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| Number | Title | Issue Date |
| 7325269 | Scraper blade interlocking attachment apparatus and method Attachment apparatus and method for interlocking attachment of a scraper blade with a drive shaft of a scraped surface heat exchanger includes a blade having dual attachment beams and a central locking member, and at least one pin having dual fingers each for interl... | 02/05/2008 |
| 7314572 | Methods of and apparatus for low-angle-tray settling with multi-zone configuration Settleable-particles are separated from a dirty flow of settleable-particles and fluid by trays having a planar section configured with opposed ends and opposed sides, and an entrance edge and an exit edge on opposed ends. The section has opposed side edges, and an ... | 01/01/2008 |
| 7302999 | Scraper blade and method for scraped-surface heat exchanger A curved scraper blade for a scraped-surface heat exchanger pivots about an axis off the centerline of the blade. The profile of the blade is chosen to provide a low initial scrape angle and to change gradually if at all as the blade wears away in service. The off-c... | 12/04/2007 |
| 7303000 | Mounting system and method for scraped surface heat exchanger blades A blade for mounting to a scraped surface heat exchanger drive shaft by pivotal connection with a mounting pin has a blade body having a first side and a second side, and a scraper edge and a hinge edge. At least one mounting hole extends through the blade body gene... | 12/04/2007 |
| 7237944 | Scraped heat exchanger having blade with protective rest nub Attachment apparatus and method for interlocking attachment of a scraper blade with a drive shaft of a scraped surface heat exchanger includes a blade having dual attachment beams and a central locking member, and at least one pin having dual fingers each for interl... | 07/03/2007 |
| 7234197 | Unattended spot cleaning apparatus A spot cleaning apparatus comprises a fluid distribution system, a fluid recovery system, an agitation system, and a controller system to automatically monitor and control inputs and outputs to said systems for removal of spots and stains from a surface without atte... | 06/26/2007 |
| 7169312 | Methods of and apparatus for collecting sludge from the floor of a settler basin A system meets material collection needs by significantly increasing the flow rate through a header that collects sludge. Telescopic pipes stay in a line adjacent to the bottom of a basin and do not float upwardly into or against equipment in the basin. A bearing is... | 01/30/2007 |
| 7159724 | Apparatus for collecting sludge from the floor of a settler basin A system meets needs in sludge collection by significantly increasing the flow rate through a header that collects sludge without causing problems in priming. Telescopic pipes stay in a line adjacent to the bottom of a basin and do not float upwardly into or against... | 01/09/2007 |
| 7114552 | Split mutator shaft A method and apparatus for removing or inserting a mutator shaft from a scraped surface heat exchanger assembly comprising a split shaft design to form a plurality of mutator shaft segments. Each shaft segment contains ends further connectable with one another and m... | 10/03/2006 |
| 7105096 | Collection of sludge from the floor of a basin with multiple balanced-flow headers A method meets needs in material collection by significantly increasing the flow rate through headers that collect sludge without causing problems in priming. Telescopic pipes stay in a line adjacent to the bottom of a basin and do not float upwardly into or against... | 09/12/2006 |
| 7082952 | Well cleaning system A well-cleaning system (10) is provided with a control system (30) where waste liquid level sensors (35, 36) co-operate with timers (39, 40) to control the frequency and duration of the well-cleaning cycles. Chemicals can be injected into... | 08/01/2006 |
| 7039980 | Pool cleaner A push side pool cleaner (1) has a spheroidal overall shape, within this shape two outer segments (9, 10) serve as wheels and a central zone (8) carries a suction passage (33) and a debris collector (32) also located entirely withi... | 05/09/2006 |
| 7021472 | Collection of sludge from the floor of a basin with multiple balanced-flow headers A system meets needs in material collection by significantly increasing the flow rate through a header that collects sludge without causing problems in priming. Telescopic pipes stay in a line adjacent to the bottom of a basin and do not float upwardly into or again... | 04/04/2006 |
