...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.
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 |
| 8262761 | Modular cyclone precleaner system and method A modular cyclone precleaner system includes one or more standardized and reusable modular cyclone blocks configured in parallel. The modular cyclone blocks are provided as components designed for reuse across differing precleaner systems for potentially different p... | 09/11/2012 |
| 8025706 | Fluid separating vessel A fluid separating vessel (1) comprises: a liquid outlet (3) near the bottom of the vessel; a gaseous fluid outlet (4) near the top of the vessel; a plurality of cyclones (5) arranged in an upper region of the vessel in which at least som... | 09/27/2011 |
| 7955406 | Cyclonic separation apparatus A cyclonic separation apparatus comprising at least two series connected separation stages and a receptacle for collecting material separated by the separation stages is described. The first stage comprises a first cyclone separator, and the second stage comprises a... | 06/07/2011 |
| 7931718 | Oil mist separator An oil mist separator includes a body inside which a filtering chamber is formed for a filtering unit made up with several centrifugal dust collectors. With an air intake unit, the outside oil mist is sent into the filtering chamber. Then, the centrifugal dust colle... | 04/26/2011 |
| 7740677 | Oil separator In order to provide an oil separator for separating oil from a blowby gas of a cylinder head of an internal combustion engine, which oil separator is manufactured separately from a basic body of a cylinder head cover but may nevertheless be easily integrated into th... | 06/22/2010 |
| 7481860 | Cyclonic separator for suction cleaner A cyclonic separator/collector device for a suction cleaner, comprising a housing and at least one cyclonic separator disposed within the housing, the or each cyclonic separator having a cyclone body with a circumferential wall of which at least a major part is spac... | 01/27/2009 |
| 7390339 | Vortex separator in particle detection systems A particle separation apparatus is disclosed. The particle separation apparatus may be for sample air stream preparation and delivery in particle detection systems. The particle separation apparatus may include a first vortex separator coupled to a second vortex sep... | 06/24/2008 |
| 7381233 | Dust collecting apparatus for vacuum cleaner A dust collecting apparatus for a vacuum cleaner, comprising a dust canister body, a part of which becomes an exposed side exposed outside a cleaner body upon mounting in the cleaner body, and which comprises a first dust separating chamber for separating heavy dirt... | 06/03/2008 |
| 7381234 | Dust collecting apparatus for vacuum cleaner Disclosed is a dust collecting apparatus is provided that includes a dust canister body, a part of which becomes an exposed side exposed outside a cleaner body. The cleaner body has a first dust separating chamber for separating large-sized dirt and second dust sepa... | 06/03/2008 |
| RE40048 | Dust collection system A dust collection system for portable sanding or grinding equipment employs a cyclone separator mounted directly on the tool or machine, with a dust outlet duct at the narrow lower end of the cyclone, and a cartridge air filter mounted on the top of the cyclone. The... | 02/12/2008 |
| 7326268 | Multi cyclone vessel dust collecting apparatus for vacuum cleaner A multi cyclone vessel dust collecting apparatus comprises a first cyclone vessel for centrifugally separating contaminants from drawn in air; a plurality of a second cyclone vessels configured on the first cyclone vessel; and a contaminant collecting unit attached ... | 02/05/2008 |
| 7282074 | Auxiliary dust collection system An auxiliary dust collection system can be interposed between a sander or other dust producing tool and a vacuum source, e.g., shop vacuum. This auxiliary system has a cyclonic separator connected by a flexible hose to the tool and by another hose to the vacuum sour... | 10/16/2007 |
| 7261754 | Cyclone dust collecting apparatus for a vacuum cleaner A cyclone dust collecting apparatus for a vacuum cleaner comprises a cyclone body having a first cyclone and a second cyclone, an air inlet and an air outlet connected to the cyclone body, and a dust receptacle connected to the cyclone body. The dust receptacle incl... | 08/28/2007 |
