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.
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 |
| 6378951 | Vibratory pavement breaker An electrohydraulic pavement breaker system having cavities (28, 30) which are filled with hydraulic fluid (oil) or gas, and which provide mass spring system which is resonant at a frequency which is especially adapted for breaking and rubblizing concrete... | 04/30/2002 |
| 6251658 | Inertial impact drill for cytological applications An inertial impact drill for diverse applications in cytology such as in-vitro fertilization, genetic research, pharmaceutical research, cloning, etc., is designed to operate in conjunction with micropipettes, microelectrodes, and micromanipulators. The d... | 06/26/2001 |
| 5925293 | Mixer sparging apparatus In order to efficiently mass transfer from gas, particularly air, into liquid or liquid suspensions with enhanced efficiency in terms of the mass of the gas transferred to the liquid, the gas is released or sparged through a plurality of open pipes which ... | 07/20/1999 |
| 5864997 | Junction members and their uses A junction member (1), has an external form (2) that is polygonal in cross section and has external faces (4) of a polygon; adjacent corners (3) of the polygon defining respective external adjacent corners of each external face, each of those corners cons... | 02/02/1999 |
| 5860726 | Rotator mounting system A resilient mount for rotating warning light systems includes a mounting base having a plurality of mounting feet, each of which includes a special grommet mounted within an aperture formed therein. The grommets are selectively shaped so as to absorb and ... | 01/19/1999 |
| 5855652 | Aerosol collector and concentrator Apparatus is disclosed for rapidly collecting aerosols containing solid particles and micro organisms, such as viruses and bacteria, from relatively large volumes of air and concentrating these particulates as samples in water. This apparatus operates und... | 01/05/1999 |
| 5842377 | Mixer gearbox assembly having a cross-shaft alternatively mounted in one or two bearings and configured to receive different drive motors A mixer gearbox assembly for driving a mixer shaft capable of receiving either a complete electric drive motor on a first face of the gearbox housing for operatively coupling with a first end of a long cross-shaft in the housing, or alternatively a partia... | 12/01/1998 |
| 5804757 | Flexible, lightweight, compound body armor Flexible, lightweight, compound body armor has multiple protective layers designed to defeat incoming projectiles. The first protective layer has a flexible base layer of penetration-resistant material having, fastened to its surface, facing the exterior,... | 09/08/1998 |
| 5794270 | Protective headwear Protective headwear, comprising: a first head covering for covering at least one portion of a person's head; a second head covering for covering at least one portion of the person's head, at least one portion of said second head covering being within, or adapt... | 08/18/1998 |
| 5779359 | Mixer having exposed clean-in-place bearing assemblies An improved immersible magnetically-coupled mixer has a plurality of rollable bearing assemblies readily cleanable by flushing in place and easily removable and replaceable without damage to either the mixer impeller or the bearings. The rollable bearings... | 07/14/1998 |
| 5758965 | Mixer system An improved immersible magnetically-coupled mixer has rollable bearings readily cleanable by flushing in place and easily removable and replaceable without damage to either the mixer impeller or the bearings. The rollable bearings are resistant to corrosi... | 06/02/1998 |
| 5724798 | Latch for a folding corn head A latch (48) for securing a pivotable portion (34) of a foldable corn head (10) to a fixed portion (32) thereof, the latch being actuated to close or open by the folding action of the corn head portions. In closing the latch, a slidable pin actuator (50) ... | 03/10/1998 |
| 5720486 | Self-formed labyrinth seal A labyrinth shaft seal for preventing the migration of gear lubricant from a mixer drive assembly into a batch of process materials being mixed. In the preferred embodiment, a portion of the gearcase outboard of the upper quill bearing, preferably the act... | 02/24/1998 |
| 5699738 | Apparatus and method for cleaning a roller A cleaning system for removing contaminants from the surface of a roller. A stationary cleaning pad is forced at a first urging force against a roller to be cleaned, and the roller is driven in rubbing contact with the pad. Preferably, the pad is supplied... | 12/23/1997 |
| 5697838 | Apparatus and method to optimize fume containment by a hood A system for optimizing the flow of air through a fume hood by dynamically controlling the air flow to provide a stable vortex in the vortex chamber of the hood, the optimum condition for minimizing backflow of fume-laden air through the hood doorway. A h... | 12/16/1997 |
| 5692597 | Conveyor belt assembly A low cost, self contained endless conveyor belt assembly includes a flat conveyor bed, an endless conveyor belt and a plurality of frame members mounted thereto. The bed mounted frame members support and house a drive shaft which includes sprockets for e... | 12/02/1997 |
| 5680750 | Corn harvester head having adjustable stripper plates Parallelogram linkage apparatus for slidably shifting stripper plates in a corn head of a corn harvesting machine to widen or narrow the gap between opposed plates in a row harvester. Each slidable stripper plate has a parallelogram linkage which slidably... | 10/28/1997 |
| 5669399 | Hair forming device A hair forming device for arranging a pony tail or braid. The device comprises a series of rings disposed serially, and overlapping one another just enough to form a junction connecting adjacent rings. The rings may be arranged linearly, or in a matrix fo... | 09/23/1997 |
| 5655780 | Mixer seal assembly with fast connect coupling A mixer seal assembly for a closable vessel having a dynamic mixer shaft seal in a bore in a vessel flange and a static seal for vessel transport formable by insertion of a disconnected lower portion of a fast connect coupling which is fast to install on ... | 08/12/1997 |
| 5646909 | Pneumatic gun for rapid repetitive acoustic firing A pneumatic gun having a fast-acting sliding sleeve valve member reciprocating between two axial positions, first to open an exhaust port for the explosive release of gas from a pressurized charge chamber in a stationary housing while simultaneously closi... | 07/08/1997 |
