Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 5071553 | Self retaining fluid filter A fluid filter and a method of constructing a fluid filter which will independently retain itself in a fluid passageway includes a sheet of filter media and a retainer which is attachable to one side of the filter media. The retainer may be sized to frict... | 12/10/1991 |
| 5039122 | Bicycle auxiliary power unit A bicycle auxiliary power unit is provided wherein hand powered levers provide a mechanical means for transposing the natural power strokes of the rider to the mechanism propelling the vehicle. The auxiliary power unit provides a means for permitting a st... | 08/13/1991 |
| 5007550 | Container A container of adjustable width including a base, a back, a front edge and two side walls, the container being characterized in that it is formed by two elements (1, 2) each including a side wall (3, 13) bounded by the back (4, 14) and a base part, the ba... | 04/16/1991 |
| 4957566 | Acid cleaning of drums with interior linings A method and means is provided for cleaning of drums with interior linings wherein sulfuric acid is utilized. The process of the present invention is especially suitable for cleaning epoxy, phenolic, epoxy phenolic linings and other linings from steel dru... | 09/18/1990 |
| 4941867 | Container rotor for a centrifugal separator The present invention is to provide an improved container rotor for use in a centrifugal separator which can serve different types of the centrifugal separating operation by the employment of a specific rotor which allows three types of bucket to be excha... | 07/17/1990 |
| 4935056 | Wear-resistant copper-base sintered oil-containing bearing materials A wear-resistant copper-base sintered oil-containing bearing material having a structure which contains 2 to 11 % by weight of tin and 1 to 20 % by weight of cobalt and further includes 2 to 15 % by weight of at least one of molybdenum disulfide, graphite... | 06/19/1990 |
| 4907366 | Mosquito control A way is provided for controlling mosquitoes within the human being is simulated to attract mosquitoes away from areas of human gatherings, such as backyards and the like. A solution of lactic acid in water is prepared and heated to simulate the body temp... | 03/13/1990 |
| 4898356 | Reversible endless screw slides authorizing a micro millimetric controlled displacement and including a memory for a vehicle seat The reversible endless screw slides are fixed by their lower fixed elements to the vehicle floor via a base plate. The base plate is mounted under at least one of the two slides and carries a profile section forming a rack cooperating with a reversible en... | 02/06/1990 |
| 4896581 | Accurizer An accurizer is provided for improving the accuracy of handguns by eliminating or lessening the potential misalignment of the barrel from which a projectile is fired and the sights used by the operator to aim at the target. There is provided a barrel havi... | 01/30/1990 |
| 4876422 | Waterproof switch A waterproof switch includes a switch mechanism having an operation portion, a plurality of leads, each lead having an essentially circular outer periphery, connected to said switch mechanism and a waterproof housing having an external shape which substan... | 10/24/1989 |
| 4875463 | Stove top adapter A stove top adapter is provided which is constructed so that a collar is provided on the top side thereof whereby a pipe can be received to be vented through a full masonry chimney in order to achieve a direct connection of pipe from the stove through the... | 10/24/1989 |
| 4812482 | Application of -[[(2-hydroxy-1, 1-dimethyl-ethyl) amine] methyl] benzene methanol hydrochloride (EL-508) as a drug with antiinflammatory action An application of -[[(2-hydroxy-1, 1-dimethyl-ethyl) amine] methyl] enzene methanol hydrochloride (EL-508), as a compound with antiinflammatory action, as well as the different pharmaceutical compositions in which the referred compound is the active... | 03/14/1989 |
| 4794787 | High-low viscosity comparator A method and apparatus is provided for determining decreases and increases of viscosities of used oils or fluids and to detect changes in the oils or fluids during operation in equipment or storage. The limits on both ends can be established by the indivi... | 01/03/1989 |
| 4760800 | Reversible knick knack shelf A reversible knick knack shelf is provided that can be used for homes and offices and wherein various articles can be held or supported thereon. The shelf assembly and unit can sit on a desk, table, or other flat surface. Different means can be provided f... | 08/02/1988 |
| 4757652 | Roofing product A roofing product is provided that has a release film on the back surface thereof, and the release film is split to allow the material to be flopped back; one side is stuck and then the other side is flopped down. The roofing product includes a top surfac... | 07/19/1988 |
| 4751728 | Telephone call monitoring, metering and selection device There is provided a telephone call monitoring, metering and selection device, the purpose of which is to select the lowest-cost way to make a call from one point to another point. The user will program the possible carriers and rates from a standard telep... | 06/14/1988 |
| 4706927 | Form for producing arcuate bores in poured concrete slabs An arcuate plastic shoe-like sleeve form with an upper open minor end and a lower open major end is provided for attachment by a mounting flange on its major end to a form structure for poured concrete slabs, such as a floor, so that, after concrete is po... | 11/17/1987 |
| 4686850 | Method and apparatus for testing drums There is provided a method and apparatus for testing drums such as steel drums, wherein the drums are moved automatically into a pre-determined area, and the drums are rotated and oriented, air under pressure is next introduced into the drums, and wherein... | 08/18/1987 |
| 4607764 | Fluent product extraction system An apparatus for intermittently and accurately discharging a measured portion of the contents of a container by a peristaltic pumping action and such apparatus includes an elongated elastomeric tubular body having a connection at one end for attachment to... | 08/26/1986 |
| 4581712 | Roof pressure monitoring system A mine safety system and method of measuring and monitoring the mine roof support stress levels. The information which is continuously gathered is recorded and stored so that a substantially complete history of each selected roof bolt is available to mine... | 04/08/1986 |
