Bizarre Patents
A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 4517902 | Control circuit for a solid fuel furnace A control circuit for a solid fuel furnace which includes a combustion chamber, means for delivering solid fuel to the combustion chamber, and means for delivering combustion air to the combustion chamber, wherein the control circuit includes thermo-sensi... | 05/21/1985 |
| 4466358 | Solid fuel warm air furnace A solid fuel furnace which includes a housing enclosing a firebox and a heat exchanger chamber. An open grate in the firebox supports solid fuel thereon. Combustion air is admitted to the area below the grate and is preheated and passes upwardly through t... | 08/21/1984 |
| 4447235 | Thoracentesis device A thoracentesis device which includes an elongated flexible catheter fixed at its proximate end to an elongated conduit which is aligned therewith. The conduit is provided with a seal which seals around a hollow needle which penetrates the seal means and ... | 05/08/1984 |
| 4443157 | Control circuit for a liquid fuel combustion apparatus A control circuit for a liquid fuel combustion apparatus which employs a differential amplifier and square-wave generator to maintain a strong constant combustion in the burner until the differential amplifier senses that room temperature has approached a... | 04/17/1984 |
| 4409955 | Solid fuel warm air furnace A solid fuel furnace which includes a housing enclosing a firebox and a heat exchanger chamber. An open grate in the firebox supports solid fuel thereon. Combustion air is admitted to the area below the grate and is preheated and passes upwardly through t... | 10/18/1983 |
| 4392812 | Control circuit for gasified liquid fuel combustion apparatus A gasified liquid fuel combustion apparatus which includes a gasifier in which liquid fuel is heated and gasified and delivered to a burner for combustion. A nozzle provided at the outlet of the gasifier is opened and closed by a valve needle operated by ... | 07/12/1983 |
| 4392811 | Gasifying device for liquid fuel burner A gasified liquid fuel combustion apparatus for supplying a gaseous mixture of air and a gasified liquid fuel to a burner for combustion. The apparatus includes a gasifying device which comprises two spaced concentric tubes having a concentric inner tube ... | 07/12/1983 |
| 4116737 | Method of creating an embossing effect A method for creating an embossed effect in a desired pattern on a film by printing an agent on said film in said desired pattern to lower the stability of said film in the print areas against heat distortion and laminating said film to a substrate by fus... | 09/26/1978 |
| 4097715 | Laser jet bell kiln A furnace for firing refractory ware including a vertically movable bell adapted to enclose a car of refractory ware. Means is provided to seal the enclosure defined by the bell, to evacuate air from the sealed bell enclosure, and to deliver a fluidized, ... | 06/27/1978 |
| 4032160 | Chuck key holder An improved chuck key and spring pocket for holding the key. The key comprises a sliding cross bar having paddle ends, and the spring pocket cooperates with this cross bar. The pocket opening accepts the key in one orientation only, and then the paddles a... | 06/28/1977 |
| 3987939 | Caulking gun cartridge latch A front loading caulking gun comprising a tube which is open for 90° of its periphery having a latch pivoted at its front end which swings completely out of the way to allow cartridge insertion and removal. It is latched into holes in the sides of the tu... | 10/26/1976 |
| 3959677 | Electric motor device and heat sink and method of assembling An electric motor housing and heat sink, and the method of assembling the same, in which a housing, constructed of electrically insulating material subject to thermal distortion, includes integral means for orienting and securing a metal heat sink therein... | 05/25/1976 |
| 3937036 | Rotary driving tool having a torque responsive clutch A rotary power driven portable hand tool having a simplified torque responsive clutch assembly. The clutch includes a spindle having a radially outwardly extending flange, a clutch carrier rotatable about the flange, the clutch carrier carrying a pluralit... | 02/10/1976 |
| 3936100 | Bearing mounting system A system for mounting two bearings on a single shaft to achieve self-alignment without spherical bearings. The invention system comprises a cast-in convex curved seat which cooperates with resilient hold down means, whereby the bearings are protected from... | 02/03/1976 |
| 3935789 | Reversing valve An improved air reversing valve, as for use with a pneumatic scaler, chisel or the like, comprising throttling means between the two sides of the valve disc whereby the tool's performance characteristics are generally improved. Additionally, the valve is ... | 02/03/1976 |
| 3935525 | Battery charging circuit with thermostat control The embodiment of the battery charging circuit disclosed herein employs a relay which can be operated both mechanically and electrically. Mechanical operation is achieved by a manually operable push button which when depressed closes a relay contact in se... | 01/27/1976 |
| 3934688 | Shifter mechanism An improved shifter mechanism for the transmission of a power tool in which the operating lever can be located to either side of the transmission housing. The operating rod has a flat which operates one end of a pivoted shift member, the other end of whic... | 01/27/1976 |
| 3934661 | Dust cup A dust cap particularly for use with an overhead rotary hammer. The dust collector is a cup-like member with a bellows side wall, integrally formed in one piece. It has a thickened neck to fit on the tool shank below the chuck, thereby encompassing the ch... | 01/27/1976 |
| 3930342 | Sharpener for twist drills A sharpener having a clam-shell housing in which a motor is mounted for driving a grinding wheel disposed adjacent one end of the housing, a chuck which holds either twist drills or a diamond dresser, the chuck being indexable 180.degree. about its axis, ... | 01/06/1976 |