| 7021455 | Wet chip pick-up assembly A wet chip pick-up assembly includes a slotted rotary drum. A comb member is seated for movement in each of the drum slots. A friction drive assembly frictionally engages the drum causing the drum to rotate which, in turn, causes the comb members to rotate. ... | 04/04/2006 |
| 6966757 | Scraper blade attachment apparatus and method with split pin An attachment apparatus and method for interlocking attachment of a scraper blade with a drive shaft of a scraped surface heat exchanger includes a blade having dual attachment beams and a central locking member, and at least one pin having dual fingers each for int... | 11/22/2005 |
| 6951620 | Apparatus and methods for collecting sludge from the floor of a settler basin A system meets needs in material collection by significantly increasing the flow rate through a header that collects sludge without causing problems in priming. Telescopic pipes stay in a line adjacent to the bottom of a basin and do not float upwardly into or again... | 10/04/2005 |
| 6910326 | Cleaning device for the cleaning of a spin rotor and scraper element The invention concerns a cleaning apparatus for the cleaning of a spin rotor of a spinning station leaning head which can be insertably presented to the spin rotor and on which cleaning head are placed at least two scraper elements. In accord with the invention, the... | 06/28/2005 |
| 6775876 | Chamber cleaning mechanism An apparatus for cleaning a reaction chamber which has a chamber, a blade apparatus and a reciprocable rotating unit. The chamber has a wall with an interior surface. The blade apparatus has at least one annular mounting member and at least three scraping blades att... | 08/17/2004 |
| 6532900 | Cleaning device for cleaning pet excrement A cleaning device includes a conical tray formed with a central opening, a connecting member extending through the central opening and connected to the conical tray, and a cleaning unit mounted rotatably on the connecting member. The cleaning unit include... | 03/18/2003 |
| 6283069 | Drive system for a water lance blower A water lance blower for cleaning heating installations, wherein a water lance (6) is movably (5) arranged with its mouth on or in a hatch (2) and can blow a water jet through the heating installation, which is in operation and is flowed through with flam... | 09/04/2001 |
| 6182325 | Chamber cleaning mechanism An apparatus for cleaning a chamber is disclosed. Scraping blades are rotatably mounted within a chamber and parallel to a longitudinal axis of the chamber. The scraping blades are rotated circumferentially within the chamber, scraping the inner surface o... | 02/06/2001 |
| 6119299 | Apparatus for cleaning a conduit An apparatus and a method for cleaning a conduit that has unwanted chemical substances deposited on an interior wall of the conduit are provided. The apparatus utilizes a rack-and-pinion drive mechanism for moving a set of cleaning blades in a rotational ... | 09/19/2000 |
| 6035811 | Water lance blower positioning system A water lance blower for cleaning heating installations, wherein a water lance (6) is movably (5) arranged with its mouth on or in a hatch (2) and can blow a water jet through the heating installation, which is in operation and is flowed through with flam... | 03/14/2000 |
| 6023855 | Air-assisted wiping device The invention provides an air-assisted wiping device for use in a continuous-spray dryer. The air-assisted wiping device rotates inside the housing to continuously wipe heavy sticky powder from the walls of the housing using a wiper blade. The air-assiste... | 02/15/2000 |
| 6021543 | Single tank retrieval system A retrieval system including a single tank for placement in communication with an underground storage tank in which waste or sludge is stored, the tank having equipment for lowering a remote controlled sludge removal apparatus into the underground storage... | 02/08/2000 |
| 6022475 | Brush cleaning device An apparatus is provided for cleaning a water treatment tank. The apparatus includes a frame support having post mounted at a central extent of the upper surface of the water treatment tank and extending upwardly therefrom. A horizontally oriented arm has... | 02/08/2000 |
| 6016924 | Apparatus for cleaning water treatment tank surfaces An apparatus for cleaning algae and debris from the weir, baffle, spillway, and effluent trough surfaces of a sedimentation water treatment tank. A main frame is mounted on the revolving skimmer arm of the tank. A pair of weir cleaning brushes mounted at ... | 01/25/2000 |
