Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 6810537 | Pool floor drain assembly for a suction-activated water circulation system The swimming pool floor or spa floor drain assembly of the present invention includes a drain body having a mouth positionable in proximity to the pool wall to serve as a fluid flow inlet, a spaced apart fluid flow outlet positionable below the mouth and a sidewall ... | 11/02/2004 |
| 6599045 | Height measuring level pen/pencil A level pen/pencil or other writing instrument is equipped with an end-mounted level vial which mates with the pen/pencil barrel. The housing of the level is entirely clear allowing for the bubble of the level to be visible from all sides of the pen/penci... | 07/29/2003 |
| 6000072 | Spa cover remover A spa cover remover has a pair of parallel side bars pivotably connected to opposite sides of a spa, and a cross-bar in the form of a roller extending between upper ends of the side bars. In use, a spa cover is folded over the cross-bar during removal fro... | 12/14/1999 |
| 4968328 | De-mister baffle and assembly This invention relates to improved baffles or deflector elements for gas treating equipment wherein each element is designed with inlet and outlet sections conntected by a low pressure drop sinusoidal curved section. Each element is also provided with liq... | 11/06/1990 |
| 4830644 | Separator for gaseous fluids A separator for fluids having first and second section parts arranged in rows. The parts are, in cross section, open and trough-shaped, with edges which overlap. Each section part has an inner protrusion extending in the longitudinal direction thereof, wh... | 05/16/1989 |
| 4799944 | Gas filter A gas filter which is formed from a single continuous sheet of material folded along a plurality of parallel fold lines and interconnected at appropriate folds so as to produce an element having spaced front and rear faces and a plurality of partition wal... | 01/24/1989 |
| 4793831 | Process for purifying flue gases A process for purifying flue gases by conducting the hot gases through a dry purification stage, and then through a pebble bed evaporator containing pebbles and a liquid. The flue gases then exit the pebble bed evaporator and are washed in a wet washing s... | 12/27/1988 |
| 4792345 | Control circuit for an air cleaner A control circuit for an air cleaner including a gas sensor, an ultraviolet sensor and a control circuit for performing an automatic operation of the air cleaner in response to the detection of outputs of the sensors. A predetermined number of electrical ... | 12/20/1988 |
| 4790862 | Air cleaning machine An air cleaning machine to be used in houses, offices and so on utilizes an ultraviolet-ray sensor and a gas sensor jointly to combine the characteristics, so that the operation of the appliance becomes extremely smooth. The appliance operates almost imme... | 12/13/1988 |
| 4790857 | Gaseous contaminant dosimeter with diffusive material for regulating mass uptake A gaseous contaminant dosimeter apparatus for collecting, for subsequent analysis, a gaseous contaminant in proportion to its average concentration in the ambient atmosphere over a predetermined collection period. The gaseous contaminant dosimeter apparat... | 12/13/1988 |
| 4790861 | Ashtray An ashtray having a small electrode and a large electrode. A high voltage is applied between the two electrodes so that ions are produced to ionize smoke particles, air is caused to flow from the small electrode to the large electrode and the ionized smok... | 12/13/1988 |
| 4786293 | Smart controller for reverse pulse air filter A control device for an air filter or dust collector equipped with a reverse pulse air cleaning system wherein the pressure differential across the air filter is continuously monitored and compared to a reference set point pressure differential. When the ... | 11/22/1988 |
| 4784675 | Cabinet controller A controller is associated with a cabinet which contains apparatus and components for performing operations or conducting processes. Associated with the cabinet is a housing within which is contained an air filtration material. Air is admitted and propell... | 11/15/1988 |
| 4781736 | Electrostatically enhanced HEPA filter A conventional HEPA (high efficiency particulate air) filter is provided with a ionizer at its air inlet face to enhance its efficiency. The filter comprises a non-conductive fibrous filter medium sheet formed in a zig-zag or accordian fold. Within each f... | 11/01/1988 |
| 4780113 | Isomobility focusing in a magnetically stabilized fluidized bed The present invention relates to a process for chromatographically concentrating and separating a component of a multi-component feedstream using a magnetically stabilized fluidized bed. More particularly, the present invention concerns an isomobility foc... | 10/25/1988 |
| 4778489 | Process for separating a water insoluble distillate from an aqueous vapor The distillate which is contained in the prescrubbed vapors from the fatty acid fractionation or deodorization of oils and fats is obtained by mixture condensation in a cooling fluid fed into a principal flow of said vapors. A side flow enriched in distil... | 10/18/1988 |
| 4778493 | Electrostatic precipitator with means for the enhanced charging and collection of fine particles An electrical precipitator which uses a combination of field charging, diffusion charging, and electron charging for the enhancement of fine particle charging and collection. A precipitator is described for the collection of fine particles of less than 1.... | 10/18/1988 |
| 4776864 | Electrostatic precipitator An electrostatic precipitator wherein a gaseous carrier medium is caused to pass through one or more electrostatic filters to be relieved of the major percentage of impurities. The thus purified carrier medium is caused to flow through a tapering funnel-s... | 10/11/1988 |
| 4775395 | Integrated process for the treatment of a methane-containing wet gas in order to remove water therefrom A gas containing methane and water is treated in order to remove water therefrom. The process comprises a step of contacting the gas with a liquid phase formed of water and solvent, whereby water free of solvent can be removed, and a subsequent step of co... | 10/04/1988 |
| 4772297 | Air cleaner An air cleaner comprising arranging minus and plus electrodes in such a manner that they have a certain space between them, applying high voltage of about 3 KV-7 KV to them, and letting air pass through this high voltage region to charge and absorb dust a... | 09/20/1988 |