| 5646910 | Pneumatic gun for rapid repetitive firing A pneumatic gun or air gun having a fast-acting sliding valve reciprocable between two axial positions to close or open intake and exhaust ports in a charge chamber in a housing. The sliding valve comprises a piston internal to the housing and may include... | 07/08/1997 |
| 5594200 | Electromagnetic isolation chamber A glove box enclosing a volume shielded from electromagnetic radiation by the glove box wherein the gloves are formed from conductive material such as chain mail and are conductively and shieldingly attached around apertures in the walls of the glove box,... | 01/14/1997 |
| 5570123 | Thermal print head with auxiliary printer head guard A thermal print head includes an auxiliary print head guard disposed in close relationship to the primary print head guard so as to protect from damage by a foreign object the material encapsulating the electrical components and connectors contained on an... | 10/29/1996 |
| 5568985 | Mixer apparatus having an improved steady bearing The improved steady bearing contains a trap at the distal end of a mixer shaft in a vessel whereby the steady bearing is isolated from materials being mixed. The steady bearing is preferably a dry-running ceramic ball bearing assembly. A hood on the mixer... | 10/29/1996 |
| 5568975 | Self-adjusting steady bearing support assembly and suspension A steady bearing on a mixer shaft in a vessel supported from the walls of the vessel by a plurality of pairs of parallel struts which are pivotably mounted at their ends in fixed parallel clevises, the inner clevises being included in a bearing support su... | 10/29/1996 |
| 5568143 | Analog to digital conversion system having automatically and dynamically variable resolution range In order to digitize with sufficient resolution an analog signal, which may be generated by a photodetector in a spectrophotometer, an improved analog to digital conversion system is provided having an integrator stage, an analog to digital converter, a m... | 10/22/1996 |
| 5538120 | Clutch bracket retainer for torque sensing clutch mechanisms The retainer is a circular cam follower plate having therethrough three arcuate slots arranged coaxially of the axis of the plate. Each of the slots has a roller follower mounted in one end thereof for rotation about an axis extending transversely of the ... | 07/23/1996 |
| 5538234 | Automatic mailing machine An automatic mailing machine includes a mail transport device for moving individual pieces of mail, which can be of varying shapes and sizes, from a mail bundle to an oppositely disposed apparatus for weighing such pieces of mail and to then move same to ... | 07/23/1996 |
| 5534346 | Attachable thin film prophylactic barrier A disposable, general purpose, protective, prophylactic barrier to aid in preventing cross-contamination from one operation to another. This prophylactic barrier, a visually transparent or translucent, flexible, pliable, planar, rectangular, thin-film, pl... | 07/09/1996 |
| 5521576 | Fine-line thick film resistors and resistor networks and method of making same Electrical resistors and resistor networks are provided on an insulative substrate with designated conductive terminations by direct and continuous writing of resistive lines in fine-line patterns between and over each two of neighboring terminations from... | 05/28/1996 |
| 5516481 | System for containerless processing of materials under a state of compensate-gravity A pressure medium composed of plural kinds of fluids each of which have a different density is charged in a pressure chamber forming, for example, fluid layers. A material is suspended by way of buoyancy brought by this pressure medium. By properly contro... | 05/14/1996 |
| 5511881 | Impeller system and method for enhanced-flow pumping of liquids A rotatably driveable enhanced-flow impeller system is provided for pumping at least one liquid in a tank through an outlet port thereof. A radial flow impeller has a first impeller face disposed proximate the bottom of the tank and proximate or extending... | 04/30/1996 |
| 5500770 | Macrolens system for emission microscopy A multiple lens element macrolens system operative as a single lens has a high light transmission value and a wide field of view of an object to be viewed. The macrolens system provides a long object working distance and an extended back focal distance to... | 03/19/1996 |
| 5483044 | Microwave heating with hot and cold air streams A microwave oven cavity 2 is provided by a magnetron(s) with microwave energy for providing heat in the thermal cavity. Hot air is supplied by a heated air supply and director (21,22,24). Cool air, at least a portion of which is able to assist in containi... | 01/09/1996 |
| 5480228 | Mixer systems A mixer system for aggressive (toxic, hazardous, corrosive, etc.) materials which are mixed (agitated, suspended, circulated, etc.) in a vessel with an impeller connected to a drive shaft has the impeller and its shaft mounted in an assembly which extends... | 01/02/1996 |
| 5461471 | Optical ranging Optical ranging (e.g. for hitching purposes) utilises at least one first reference indicium comprised by a subject (e.g. a vehicle); at least one reflector; at least one second reference indicium, for being comprised by an object behind the subject; and o... | 10/24/1995 |
| 5454986 | Down-flow batch mixing system Improved mixing effectiveness in the mixing of a gas with a liquid suspension is achieved in a batch mixing system having a mixing tank with a hemi-toroidal tank bottom which extends between a radially inner neck portion of the tank to a radially outer cy... | 10/03/1995 |
| 5453164 | Pyrolytic conversion system A pyrolytic converter utilizing a rotatable drum surrounded by an outer drum support structure and disposed in an oven chamber pyrolyzes materials including plastic waste, tires, materials from automobile shredding operations, containers and trays of plas... | 09/26/1995 |
| 5453844 | Image data coding and compression system utilizing controlled blurring Data representing the image of an original picture having high resolution are first acquired. The data are then processed in accordance with a blurring function, which can be a randomly distributed point spread function. Processing can be carried out eith... | 09/26/1995 |
| 5446588 | Wide-angle eyepiece optical system employing refractive and diffractive optical elements Eyepiece optical systems having arrangements of surfaces where light is refracted or diffracted provide eyepieces with fewer elements and more compact designs than comparable, conventional eyepiece designs. These eyepiece optical systems have three elemen... | 08/29/1995 |
