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| Number | Title | Issue Date |
| 6896711 | Grill assembly for a cyclone-type dust collecting apparatus for a vacuum cleaner A grill assembly for a cyclone-type dust collecting apparatus has a grill member having a grill supporting portion supported on the air outlet, a conical grill and a cylindrical grill portion, preferably integrally formed with each other. The dust blocking member ha... | 05/24/2005 |
| 6315960 | Apparatus for treating pyrophoric gases and toxic global warming gases A mixing chamber receives pyrophoric gas for mixing with oxygen prior to discharge into an upright housing of the apparatus. Tubular members within the housing define annular passageways through which the mixed gas and oxygen flow in a serpentine manner w... | 11/13/2001 |
| 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 |
| 6093227 | Air filter with labyrinth air flow pattern through an air filter insert An air filter apparatus includes a filter body mountable in a support surface. A filter insert is mounted in a bore extending from one end of the body. A labyrinth air flow path is formed between a portion of the exterior surface of the filter body and an... | 07/25/2000 |
| 6066239 | Water distiller with improved solids-removing baffle device A new baffle device for a distiller has a tubular body and a baffle member fixed with respect to such body. The baffle member has a plurality of apertures for stripping dissolved solids from steam passing through the member. The distiller raw water vessel... | 05/23/2000 |
| 6030585 | Apparatus for oxidizing and removing matter from a hazardous gas flow An apparatus includes a housing into which a hazardous gas is introduced. A sleeve in the housing includes a perforate segment into which the gas is discharged along with flows of oxygen delivered from sleeve mounted nozzles. Particles forming in a sleeve... | 02/29/2000 |
| 6030584 | Hazardous gas precipitator An apparatus defines a chamber into which hazardous gas is discharged. Disposed about the hazardous gas discharge flow are nozzles from which oxygen flows for mixing with the hazardous gas. A structure within the chamber receives the hazardous gas and oxy... | 02/29/2000 |
| 5795358 | Removeable deflector boot for a wet/dry vacuum cleaner A wet/dry vacuum cleaner in one commonly available configuration includes a canister having an interior region defining a chamber, a motor mounted on the canister, a filter mounted on the canister and disposed within the chamber, and an inlet fitting atta... | 08/18/1998 |
| 5746790 | Trap for collecting solid A trap for collecting solid is connected to either an exhaust port or a suction port of a vacuum pump for trapping a solid material separated from a sublimed gas discharged by the vacuum pump. The trap includes a casing, a passage defining member disposed... | 05/05/1998 |
| 5718219 | Kitchen exhaust hood assembly The exhaust hood assembly has a vertically disposed greast extractor which leads into a suction ventilator adapted for expelling air and odor to the outside. The assembly has a first deflector at the entrance into the grease extractor to cause a first swi... | 02/17/1998 |
| 5662722 | Air and gas mixing apparatus with removable baffle plates A housing receives ambient air through an inlet located so as to direct the airflow against blades of a rotor which disperses the airflow. A gas inlet conduit discharges hazardous gas into a chamber of the housing. The dispersed airflow acts on the hazard... | 09/02/1997 |
| 5540214 | Exhaust hood Along the path of the cooking fumes of an exhaust hood where the fumes move with swirling motion, forwardly adjustable blades are disposed between a retracted and an extended position to accentuate or decrease the intensity of the swirling path end of the... | 07/30/1996 |
| 5271753 | Steam drying apparatus A liquid-vapor separating drum has a screen dryer mounted in the upper portion between the primary separators and the vapor outlet. The screen dryer is constructed and mounted in such a way that only minimal access is required in the space above the scree... | 12/21/1993 |
| 5160356 | Vacuum cleaning apparatus A cleaning apparatus including cyclones (11, 52, 81, 107) connected to a uniquely configured receiving chamber (12, 53, 99, 112) is described. The chamber has a diameter furthest from the cone opening (32, 75, 98, 118) at least 3 times the diameter of the... | 11/03/1992 |
| 4955990 | Disposable baffle system and method A spray booth is provided with inexpensive, disposable pre-baffles which collect overspray thereon prior to the overspray reaching the filtering stages. The preferred disposable pre-baffles are made of paperboard and after being coated with overspray for ... | 09/11/1990 |
| 4902317 | Purifying apparatus for gaseous fluids An apparatus for purifying gaseous fluids is suggested, comprising a body surrounded by separator areas (18, 20) through which the fluids are flowing. The separator areas (18, 20) here are composed of interlacing profile sections, causing an acceleration ... | 02/20/1990 |
| 4877430 | 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... | 10/31/1989 |
| 4853011 | Vacuum cleaning apparatus A cleaning apparatus including inner cyclone (11) connected to a uniquely configures receiving chamber (12, 53, 99, 112) is described. An outer container (10) is outwardly tapered to facilitate dirt removal. The chamber has a diameter furthest from the co... | 08/01/1989 |
| 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 |
| 4710209 | Moisture trap for fluid suction equipment, in particular as employed in dentistry A moisture trap is disclosed of the type, used in fluid suction equipment for dentistry in particular, which comprises a negative pressure intake (1) consisting of a venturi (2) that draws in fluid and delivers it into a vertical separation chamber (3) ha... | 12/01/1987 |