| 4772299 | Debris separator for brake cooler An apparatus for cooling racing car brake assemblies removes entrained contaminants from the airstream prior to allowing the cooling airstream to impinge upon the brake assembly. The apparatus first comprises a rectangular or cylindrical housing for direc... | 09/20/1988 |
| 4772383 | High-gradient magnetic separator A high-gradient magnetic separator is provided for filtrating weakly magnetic particles from a fluid in which they are suspended. The fluid is caused to flow through a separation chamber arranged in a gap in a magnetic circuit which comprises a pair of se... | 09/20/1988 |
| 4769130 | High-gradient magnetic separator A high-gradient magnetic separator is provided for filtrating weakly magnetic particles from a fluid in which they are suspended. The fluid is caused to flow through a separation chamber arranged in a gap formed between a pair of opposed pole surfaces of ... | 09/06/1988 |
| 4769049 | Side rapping drag hammer apparatus for electrostatic precipitators An electrostatic plate type precipitator is provided with plural alternately disposed, vertically arranged, and equally spaced apart discharge and collector plates in a housing support structure with an inlet and outlet, enabling passage of gases between ... | 09/06/1988 |
| 4767427 | Cartridge filter mounting apparatus A releasable clamping apparatus for securing cartridge filter elements to a tube sheet of a dust collector apparatus. The clamping apparatus includes a clamping band which surrounds the filter element. The tube sheet includes a plurality of spaced apart J... | 08/30/1988 |
| 4765806 | Control method for a dual-cylinder moisture removal apparatus A control method for a dual-cylinder moisture removal apparatus of a pneumatic system is taught. The control method places a limitation on the time for drying of moist air in a drying cylinder. The drying of moist air in one drying cylinder and the regene... | 08/23/1988 |
| 4765803 | Method and device for agglomerating electrically nonuniformly charged-up solid or liquid particles suspended in gas streams Method and device for agglomerating particles of opposite electrical charge suspended in gas streams, in which two partial gas streams (3) are provided, in which the particles are alternatingly charged with positive and negative ions in a manner such that... | 08/23/1988 |
| 4765802 | Electrostatic precipitator plate spacer and method of installing same A spacer is provided for maintaining the spacing between a pair of adjacent electrostatic precipitator plates having corona electrode wires positioned midway therebetween. The plates are of the type having a generally planar vertically extending surface s... | 08/23/1988 |
| 4764188 | Electrostatic precipitator The present invention relates to an electrostatic precipitator (2) which comprises mutually adjacent discharge electrodes (3a) and collecting electrodes (4a), and a voltage source which delivers to the electrodes a d.c. current of high voltage so as to ge... | 08/16/1988 |
| 4762540 | Noise suppression and particle separation apparatus for high pressure gaseous fluid flows Noise suppression and particle separation apparatus for flows of high pressure, high velocity, particle-laden, gaseous fluid, such as geothermal steam, comprises a gaseous fluid conduit that has axially installed around its discharge end a larger diameter... | 08/09/1988 |
| 4761165 | Pressure swing adsorption control method and apparatus The present invention provides a method and apparatus for automatically controlling product repressurization in a pressure swing adsorption (PSA) process. According to the invention the same valve employed for withdrawing product from a bed during adsorpt... | 08/02/1988 |
| 4759778 | Air filter The invention provides a filter structure for use with a high voltage power pack for filtering particulates from a stream of air passing through the filter structure. The structure includes a structural element for facing the stream of air and the back pa... | 07/26/1988 |
| 4759779 | Spacer means for cross-linking collecting electrode panels in an electrostatic precipitator An integral one-piece spacer (70) is provided for use in an electrostatic precipitator (10) of the type having adjacent horizontally spaced collecting electrode panels (20) disposed in parallel relationship in spaced vertically extending planes. The space... | 07/26/1988 |
| 4758255 | Canister for adsorbing fuel vapors A canister for absorbing fuel vapors includes a vapor-absorbing adsorbent layer contained in a cylindrical, laterally-mounted casing, an intake port and a purge port which are provided at one side of the adsorbent material layer, an air port provided at t... | 07/19/1988 |
| 4755197 | Torque transmitting deaerating apparatus A torque transmitting apparatus which includes a tubular drive shaft defining a deaeration chamber integral with the interior of the shaft. Aerated liquid is ducted into one axial end of the deaeration chamber and separated air and residual liquid are duc... | 07/05/1988 |
| 4752447 | Optical filter with reversible color change The present invention is directed to an optical filter that includes a mixture of at least one basic or acid color former or dye, preferably being a triphenyl methane system and at least one complementary acid or basic compound. The mixture reversibly cha... | 06/21/1988 |
| 4752309 | Rapping mechanism for rapping the electrodes of an electrostatic precipitator A rapping mechanism for the rapping of discharge and field electrodes in a high voltage driven electrostatic precipitator used for the cleansing of smoke laden gases from industrial plants, power works etc. The rapping effect is obtained by metal balls wh... | 06/21/1988 |
| 4750916 | Method and arrangement for cleansing a flow of hot contaminated gas The invention relates to a method and an arrangement for cleansing a flow of hot contaminated gas (1), in which the contaminants comprise both dust particles and gaseous condensable contaminants. The gas is cooled in a heat exchanger in a first stage (2) ... | 06/14/1988 |
| 4750921 | Electrostatic filter dust collector This electrostatic filter dust collector has a dust collecting section which is assembled by using a mini-pleat type filter member having a small width of the fold thereof and a short distance between the adjacent ridge portions thereof, whereby the dust ... | 06/14/1988 |
| 4749386 | Safety filter for a vacuum cleaner The invention is directed to a safety filter for an outlying filter cartridge of a hand-guided vacuum cleaner. The filter cartridge includes a rigid air-permeable jacket and accommodates a paper filter bag which is seated in the jacket. The safety filter ... | 06/07/1988 |