| 4535202 | Loop-circuit for telephone line A loop-circuit for a telephone line is provided that includes a transistor having a first electrode directly connected to one of the wires of the line, a second electrode connected to the other of the wires of the line by means of a resistor, a gate elect... | 08/13/1985 |
| 4523893 | Liquid ring pump A liquid ring pump including a helically bladed rotor 2 eccentrically mounted in an elongated pump casing 1 and including a hub 3, a suction inlet 18 and a discharge outlet 19 at respective ends of the pump casing 1. The open space between the bladings en... | 06/18/1985 |
| 4516691 | Pierce turn tap A pierce turn tap is provided that consists of two parts, and wherein there is provided integral molded seals, and wherein the pierce turn tap is adapted to be mounted on plastic pouches. The pierce turn tap has an integral seat and an integral flange for... | 05/14/1985 |
| 4512136 | Fitment attachment methods in horizontal form/fill/seal machines The method of forming a pouch in a horizontal form/fill/seal machine and applying a dispensing fitment to a folded edge of the pouch.... | 04/23/1985 |
| 4504702 | Additional line coupling circuit to an intercom telephone set An additional line coupling circuit to an intercom telephone set having inserted between the additional line and the intercom telephone set, a d.c. line uncoupling circuit as well as means coupled to one of the wires of the line for transmitting signals o... | 03/12/1985 |
| 4498806 | Beach erosion prevention jetty configuration A beach erosion jetty configuration is provided wherein the jetties are curved to stop or prevent a vacuum effect which causes beach erosion. Swift currents running in or out of inlets create a Venturi effect that pulls sand-laden waters from nearby and s... | 02/12/1985 |
| 4488497 | Adjustable tool tray Adjustable tool tray assembly having a vertical upstanding support member with a series of spaced diametrical holes passing through the support member parallel to each other, a "U" shaped bracket forming a base and supporting the vertical support member a... | 12/18/1984 |
| 4476667 | Corn pickup attachment for a combine A corn pickup attachment for a combine is provided wherein the combine is adapted to be propelled along the ground and there is provided a unique and highly efficient framework together with a novel means for gathering corn and the like that has fallen to... | 10/16/1984 |
| 4475730 | Apparatus for folding and stacking paper products A method and apparatus for continuously folding a plurality of webs of material such as paper or the like, cutting the webs into segments of predetermined length, combining the segments into a group and then stacking the groups together until a desired nu... | 10/09/1984 |
| 4473432 | Dot heat stapling Dot Hot Stapling is provided wherein articles such as bags can be made of interwoven or knitted plastic material and wherein the interfitting or interwoven strips are adapted to be sealed together so as to prevent unraveling and to provide an economical m... | 09/25/1984 |
| 4460089 | Protective case for a second stage breathing apparatus A case is provided for protecting a second stage breathing apparatus such as those used in underwater scuba diving equipment. The case is in the nature of a device for keeping the second stage breathing apparatus clean and for protecting the same and for ... | 07/17/1984 |
| 4452378 | Gussetted bottom pouch A pouch which is formed to provide an inwardly folded bottom wall to which a discharge fitment is attached so that the weight of the fluidic material within the pouch causes the bottom wall to be extended when the pouch is disposed in a generally vertical... | 06/05/1984 |
| 4450660 | Thermal barrier A thermal barrier is provided that includes a pair of sheets made of a material such as suitable plastic, and wherein the pair of sheets interfit to form a hollow panel. Compressible cellular foam material is mounted on the outer edges of the panel. Ambie... | 05/29/1984 |
| 4440316 | Combined piercer and valve for flexible bag A valve or tap is provided for use with a flexible film pouch or bag of the type that contains liquids or fluidic material, and wherein the valve includes a sealing flange or a fitment that is suitably secured or affixed to the outer surface of the film o... | 04/03/1984 |
| 4426748 | Motorcycle for cleaning the ground The motorcycle comprises a support rigid with the frame of the motorcycle and at least one cleaning device which is mounted on the support to move between a cleaning position in which it is in contact with the ground and withdrawn position. The cleaning d... | 01/24/1984 |
| 4414885 | Flavor injector A method and apparatus for introducing and distributing additives into bodies of meat and the like. The apparatus includes a cylindrical member retained in a hollow cylindrical tubular member, the tubular member engaging with an additive reservoir. The cy... | 11/15/1983 |
| 4392610 | Heat scavenger A heat scavenger or heat recovery system is provided for use with a furnace such as a hot air furnace, wherein the incoming air to the furnace is preheated, and wherein the exhaust or waste heat that is ordinarily lost up the chimney is recovered and used... | 07/12/1983 |
| 4391412 | Apparatus for limiting filling height of containers Apparatus for limiting the filling height of containers for receiving shredded or minced paper film or the like from cutting or shredding machines, characterized by a switch for stopping the machine when the container is filled to a predetermined height, ... | 07/05/1983 |
| 4383401 | Twin mounted double sided reciprocating shaping mechanism A twin mounted double sided reciprocating shaping mechanism is provided which is formed in the shape of an acute isosceles triangle whereby the bottom is opened to the ground and each cutting mechanism is bent or deformed along the longitudinal axis to fo... | 05/17/1983 |
| 4369711 | Bag for explosives with lower reinforcing sleeves A bag for explosives is provided that includes an inner liner of plastic material that has a quantity of granular explosive material therein, and wherein a woven outer member has the liner arranged therein, girdle sleeve portions on the lower end of the b... | 01/25/1983 |
