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.
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 |
| 5205220 | Railway truck An improvement in railway trucks having a flexible frame and independent drive mechanism particularly adapted to accommodate the flexing frame. The frame includes parallel first and second frame members, a first cross-member rigidly attached to the first ... | 04/27/1993 |
| 5203647 | Roof bolt anchor An anchor for securing a mine roof bolt within a hole preformed within a rock strata. The anchor comprises a plurality of transversely bent plastic leaves, each having an aperture through which the roof bolt is received, a support nut threadably connected... | 04/20/1993 |
| 5204007 | Method of clarification of waste water for production of animal feeds Method for removing suspended solids from a stream of waste water for subsequent use as an animal feed, wherein bentonite and an anionic polymer are added to the waste water which is maintained within a predetermined pH range. No metallic salts or other m... | 04/20/1993 |
| 5201719 | Disposable hypodermic needle and medication catridge A reusable hypodermic syringe assembly (200) comprising a syringe (218) having a barrel shaped portion (214) with an opening (280) therein, a cartridge (202) insertable into and removable from the barrel shaped portion (214) of the syringe and containing ... | 04/13/1993 |
| 5193483 | Secondary sensing system for contactor control system In an animal confinement structure having a contactor control device which controls a temperature control apparatus utilized for applying heating or cooling to the structure responsive to the ambient temperature sensed, a secondary system employed for con... | 03/16/1993 |
| 5191766 | Hybrid internal combustion/steam engine A hybrid engine is disclosed which utilizes the heat from the exhausted combustion gases of an internal combustion engine to generate steam externally of the cylinders of the engine. The steam is used to power turbines which may be effectively connected t... | 03/09/1993 |
| 5184922 | Roof bolt anchor An anchor for securing a mine roof bolt within a hole preformed within a rock strata. The anchor comprises a plurality of transversely bent plastic leaves, each having an aperture through which the roof bolt is received, a support nut threadably connected... | 02/09/1993 |
| 5181434 | Apparatus and method for refurbishing a drive tumbler An improved tumbler for use in pad driven machinery or the like utilizes a plurality of replaceable wear members mounted to a reel assembly on the conventional tumbler hub. The wear members engage the cleats of the pads to impart relative motion and bear ... | 01/26/1993 |
| 5179746 | Stretcher A stretcher operated by one or more persons for transporting an injured patient and including a body board for supporting a patient's upper legs and body, a slide member received within the body board and extendible selected distances therefrom, and a bas... | 01/19/1993 |
| 5178215 | Rotary blowout preventer adaptable for use with both kelly and overhead drive mechanisms An improved rotary blowout preventer having a rotary housing rotably mounted within an outer housing and carrying an annular packer assembly hydraulically actuated by fluid circulated through the outer housing by hydraulic pumps. An annular adapter is det... | 01/12/1993 |
| 5161916 | Self-seating expansion anchor An expansion anchor received within a predrilled bore for mounting a platelike panel to a portion of stratum in which the bore is drilled and including a bolt having a head on a lower end thereof, an upper portion, distal the head, defining a set of right... | 11/10/1992 |
| 5152250 | Agglomerating biodegradable animal litter and method of manufacture A clumping biodegradable animal litter and method for manufacturing such litter. The animal litter includes a biodegradable carrier such as granulated peanut shells having a grain flour intermixed therewith and attached thereto with oil. The carrier will ... | 10/06/1992 |
| 5151159 | Method and apparatus for converting coal into liquid fuel and metallurgical coke Apparatus and method for converting coal into useful motor fuels and metallurgical coke using a self-cleaning coal pyrolyzer wherein coal is heated in the absence of air at temperatures greater than 800° F. to remove volatile hydrocarbon gases therefrom.... | 09/29/1992 |
| 5151009 | Materials stacking equipment A material handling system employs a sheet separator capable of handling sheets of varied thickness and flexibility and a positioner which repetitively positions sheets relative to a pressing unit in a fixed location. A sheet stacker receives and stacks t... | 09/29/1992 |
| 5148729 | Biological tissue slicer A biological tissue slicer having improvements therein which enable an inexperienced operator to rapidly prepare minimally traumatized tissue slices of excellent viability and of very uniform shape and dimension. The improvements limit contact of the cutt... | 09/22/1992 |
| 5143354 | Animal retentive fence attachment An attachment to a fence, such as a chain link fence, used to confine a dog, prevents the dog from climbing the fence or using the top of the fence to assist himself in escaping over the fence. The attachment creates a region of instability, superjacent t... | 09/01/1992 |
| 5131637 | Work holder for honeycomb structure A work holder for honeycomb structures utilizing a set of expandable fingers mounted on an engagement plate for insertion into the cells of a honeycomb structure such that a stripper plate carrying a plurality of pins aligned with said fingers may be brou... | 07/21/1992 |
| 5129308 | Combat vehicle with extendible combat platform A combat vehicle utilization system including a plurality of extensible elevating members each adapted for mounting to a combat vehicle at a first end and carrying a combat platform at a second end is utilized to increase armament and effectiveness of a c... | 07/14/1992 |
| 5127335 | Points and crossing changer A points and crossing changer including an elongated frame having a plurality of extendible support members pivotally mounted thereon for horizontal movement about a vertical axis. Each support member includes a downwardly extendible telescoping shaft sup... | 07/07/1992 |
| 5120544 | Crosslinked hydrogel and method for making same A chemically crosslinked hydrogel includes an active ingredient for transdermal transport selected from the group of lidocainehydrochloride, hydrocortisone, menthol, and methyl salicylate and utilizes as a crosslinking agent an aluminum acetate, which is ... | 06/09/1992 |