| 4699639 | Air-intake, moisture-eliminator duct apparatus The present invention is directed to a unitary member formed to fit in the engine compartment of a vehicle and to function to both direct ram air toward the air cleaner and to eliminate moisture from that air. The unitary member includes an intemediate po... | 10/13/1987 |
| 4690701 | Reusable grease filter A reusable grease filter for installation in an exhaust system for restaurant cooking equipment and the like comprising a frame adapted to be fixedly mounted in an exhaust system opening; louvers positionable within the frame having a plurality of discont... | 09/01/1987 |
| 4673425 | Disposable liner for paint booth grating An inexpensive, disposable liner is shaped and dimensioned to conform to the hole spacings of a grid-like grating used as the floor of a paint spray booth. The liner shields the grating surfaces from airborne or spilled paint, while having holes to permit... | 06/16/1987 |
| 4531453 | Atmosphere control arrangement for an operator enclosure An atmosphere control system for the cab of a self-propelled combine has its principal components arranged for series flow and mounted compactly on a rear portion of the floor of the cab. A pressurizing blower injects fresh air into an upstream filter cha... | 07/30/1985 |
| 4467494 | Industrial vacuum cleaner An industrial vacuum cleaner for collecting fibers collecting lint and the like and using said fibers as a filtration medium for air being exhausted from the cleaning system. The apparatus includes a positive displacement pump which draws the lint-laden a... | 08/28/1984 |
| 4420314 | Gas-solids separator An apparatus for removing particulate matter from gases includes an outer tube having an apertured bottom member, a plurality of stationary vanes for guiding gases into a vortical path through the outer tube, and an inner tube. The inner tube has a smalle... | 12/13/1983 |
| 4376434 | Cooking griddle ventilator A downwardly and forwardly open shroud for a cooking station converges rearwardly and upwardly toward an outlet duct. A throat region of the shroud is provided with a removable panel having a slotted baffle. A gutter and sump are provided for catching con... | 03/15/1983 |
| 4354863 | False ceiling A false ceiling for use in removing and/or dissipating contaminants in a room including a plurality of ceiling elements, each of which has an arcuate configuration, the concave surface of which is directed downwardly, and the convex surface of which is di... | 10/19/1982 |
| 4317662 | Oil separator device An oil separator device for use in a crankcase ventilation system of an internal combustion engine. The device comprises a cannister having an internal baffle member and partition means defining therewith an oil laden fume inlet chamber, an oil separating... | 03/02/1982 |
| 4178160 | Humidifier duct system A duct system for distributing humidified air from a humidifier has a duct and an eliminator sheet assembly mounted at an outlet of the duct. The eliminator sheet assembly includes eliminator sheets movably mounted in the outlet of the duct, and means for... | 12/11/1979 |
| 4159196 | Apparatus for the wet purification of gases Apparatus for the wet purification of gases, in which a wash liquid is sprayed into a gas to be purified and the gas is then forced or drawn through a separating wall having passage slots. The gas flow is divided up by pairs of such slots into pairs of su... | 06/26/1979 |
| 4150960 | Moveable top seal for an eliminator sheet core An eliminator core having a hinged member for sealing the top edges of a plurality of eliminator sheets formed in a bundle. More particularly the core having a cam for displacing the hinged member.... | 04/24/1979 |
| 4145195 | Adjustable device for removing pollutants from gases and vapors evolved during coke quenching operations The device is positioned in a stack arranged above a location where coke quenching is performed. The coke quenching, which takes place below the stack, evolves steam and gases containing solid coke particles or dust, and which must be prevented from passi... | 03/20/1979 |
| 4113454 | Coating filter, separator and collector system A method of and apparatus for collecting overspray materials from an article coating station wherein a velocity differential in the air stream of the duct system employed selectively transports and effects removal of solids from the overspray materials. A... | 09/12/1978 |
| 4103676 | Grease extraction cartridge for kitchen exhaust ventilator A grease extraction cartridge for a kitchen exhaust ventilator is removably disposed along a flow path through the ventilator for normally forming a fire wall, while being readily removable from the ventilator to permit access to the interior of the venti... | 08/01/1978 |
| 4071019 | Grease extractor A grease extractor apparatus having a housing, a hood, a first chamber connecting with air and grease vapors entrained by said hood, a cold water spray nozzle system and a hot water wash system associated with said chamber, a sump at the bottom of said ch... | 01/31/1978 |
| 4045193 | Cooling tower design The invention provides for easy, efficient repair and maintenance of cooling towers by a design in which the internal elements such as liquid distribution pipes, demister, grating and the like are structurally unified with a supporting means so that they ... | 08/30/1977 |
| 4002441 | Wash section for air-cleaning device In an air cleaning device including a wash section wherein the wash section comprises a housing having front, rear and lateral side walls to define a passageway. Within the passageway and secured to opposite facing walls thereof is a pair of removably, ad... | 01/11/1977 |
