air purifying device A discharge device for generating a streamer discharge includes a discharge electrode and a counter electrode. The discharge electrode is in a shape of a wire or rod and is disposed substantially parallel to the counter electrode. Thus, even when a tip of the discha... | 05/27/2008 |
| 7250712 | Polymer sustained microelectrodes In one aspect, a microelectrode comprising an upper surface, two walls, and a polymer core is described, wherein each of the two walls forms an angle with a lower surface, and the upper surface and each of the two walls comprises a metal thin film in contact with th... | 07/31/2007 |
| 7098596 | Mercury-free arc tube for discharge lamp unit An arc tube for a discharge bulb is provided for use in a vehicular lighting system. The arc tube includes a closed glass bulb that is pinch-sealed at opposite ends. Inner ends of a first electrode and a second electrode extend into the closed glass bulbs from the e... | 08/29/2006 |
| 7026750 | Electron emission element An electron emission element of the present invention comprises a substrate, and a protrusion protruding from the substrate and including boron-doped diamond. The protrusion comprises a columnar body. And a tip portion of the protrusion comprises an acicular body st... | 04/11/2006 |
| 5869921 | Spark plug for internal combustion engine having platinum and iridium alloyed emissive tips In a spark plug for an internal combustion engine, a spark gap is defined between an insulated sparking portion and a grounded sparking portion. At least one of the insulated sparking portion and the grounded sparking portion is made of a molten alloy com... | 02/09/1999 |
| 5600200 | Wire-mesh cathode A field emission cathode for use in flat panel displays comprises a layer of conductive material and a layer of amorphic diamond film, functioning as a low effective work-function material, deposited over the conductive material to form emission sites. Th... | 02/04/1997 |
| 5483117 | Device for non-thermal excitation and ionization of vapors and gases The excitation device comprises a plurality of rod-like electrode elements. Each electrode element is enclosed by a chemically and thermally stable protective casing, which can be exposed to high electric fields. The electrode elements are held in vertica... | 01/09/1996 |
| 5422539 | High-pressure, thermally highly loaded discharge lamp, and method to make electrodes therefor To improve the operation of high-pressure discharge lamps by preventing pature deformation of the end face of an anode due to extremely high temperature, with subsequent vaporization of tungsten material from the electrode and deposition on the bulb or v... | 06/06/1995 |
| 4924135 | Electrode for vapor deposition and vapor-deposition method using same Thermal breakage of crystalline electrodes used in arc-vapor deposition is prevented by originally fabricating the electrodes from broken pieces of the crystalline material which are slightly sintered together and form an electrode body in which a carbon ... | 05/08/1990 |
| 4774437 | Inverted re-entrant magnetron ion source An ion source for an intense ion beam from a solid source is formed with a cathode around a central anode. A source of magnetic field with closely spaced poles is formed around a central region of the cathode so that the most intense region of the magneti... | 09/27/1988 |
| 4698543 | Electrode for electrical discharge machining An electrical discharge machining electrode for small hole machining. The electrode is of a rod shape and includes a spiral shaped groove extending along the electrode body with a length greater than the thickness of the workpiece. The groove terminates p... | 10/06/1987 |
| 4395617 | Successively joinable carbon electrode for gouging metals A successively joinable carbon electrode for use in gouging or blasting metallic articles comprises a copper coated electrode body having one end formed into a coaxial connecting projection and the other end formed with a coaxial tapered socket for receiv... | 07/26/1983 |
| 4191486 | Threaded connections In a threaded connection to be loaded in an axial direction, said connection comprising two pieces (i) having coincidental axes and (ii) having different coefficients of thermal linear expansion wherein one piece is a threaded male piece and the other pie... | 03/04/1980 |
| 4100449 | Uniform filament and method of making the same A line electron filament is provided which is cylindrically shaped and substantially uniform in cross section about its longitudinal axis. The filament can be of the type known as directly heated or of the type known as indirectly heated. The uniformity o... | 07/11/1978 |
| 4006380 | Mounting of carbon electrodes on a holder of an arc lamp The present invention relates to a mounting of carbon electrodes on a holder of an arc lamp used as a light source for a weatherometer or a lightfastness tester. In the holder, one end of the carbon electrodes and the holder are threadedly connected with ... | 02/01/1977 |
| 4005326 | Electrode mounting in an arc lamp for use in light fastness testers A carbon arc lamp for use in a light fastness tester and other similar testers, and having a metal rod extending from a carbon electrode mounting part in the upper part of the lamp down to a point just below an upper metal plate. A portion of the rod is e... | 01/25/1977 |
| 4000026 | Method and cement for bonding carbon articles A high temperature cement for carbon articles comprising aluminum, and tantalum or silicon, in a specific weight percent ratio such that when heated in an inert atmosphere, the tantalum or silicon will react with the carbon in the articles to be joined to... | 12/28/1976 |
| 3944778 | Electrode assembly of plasmatron An electrode assembly for a plasmatron, comprising a holder being cooled having a high-heat insert mounted therein in contact with a near-the-electrode zone of an arc at one side thereof and in thermal and electrical contact with the cooled holder at the ... | 03/16/1976 |