| 5106580 | Probe insertion and retraction tool A probe retraction tool including a threaded split shaft connected to a packing gland in coaxial relation to a probe inserted therein. The shaft has a longitudinally coextensive slot and axial bore within which the longitudinal axis of the shaft extends i... | 04/21/1992 |
| 5099766 | Ballast wagon for reviewing railway ballast with rotary storage drums A rotary dump wagon for handling ballast having a carriage with a first conveyor mounted thereon for conveying ballast the length of the carriage and a plurality of hollow drums supported by the carriage and engaging the first conveyor for rotational move... | 03/31/1992 |
| 5081815 | Mechanized shingle applying apparatus Apparatus for applying shingles to a roof having a guidetrack connected to the roof, a pair of guiderods slidably connected to the guidetrack in perpendicular extension therefrom, a primary carriage mounted to the guiderods for movement parallel the guide... | 01/21/1992 |
| 5081814 | Lath panel and method of manufacture A reinforced lath panel typically mounted to a vertical frame on which plaster or other plastics can be supported in a structural unit and includes at least one marginal rib having a plurality of interconnected layers and a rounded outer edge with a mesh ... | 01/21/1992 |
| 5075905 | Drain trap assembly An improved drain trap assembly which is designed to allow for disposal of sediment with reduced mess and uncleanliness. The improvement comprises a valve which is attached to a drain trap and a compressible container attached subjacent to the valve which... | 12/31/1991 |
| 5073115 | Teaching - photographic tank An apparatus to be used in field studies of varying fish populations allowing visual display and photographing of live specimens without the excessive handling or undue stress normally accompanying such examination. The apparatus is made of a substantiall... | 12/17/1991 |
| 5069908 | Crosslinked hydrogel and method for making same A chemically crosslinked hydrogel includes an active ingredient for transdermal transport selected from the group of lidocainehydrochloride, hydrocortisone, menthol, and methyl salicylate and utilizes as a crosslinking agent an aluminum acetate, which is ... | 12/03/1991 |
| 5067667 | Aircraft optimization indicia and the use thereof An aircraft flight dynamics indicator utilize an artificial horizon and a plurality of indicators to establish climb and descent indexes wherein safe flight may be maintained during ascent and descent by cuing aircraft attitude to a visibly perceptive cha... | 11/26/1991 |
| 5067174 | Protective headgear A headdress for wear by a health care professional or other person who is likely to come in contact with contaminants provides easily placeable and removable covering for the entire head area through the use of a unitized structure incorporating a headgea... | 11/26/1991 |
| 5068085 | Instrument sterilizer A sterilizer for medical or dental instruments utilizes a reservoir of reusable heat transfer beads, a preselected quantity of which are released into an instrument tray containing instruments to be sterilized. The tray and beads are positioned within a h... | 11/26/1991 |
| 5066220 | Cigarette lighter A safety mechanism, for a lighter having a striker and a flint for creating sparks and/or a lever for releasing compressed flammable gas adjacent the striker and flint, including a spring for biasing the striker and flint apart when the lighter is not in ... | 11/19/1991 |
| 5065838 | Movable support for window washers and the like A movable support structure from which a window washer is suspended that utilizes the parapet wall of a building as a support or runway by directing the force applied by the weight of the washer downwardly into the parapet wall. An upright frame above the... | 11/19/1991 |
| 5066177 | Attachment to a portable power planar An attachment for use with a portable power planer for consistently producing a scarf cut of a particular angle in sections of plywood or like material which are to be joined to form a continuous piece of material. The attachment produces the scarf cut by... | 11/19/1991 |
| 5065371 | Depth finder having variable measurement capabilities A depth finder utilizing a CPU to control the function of various components including a transducer, receiver, and a liquid crystal display, allowing a user to select between fresh and salt water operational modes as well as between English and metric dis... | 11/12/1991 |
| 5060964 | Fifth wheel An improved fifth wheel incorporates a junction fitting for pneumatic, hydraulic and electrical control lines which mates the truck to the tractor simultaneously with the connection performed by the fifth wheel. The deck plate is pivoted about a vertical ... | 10/29/1991 |
| 5055336 | Wear members for the inside of a chute A wear member for use in quarry chutes and the like utilizes a plurality of wear strips with a layer of resilient material therebetween. The resilient material may be a natural rubber or synthetic material as urethane. A bottom mounting plate engages a T-... | 10/08/1991 |
| 5052805 | Ventilation unit for a flame photometric detection device A ventilation unit for a flame photometric detector that utilizes a vent tube, which communicate with the combustion chamber of the detection device and a cap which fits onto the tube to form a tortuous light path, such that the escape of combustion produ... | 10/01/1991 |
| 5051671 | Proximity sensor and control Sensor circuitry which detects the presence or absence of material and activates a motor responsive thereto, having a capacitor which emits electric signal responsive to the presence of the material, a signal processing unit receives the capacitor's signa... | 09/24/1991 |
| 5050092 | Fan efficiency measuring apparatus A fan efficiency monitoring system and method utilizes the measured temperature and pressure differential a fan to calculate and display fan efficiency relative to the temperature differential in an isentropic process at the same inlet temperature and pre... | 09/17/1991 |
| 5049030 | Materials handling equipment A material handling system employs a sheet separator capable of handling sheets of varied thickness and flexibility and a positioner which repetitively positions sheets relative to a pressing unit in a fixed location. A sheet stacker receives and stacks t... | 09/17/1991 |
