Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 7848383 | Cold crucible induction furnace with eddy current damping Apparatus and method are provided for damping the induced fluid flow, particularly in the region of the base plate, in an electrically conductive material that is heated and melted in a cold crucible induction furnace. Damping is accomplished by establishing a dc ma... | 12/07/2010 |
| 7167501 | Cold crucible induction furnace with eddy current damping Apparatus and method are provided for damping the induced fluid flow, particularly in the region of the base plate, in an electrically conductive material that is heated and melted in a cold crucible induction furnace. Damping is accomplished by establishing a dc ma... | 01/23/2007 |
| 6993061 | Operating an induction melter apparatus Apparatus and methods of operation are provided for a cold-crucible-induction melter for vitrifying waste wherein a single induction power supply may be used to effect a selected thermal distribution by independently energizing at least two inductors. Also, a bottom... | 01/31/2006 |
| 6696770 | Induction heating or melting power supply utilizing a tuning capacitor A rectifier/inverter power supply for use with induction heating or melting apparatus includes a tuning capacitor connected across the output of the rectifier and input of the inverter. The tuning capacitor forms a resonant circuit with an inductive load ... | 02/24/2004 |
| 6542535 | Induction furnace with improved efficiency coil system An induction furnace system has an active induction coil surrounding a crucible. A passive induction coil also surrounds the crucible. The passive induction coil is connected in parallel with a capacitor to form an L-C tank circuit. A source of ac current... | 04/01/2003 |
| 6414982 | Device for melting and/or refining inorganic compounds A high-frequency device for melting and refining inorganic compounds having a high-frequency oscillation system and a crucible. The high-frequency system includes an induction coil looping around the crucible and at least two oscillator circuits connectab... | 07/02/2002 |
| 6163019 | Resonant frequency induction furnace system using capacitive voltage division An induction furnace having a voltage source series inverter, a load circuit having a combination of an induction coil and a resonating capacitor bank, and control circuitry to phase lock the inverter frequency to the natural resonant frequency of the loa... | 12/19/2000 |
| 6148019 | Modular high power induction heating and melting system A system for melting metal and holding molten metal, comprises a rectifier unit receiving AC electric power and outputting DC electric power, a plurality of inverter units, each receiving the DC electric power output by the rectifier unit and outputting A... | 11/14/2000 |
| 6144690 | Melting method using cold crucible induction melting apparatus The present invention relates to a melting method by which the melting raw materials having a variety of configurations are collectively melted to enable the composition to be adjusted in the melt, and a melting apparatus and tapping method by which tappi... | 11/07/2000 |
| 5666377 | Multiple furnace controller A multi-furnace control system selectively delivers preselected percentages of available power to furnaces of the system, preferably designated as either a melt furnace or a hold furnace. The power supply delivers power to both furnaces. A capacitor stati... | 09/09/1997 |
| 5272719 | Plural output power supply for induction holding and melting furnaces A system for simultaneously melting metal and holding molten metal for treatment and the like comprises a plurality of separate induction furnaces, each having an induction coil. The induction coil of each furnace is arranged to inductively heat metal in ... | 12/21/1993 |
| 5012487 | Induction melting An induction melting apparatus including a vessel for holding a melt of molten metal, an induction coil operatively associated with the vessel, and a power supply for providing power input to the induction coil. The power input has a melting component at ... | 04/30/1991 |
| 4993043 | Device for positioning and melting electrically conductive materials without a receptacle Two coils between which a sample is contactlessly held in a suspended state, form a common part of two different oscillating circuits. A heating oscillating-circuit consists of the two coils and two first capacitors. A positioning oscillating-circuit cons... | 02/12/1991 |
| 4704252 | Isostatic hot forming of powder metal material A crushed powder metal workpiece preform is enclosed in a shell or envelope of a ceramic liquid die material and is inductively heated through the ceramic material and then transferred to a pressure vessel wherein the liquid die material is pressurized to... | 11/03/1987 |
| 4361716 | Current lead-in of the coaxial type for sealing to a container wall Current lead-in of the coaxial type, including at least two conducting tubes passing through a container wall, a gas-tight seal disposed between the tubes and the walls, an induction heating coil supplied with high frequency current from the tubes for pro... | 11/30/1982 |