| 6010576 | Apparatus and method for cleaning an exhaust gas reactor An apparatus and a method for cleaning a conduit that has unwanted chemical substances deposited on an interior wall of the conduit are provided. The apparatus utilizes a rack-and-pinion drive mechanism for moving a set of cleaning blades in a rotational ... | 01/04/2000 |
| 5983438 | Sputter load lock O-ring cleaner A cleaning apparatus and method for removing debris from the seals of a pressurized enclosure, specifically a sputter load lock chamber. The cleaning apparatus includes a load lock replacement door, a cleaning tool, and a seal. The load lock replacement d... | 11/16/1999 |
| 5914049 | Method and apparatus for helical flow in a header conduit A header conduit provides an elongated passageway through which waste liquid and sludge ("waste") are guided and enter the conduit along a path that is tangential to at least the inner surface of the conduit which such incoming waste first contacts. When ... | 06/22/1999 |
| 5806463 | Aquarium sweeper apparatus and system An apparatus and system for cleaning an aquarium viewing surface involving a sweeping mechanism that includes a cleaning surface (such as a cleaning belt) and a drive mechanism that causes the sweeping mechanism to traverse the viewing surface on a regula... | 09/15/1998 |
| 5720890 | Weir cleaning apparatus and method An apparatus for cleaning algae and debris from the inner and outer surfaces of a weir and the top surface and outer side wall of a spillway in a water treatment tank. A main frame is mounted on the revolving skimmer arm of the tank. A pair of brushes piv... | 02/24/1998 |
| 5659915 | Off gas film cooler cleaner An apparatus for cleaning depositions of particulate matter from the inside of tubular piping while the piping is in use. The apparatus is remote controlled in order to operate in hazardous environments. A housing containing brush and shaft assemblies is ... | 08/26/1997 |
| 5526989 | Method of operation of positive guidance system for a tank-cleaning device A guidance system and method for positively guiding a tank sludge-removal unit or the like around the inside of a tank, including a plurality of winch assemblies mounted at radially spaced locations on the top perimeter of the tank each having a control l... | 06/18/1996 |
| 5431027 | Flake ice-making apparatus A flake ice-making apparatus includes a cylindrical refrigerant evaporator having a cylindrical evaporator chamber surrounding a cylindrical ice-forming bore surface. A water-flow distributor for introducing water to be frozen against the ice-forming bore... | 07/11/1995 |
| 5279012 | Self-propelled steerable apparatus for removing material from surface of confined area Self-propelled steerable apparatus for removing material, such as sludge, from the bottom surface of a liquid storage tank for disposition elsewhere comprises a support platform and a reversely rotatable motor-driven auger mounted below the support platfo... | 01/18/1994 |
| 5179757 | Apparatus for descaling a process vessel Apparatus for removing deposits from the interior surface of a vessel wall including an elongated support column having its upper end attached to a cable to position the support column vertically within the vessel. A hammer assembly pivotally and rotatabl... | 01/19/1993 |
| 5109562 | Chemical vapor deposition system cleaner An apparatus for cleaning the interior surfaces of a vessel which includes a cleaning head supported and guided into the vessel by a rigid air shaft. The cleaning head is supplied with a process fluid and directs and removes the process fluid from a clean... | 05/05/1992 |
| 5098580 | Method and system for receiving and handling polluted liquids, especially stratified oil products in petrol and oil tanks A method and system for handling polluted liquids with a mobile sewage vehicle, especially stratified oil products in a petrol or oil tank wherein the contents of the tank normally separates into horizontal layers of useless polluted liquid and fully usea... | 03/24/1992 |
| 5065781 | Storage tank cleanout apparatus An apparatus for removing denser materials from the bottom of an oil storage tank provides an extended bottom hose with multiple openings which lies on the bottom of the tank. The bottom hose is attached to a riser through which liquid is removed from the... | 11/19/1991 |