| 7182803 | Solids multi-clone separator A cyclone separator includes a body having a side entry fluid inlet, a first outlet and a second outlet both aligned substantially transverse to the fluid inlet, and has the first and second outlets opposing each other. A cyclone tube assembly is positioned within t... | 02/27/2007 |
| 7182800 | Manually operated tool A manually operated implement such as a chainsaw, parting-off grinder or similar device is provided and has an internal combustion engine to drive a tool, an air cleaning unit and a tank housing. The tank housing is a cast part and a fuel tank is located in the tank... | 02/27/2007 |
| 7128770 | Cyclone dust-collector A cyclone dust-collector which filters out dust and dirt from drawn-in air at least two times, comprising a multiple cyclone unit having a first cyclone and a plurality of second cyclones arranged at the outside of the first cyclone, for centrifugally separating the... | 10/31/2006 |
| 7115156 | Air filter system A filter system for filtering intake air for a combustion engine, in particular an air filter for a commercial vehicle, having a tubular housing, an inlet situated in the housing through which unfiltered air to be cleaned can be supplied, an outlet situated in the h... | 10/03/2006 |
| 7048782 | Apparatus and process for power recovery Disclosed is a third stage separator which includes two main clean gas outlets. One main clean gas outlet communicates with a power recovery unit such as an expander turbine while the second main clean gas outlet communicates with a conduit that bypasses the expande... | 05/23/2006 |
| 7011690 | Device for separating liquid from a gas current Known devices for separating liquids using parallel-connected cyclones, when gas flows are fluctuating, have a poor separating action. In the device of the invention, the separating action is conversely improved by providing that the number of separator eleme... | 03/14/2006 |
| 6994743 | Two stage air filter A two stage air purification system is provided for the removal of airborne impurities from an airflow prior to the airflow entering a building's ductwork. In particular, a primary air filter is mounted within the hood of, for example, a cooking area and operable to... | 02/07/2006 |
| 6974488 | Vacuum cleaner A vacuum cleaner with an external surface incorporates a cyclonic separating apparatus that includes a plurality of cyclones arranged in parallel with one another. The cyclones each have a tapered body with an outside wall and are arranged so that at least a part of... | 12/13/2005 |
| 6942709 | Switchable cyclone for separating particles or droplets from a fluid stream A cyclone arrangement for separating particles or droplets from a fluid stream, including at least two cyclones (1, 2, 3; 21, 22, 23), which have a tangential intake opening (4, 5, 6; 24, 25) for the fluid stream and set the fluid stream into rotation ... | 09/13/2005 |
| 6884273 | Multicell cyclone and method for producing it A multicell cyclone with a plurality of cyclone cells and a method for the production thereof, in which the cyclone cells of the multicell cyclone are combined into groups from which deposited particles are cleaned out by vacuum suction through channel structures. T... | 04/26/2005 |
| 6858130 | Method and apparatus for separating solids from a gaseous phase The present invention relates to a method and apparatus for separating particulate matter from a gaseous stream. According to the method, the gaseous stream containing the suspended particulates is passed into a separator apparatus which includes at least two multip... | 02/22/2005 |
| 6835222 | Apparatus for separating particles from fluid flow Apparatus (10, 110, 210, 310) for separating particles from a fluid flow comprises an upstream cyclonic separator (12, 112, 212, 312) and a plurality of downstream cyclonic separators (26, 126, 226, 326) arranged in parallel with one another. Ea... | 12/28/2004 |
| 6833016 | Dust collection system A dust collection system for portable sanding or grinding equipment employs a cyclone separator mounted directly on the tool or machine, with a dust outlet duct at the narrow lower end of the cyclone, and a cartridge air filter mounted on the top of the cyclone. The... | 12/21/2004 |
| 6802890 | Method and apparatus for separating particles from hot gases A centrifugal separator assembly, which is attached to a fluidized bed reactor for separating solid particles from gas exhausted from a reaction chamber of the fluidized bed reactor, includes a vortex chamber. The vortex chamber is in a horizontal direction defined ... | 10/12/2004 |
