Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
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| Number | Title | Issue Date |
| 7301132 | Heating apparatus using electromagnetic wave A heating apparatus using an electromagnetic wave is disclosed, by which cut-of performance of an electromagnetic wave is enhanced by increasing an electromagnetic wave absorption bandwidth having cut-off performance below −70 dB. The present invention includes a ... | 11/27/2007 |
| 7078661 | Apparatus for shielding electromagnetic wave of microwave oven door A microwave oven door, and more particularly, an apparatus for shielding electromagnetic wave that compensates for the length of slots formed in an end of an oven door in order to improve the shielding ability capable of preventing the leakage of electromagnetic wav... | 07/18/2006 |
| 6940057 | Microwave oven A microwave oven including a cabinet defining a cooking chamber therein, and a door coupled to the cabinet to open and close the cooking chamber. The door includes a door frame forming an appearance of the door, a shielding plate installed in the door frame to preve... | 09/06/2005 |
| 6812442 | Microwave oven door with choke structure A door of a microwave oven comprising: a door panel which is installed on a front surface of a casing having a cavity corresponding to a cooking space of food to be opened and closed; a door frame which is combined with the door panel to be located at a front of the... | 11/02/2004 |
| 5942144 | Door for microwave oven A door of a microwave oven includes an outer cover defining an exterior of the door, a door frame coupled to the outer cover and forming a choke recess for preventing microwave leakage, and a bracket including two parallel walls surrounding the choke rece... | 08/24/1999 |
| 5750969 | Microwave choke apparatus for microwave oven A microwave choke apparatus for a microwave oven includes an inner door panel having a plurality of multi-pronged and double-stepped portions extended outwardly therefrom, between which multi-pronged and double-stepped toothed portions there are alternate... | 05/12/1998 |
| 5705797 | Unitary microwave oven door A door for preventing leakage of electromagnetic wave of a microwave oven includes: a front panel forming a front surface of a door; a first contact surface expanded from the circumference of the front panel and recessed forward a cavity of the microwave ... | 01/06/1998 |
| 5418352 | Device for shielding leakage of high frequency waves in a microwave oven A device for shielding a leakage of high frequency waves in a microwave oven, capable of effectively shielding high frequency waves leaked without using any ferrite rubber and reducing the thickness of a door of the microwave oven to achieve a compactness... | 05/23/1995 |
| 4868359 | Radiation sealed door in a microwave heating apparatus A seal on a door for a microwave oven. The seal is a resonant cavity extending along the flange of the oven. The resonant cavity has an offset inlet facing the flange with a dimension less than 2/3 of the distance to the center of the cavity. The cavity i... | 09/19/1989 |
| 4814571 | Microwave oven adapted for under-the-counter use A microwave oven adapted for under-counter use that eliminates many of the disadvantages of prior microwave ovens. A bottom member and transparent canopy shaped top member or cover from a microwave conductive cavity viewable from three or more sides. The ... | 03/21/1989 |
| 4794218 | Door assembly for microwave heating apparatus A high frequency heating apparatus has an oven-defining structure having an access opening in communication with a heating chamber defined therein, and a hingedly supported metallic door for selectively opening and closing over the access opening. The doo... | 12/27/1988 |
| 4742201 | Door assembly for microwave heating apparatus A high frequency heating apparatus has an oven-defining structure having an access opening in communication with a heating chamber defined therein, and a hingedly supported metallic door for selectively opening and closing over the access opening. The doo... | 05/03/1988 |
| 4700035 | Microwave oven door A microwave oven door assembly that effectively saves assembly time and lowers cost by significantly reducing the number of the door component parts. By inserting a plurality of projections provided at the inner periphery of the choke cover into the inner... | 10/13/1987 |
| 4659891 | Microwave oven having an electromagnetic energy seal An electromagnetic energy seal for use in a microwave oven comprises a first sealing cavity formed along at least one of a peripheral edge portion of an entrance opening of a heating chamber and a portion of a door for opening and closing the entrance ope... | 04/21/1987 |
| 4609800 | Microwave oven door structure A unique structure of a door for a microwave oven having integrally assembled bent-members comprising: a choke cavity provided with a sectional slit along the external periphery of the door body for the prevention of microwaves from leakage to the outside... | 09/02/1986 |
| 4584447 | Electromagnetic wave energy seal arrangement In an apparatus which produces high frequency electromagnetic waves, a choke portion is provided in a leakage transmission path, which choke portion has a groove wall corresponding to a grounded conductor, a number of strip conductors arranged with a line... | 04/22/1986 |
| 4577079 | Door of microwave oven A door of a microwave oven comprises a frame-like door plate having a central window, upper and lower sashes secured to the door plate, a screen to cover the central window, outer and inner barriers for protecting the screen, and a contact plate to be bro... | 03/18/1986 |
| 4559428 | Oven door with integral choke mechanism and microwave absorber An oven door in a microwave oven contains a door frame having a choke mechanism formed therein. A choke cover for covering the choke mechanism is secured to the door frame. The choke cover is made of a wave absorbing material. A portion of the choke cover... | 12/17/1985 |
| 4525614 | Absorber device for microwave leakage A microwave absorber device for a microwave heater having a main body with an opening and a door for closing said opening with a leakage path between the door and the main body. The absorber device has a choke cavity along a leakage path of the microwave ... | 06/25/1985 |
| 4254318 | Door seal arrangement for high-frequency heating apparatus A door seal arrangement for application to a high-frequency heating apparatus comprising a heating chamber having an access opening and an oven door for openably closing the access opening, for preventing leakage of electromagnetic wave energy through the... | 03/03/1981 |
| 4010343 | Microwave ovens Microwave oven is provided with an improved door screen which allows an undisturbed clean observation of the heating chamber and at the same time assures safety and durability in use. The door screen comprises an electromagnetic wave shielding means made ... | 03/01/1977 |
| 4008383 | Microwave oven door assembly A microwave oven whose door screen is constructed by interposing an electromagnetic wave shielding body of a metallic plate having a plurality of through-holes formed therein or a wire screen, between a tempered glass plate and a transparent resin plate, ... | 02/15/1977 |
