Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 5707007 | Hydronic heating with continuous circulation supplying multi-temperature heating loops A hydronic heating system having a source of hot supply water and a reservoir of cooler return water, a main hot supply water circulation path (loop) from the supply water line to the return water line including a pump maintaining continuous flow of hot s... | 01/13/1998 |
| 5556027 | Hydronic heating outdoor temperature reset supply water temperature control system A hydronic heating system having a source of hot supply water and a reservoir of cooler return water, a supply water line from the source, a return water line to the reservoir and at least one heating loop through which water flows from the supply line to... | 09/17/1996 |
| 5385299 | Fresh air intake system for a dwelling having central forced warm air heating In a dwelling having a forced warm air type central heating system in which the source of heat is the hot gas products of combustion in a furnace, ambient fresh air is introduced into the dwelling to improve the quality of air in the dwelling by a fresh a... | 01/31/1995 |
| 5373644 | Reflex luminous dot sighting instrument with undesired dot light blocking In a reflex luminous dot firearm sighting instrument that includes a housing having an objective end and an ocular end defining an optical axis, an LED and a battery and control circuit for the LED and a tilted reflecting window or lens in the housing hav... | 12/20/1994 |
| 5291290 | High power broadcast transmission system with ferrite circulator According to an embodiment of the present invention, a high power RF electric signal transmission system such as a TV broadcast system operating in the range of 100 kW at a UHF band includes one or more high power klystrons whose outputs are combined and ... | 03/01/1994 |
| 5225828 | Infrared identification beacon A beacon device for alerting friendly personnel on land, sea or air, from close proximity up to several miles, that the beacon location is also friendly, is contained in an upright case that has an least one infra-red (IR) light emitting diode and a visib... | 07/06/1993 |
| 5209401 | Hydronic heating water temperature control valve In a three-way, variable position, automatically controlled diverting valve that is provided in the return line to the boiler of a hydronic heating system between the heating loop return and the boiler return, the valve having its input from the heating l... | 05/11/1993 |
| 5205044 | Luminous dot sighting instrument In a luminous dot sighting instrument: dots of different color are produced using different mirror coatings that differentially reflect different wavelengths of light from a single diode or several diodes of the same color, or from different color diodes;... | 04/27/1993 |
| 5203097 | Athletic shoe outer sole for improved traction An athletic shoe for use on a relatively hard playing surface has an outer ground sole with grooves therein that define ribs between adjacent grooves, particularly in the toe and ball areas of the sole, is characterized in that the grooves are generally a... | 04/20/1993 |
| 5174122 | Method and means of low temperature treatment of items and materials with cryogenic liquid A payload loaded into a chamber is cycled to a low temperature of about -320° F. using liquid nitrogen fed to a heat exchanger evaporator that is located at the top of the chamber so that gaseous nitrogen vapor from the evaporator, at substantially the s... | 12/29/1992 |
| 5168170 | Subscriber electric power load control system Electric power uses or loads in a premises are controlled or managed depending upon whether the use is for heating, hot water, heat pump, air conditioning, lights, appliances, pumps, etc., according to programs that are controlled by the electric Power Co... | 12/01/1992 |
| 5128635 | High power ferrite circulator having heating and cooling means A high power, high frequency, Y-junction three port circulator containing at least one metal plate in the Y-junction covered with ferromagnetic material and an external magnet producing a magnetic field through the ferromagnetic material so that it is mag... | 07/07/1992 |
| 5119988 | Hydronic heating water temperature control system A three-way modulated diverting valve is provided in the return line to the boiler of a hydronic heating system between the heating loop return and the boiler return, the valve having its input from the heating loop return, one output to the boiler return... | 06/09/1992 |
| 5066939 | Method and means of operating a power line carrier communication system A power line carrier (PLC) communication system operating on a conventional three wire (Hot (H), Neutral (N) and Ground (G) wires) power line uses more than one of the several RF transmission lines that are defined by the three wire power line to improve ... | 11/19/1991 |
| 5000469 | Bicycle handlebar arm rests A bicycle handlebar that connects to a steering post foreward of the bicycle seat has an adjustable support pad assembly for the rider on which to support his body at his forearms or elbows including a support member having a top side and a bottom side, o... | 03/19/1991 |
| 4967934 | Pack of high pressure gas containers Several high pressure gas cylinders are attached together in a pack, each container having a valve at one end that controls flow of gas from the cylinder and each valve having a removable valve control handle, the cylinders being arranged coextensive and ... | 11/06/1990 |
| 4946441 | Limited use hypodermic syringe A hypodermic syringe which can be filled with liquid medication for injection into a subject only from a container of the liquid under pressure greater than the ambient pressure around the syringe includes a moveable piston in a cylinder and an injection ... | 08/07/1990 |
| 4933682 | Point to point microwave communication service antenna pattern with anull in an interering direction In a point to point microwave communication service including a microwave antenna system at each point directed at the other point, the radiation pattern of the antenna system at at least one point has a substantial null in the direction of an antenna of ... | 06/12/1990 |
| 4927337 | Magnetically driven pump A magnetically driven centrifugal pump includes a sealed housing enclosing a magnetically driven rotor on an axle of rotation contained within the housing, the axle being attached to the back inside wall of the housing and extending therefrom into the rot... | 05/22/1990 |
| 4874938 | Automatic motor vehicle visor system An automatic electrically operated visor or sun blocker system for a vehicle includes a sun blocker, such as a visor (81), that is automatically positioned laterally across the vehicle windshield (1) to selected azimuth (.psi.) directions, depending upon ... | 10/17/1989 |