| 6797041 | Two stage air filter A two stage air purification system is provided for the removal of airborne impurities from an airflow prior to the airflow entering a building's ductwork. In particular, a primary air filter is mounted within the hood of, for example, a cooking area and operable to... | 09/28/2004 |
| 6740144 | Vacuum cleaner utilizing electrostatic filtration and electrostatic precipitator for use therein A device for filtering a dirty air stream in a vacuum cleaner to obtain a clean air stream includes subjecting the dirty air stream to a first cyclonic separation stage to obtain a partially cleaned air stream and subjecting the partially cleaned air stream to an el... | 05/25/2004 |
| 6419719 | Cyclonic vacuum cleaner A cyclone separator having an improved efficiency to remove a broader spectrum of contained particles is disclosed. The cyclone separator is provided with a member positioned to interact with at least the inner portion of a fluid circulating within the cy... | 07/16/2002 |
| 6270544 | Cyclone separator having a tubular member with slit-like openings surrounding a central outlet pipe A cyclone separator for separating a solid particulate from the gas or liquid medium is described. The separator is provided with a housing (H), an outlet (4) for discharging the solid particulate separated from the medium, a pipe (13) for evacuating the ... | 08/07/2001 |
| 6251153 | Centrifugal air filter The present invention provides a centrifugal air filter suitable for extracting impurities suspended in air. The filter includes a front wall, a rear wall spaced from the front wall, and a perimeter wall joining the front and rear walls and forming a cavi... | 06/26/2001 |
| 6238451 | Vacuum cleaner A method for filtering a dirty air stream in a vacuum cleaner to obtain a clean air stream has subjecting the dirty air stream to a first cyclonic separation stage to obtain a partially cleaned air stream and subjecting the partially cleaned air stream to... | 05/29/2001 |
| 5775442 | Recovery of gas from drilling fluid returns in underbalanced drilling The drilling fluid returns from underbalanced drilling are introduced into a separator and a separate gas stream is recovered. The gas stream is cleaned at the well site to remove entrained liquid and particulate solids, to produce gas suitable to be fed ... | 07/07/1998 |
| 5601788 | Combined cycle power plant with circulating fluidized bed reactor The present invention relates to a combined cycle power plant comprising a air compressor providing pressurized air at pressure greater than 2 bar; a gas turbine means for driving the gas compressor means; a pressure vessel, circular in cross-section, con... | 02/11/1997 |
| 5536287 | Particulate collector assembly The particulate collector assembly 10 removes solid particulates from a gas stream. The assembly 10 includes an outer housing 12, an intermediate housing 40, and interior housing 54 to form therebetween a clean gas chamber 14, a particulate-laden gas cham... | 07/16/1996 |
| 5460788 | Centrifugal separator in pressure vessel A pressurized fluidized bed reactor is provided utilizing a centrifugal separator having a gas space that is distinctly non-circular, preferably having a circularity of greater than or equal to 1.15. Most desirably the cyclone has a quadrate (e.g. square)... | 10/24/1995 |
| 5405420 | Flue gas treatment apparatus and flue gas treatment system This invention relates to a flue gas treatment apparatus for treating flue gas in which a contaminant in the form of fine solid particles and a gaseous air pollutant are mixed. In the flue gas treatment apparatus, a gas suction portion (29a) for drawing f... | 04/11/1995 |
| 5320653 | Air precleaning apparatus A vortex air precleaner having snap-fit, self-sealing vortex tubes. Each vortex tube includes a flexible lip projecting laterally outward from the tube and spaced from an end of the tube. An annular shoulder is located between the lip and the tube end and... | 06/14/1994 |
| 5286281 | Solids-gas separation apparatus and method Apparatus for separating particulate solids from a process gas stream which includes one or more primary separation chambers, preferably ballistic separation chambers, for removing a major portion of the solids entrained in the gas stream. One or more sec... | 02/15/1994 |