| 4841639 | Hand operated portable band saw for cutting boards from a log A portable band saw for cutting boards of variable thickness from a log has a frame that carries the band saws wheels and a space between the cutting length of the band and the frame that is large enough for the board that is cut from the log to fit throu... | 06/27/1989 |
| 4821118 | Video image system for personal identification A video image system for rapidly (in a few seconds) recording a person and his identification (ID) card makes video images of the person's hand palm and face along with the ID card presented by the person that may be a badge, card, drivers license, passpo... | 04/11/1989 |
| 4812851 | Radio receiver with automatic interference cancellation Undesired, intefering narrow band received signals in a radio receiver are automatically cancelled by a cancellation system including a variable narrow band pass filter that separates a sample of the undersired signals from the total received signal, reve... | 03/14/1989 |
| 4809357 | Transition between rectangular and relatively large circular waveguide for a UHF broadcast antenna A high power TV antenna for operation at the ultra high frequency (UHF) frequency F includes a radiating antenna located at the top of a tower structure (often hundreds of feet high), a transmitter at the bottom of the tower and a main circular waveguide ... | 02/28/1989 |
| 4801352 | Flowing gas seal enclosure for processing workpiece surface with controlled gas environment and intense laser irradiation A controlled gas environment is provided against a surface area of a semiconductor wafer for performing processes on the area in the fabrication of integrated circuits thereon, including processes of deposition, impurity implantation, etching, ablation, a... | 01/31/1989 |
| 4768291 | Apparatus for dry processing a semiconductor wafer A method and apparatus of dry processing a semiconductor wafer including processes of vacuum baking and dry silylation provides a gaseous atmosphere of pressure up to 760 Torr against the surface of the wafer, one or more of the constituents of the gas be... | 09/06/1988 |
| 4749840 | Intense laser irradiation using reflective optics Intense far-ultraviolet laser radiation is applied to a workpiece in performance of processes in the fabrication of integrated circuits, including processes of ablation, deposition, impurity implantation and radiation induced chemical processes. Other pro... | 06/07/1988 |
| 4750111 | Computer system for processing analog and digital data A computer system for processing analog and digital data input signals from many sources and producing analog and digital data output control signals includes a plurality of digital processing devices for processing the input data, a Processor Bus that in... | 06/07/1988 |
| 4714366 | Loose-leaf document binder Individual fasteners are provided for each of several pre-determined holes along a margin of pages of a document for securing the pages together at the holes, each fastener including: a relatively rigid cylindrical insert having a head at one end, the dia... | 12/22/1987 |
| 4688702 | Self cleaning mixer and dispenser of fluid materials A dispenser for mixing fluid materials and dispensing the mixture includes a common passage having an output or dispensing nozzle end and an input end into which the separate fluid materials are injected from separate passages, the common passage being es... | 08/25/1987 |
| 4674289 | Cryogenic liquid container A container for low temperature liquefied gas includes inner and outer shells forming a sealed evacuated space around the inner shell to insure low heat conduction from the ambient surroundings through the container to the liquefied gas in the inner shell... | 06/23/1987 |
| 4672342 | Method and means of construction of a coaxial cable and connector-transformer assembly for connecting coaxial cables of different impedance A Super High Frequency (SHF) coaxial cable and connector assembly for connection of the coaxial cable thereof to a relatively low impedance circuit, such as a YIG filter for which the connection impedance is on the order of ten ohms, has a connector provi... | 06/09/1987 |
| 4666230 | Coaxial cable connector assembly A Super High Frequency (SHF) cable and connector assembly for connection to a relatively low impedance circuit, such as a YIG filter for which the connection impedance is on the order of ten ohms, includes: a SHF coaxial cable having a metal ferrule solde... | 05/19/1987 |
| 4650437 | Modular construction set A construction set of modular pieces for constructing a scale model of an arrangement of contemporary buildings, such as a complex or cluster of high and low rise buildings located on common plaza areas, is made of several kinds of modular plaza blocks, b... | 03/17/1987 |
| 4630316 | Transition between rectangular and relatively large circular waveguide for a UHF broadcast antenna A high power TV antenna for operation at the ultra high frequency (UHF) frequency F includes a radiating antenna located at the top of a tower structure (often hundreds of feet high), a transmitter at the bottom of the tower and a main circular waveguide ... | 12/16/1986 |
| 4624207 | Diving plane An underwater diving plane towed by a boat and ridden by a diver includes a longitudinal diver support member which supports the diver in the prone position, a lateral wing support member with contoured wings attached at the ends thereof and evenly spaced... | 11/25/1986 |
| 4611270 | Method and means of controlling the output of a pulsed laser In a pulsed laser which is periodically energized so that it emits a pulse of radiation following each periodic energization, a feedback loop control system is provided for controlling energization of the laser so that the laser output radiation pulses ar... | 09/09/1986 |
| 4599744 | UHF broadcast antenna on a tower with circular waveguide carrying RF energy up the tower to the antenna with polarization adjustments and exclusions In an ultra high frequency (UHF), high power broadcast television (TV) antenna system that includes a radiating antenna located at the top of a tower structure many hundreds of feet high, a transmitter at the bottom of the tower and a circular waveguide t... | 07/08/1986 |
| 4598724 | Coin counter The coin counting apparatus wherein coins of various denominations to be counted fall upon a rotating coin table that is designed to catch and hold coins of different denominations at different positions on the table so that each held coin may be detected... | 07/08/1986 |
| 4586274 | Athletic shoe cleats for artificial turf An athletic shoe for use on artificial turf has an outer ground sole with cleats that project perpendicular from the surface of the sole, each cleat having a channel on one side extending to the projecting end of the cleat, the cleats being arranged on th... | 05/06/1986 |
