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| Number | Title | Issue Date |
| 8177552 | Elastic bands for orthodontic use An orthodontic band is provided made from an elastomeric material wherein the band has a shape which simulates the profile of an object with an open area within the band. In its unstretched condition the outer perimeter of the band is of a shape which is not a smoot... | 05/15/2012 |
| 8134150 | Hydrazine-free solution deposition of chalcogenide films A method of depositing a film of a metal chalcogenide including the steps of: contacting an isolated hydrazinium-based precursor of a metal chalcogenide and a solvent having therein a solubilizing additive to form a solution of a complex thereof; applying the soluti... | 03/13/2012 |
| 8035017 | Method of manufacturing pick for stringed instrument A pick for a string instrument is manufactured by the use of a hot stamp press. A pick blank is mounted on a support surface of the press with a front side of the pick blank disposed upwardly. A heated die head is moved against the front side of the pick blank and m... | 10/11/2011 |
| 8017823 | Process for the manufacture of acetylene by partial oxidation of hydrocarbons A process is proposed for continuously operating a plant for preparing acetylene from hydrocarbons by partial oxidation, cleavage in an arc or pyrolysis of hydrocarbons to obtain a reaction gas mixture which is conducted through one or more compressors, the pressure... | 09/13/2011 |
| D641226 | Two stage manual knife sharpener | 07/12/2011 |
| D641225 | Three stage manual knife sharpener | 07/12/2011 |
| 7964256 | Housing shell for an electronic device A casing for an electronic device is produced from a heat-resistant, flame-retardant thermoplastic by an injection-molding process. This thermoplastic is a polyimide-based plastic with halogen-free flame retardancy. ... | 06/21/2011 |
| 7948881 | Distributed bandwidth allocation for resilient packet ring networks Methods and apparatus provide for allocating bandwidth in a resilient packet ring (RPR), including: determining a relationship between an arrival rate A(n) as a function of a fairness rate Fk(n) of a kth node of the RPR over time; computing an estimate of... | 05/24/2011 |
| 7861717 | Controlled gas-supply system The invention relates to a gas-supply system for patients receiving artificial respiration or breathing spontaneously, in which one or several gases (for example NO, oxygen) are added to the respiration gas at varying proportions (continuously or intermittently) by ... | 01/04/2011 |
| D629273 | Manual knife sharpener | 12/21/2010 |
| 7833509 | Method and device for the continuous production of hydrogen sulfide The invention relates to a process and to an apparatus for preparing hydrogen sulfide H2S by converting a reactant mixture which comprises gaseous sulfur and hydrogen over a solid catalyst. The reactant mixture is converted at a pressure of from 0.5 to 10... | 11/16/2010 |
| 7816864 | Double-shielded electroluminescent panel A double-shielded electroluminescent panel includes an electroluminescent device, an upper electrical shield and a lower electrical shield. The upper electrical shield is a transparent conductive material, and is overlaid on the illuminating surface of the electrolu... | 10/19/2010 |
| 7816551 | Method for producing dinitriles An adiponitrile/methylglutaronitrile preparation process includes distilling a reaction stream to obtain stream 3 depleted in pentenenitriles (bottom product) and stream 4 enriched in pentenenitriles (top product); extracting stream 3 obtaining ... | 10/19/2010 |
| 7807006 | Process for manufacturing a multilayer plastic fuel tank Multilayer plastic fuel tank, comprising a sulphonated part closing off an opening in the wall of the tank. The sulphonated part was manufactured independently of the tank. Process for manufacturing a tank comprising such a sulphonated part by molding a tank wall by... | 10/05/2010 |
| 7804948 | System and method for initiating a conference call The present invention is a system and method for initiating conference calls via an instant messaging system to reduce the effort required to initiate and manage the call. The system uses an IM connection between a requesting party and a conference call server to in... | 09/28/2010 |
| 7782588 | Series surge suppression structure A series surge suppression structure mainly comprises: a circuit board, a ground line and a plurality of galvanization circuits being disposed thereon, a multilayer surge absorption unit being disposed in series on the ground line and the plurality of galvanization ... | 08/24/2010 |
| 7781608 | Production of 3-pentenenitrile from 1,3-butadiene A process is described for preparing 3-pentenenitrile by hydrocyanating 1,3-butadiene, wherein 1,3-butadiene is reacted with hydrogen cyanide in the presence of at least one catalyst and the stream resulting therefrom is purified distillatively, the bottom temperatu... | 08/24/2010 |
| 7767865 | Method for producing hydroxypivalaldehyde and neopentyl glycol The preparation of hydroxypivalaldehyde is effected by aldolizing isobutyraldehyde with formaldehyde and subsequently working up the resulting reaction effluent by distillation, wherein the reaction effluent is fed to a distillation column which is operated at a top... | 08/03/2010 |
| 7762979 | Longitudinal-torsional ultrasonic tissue dissection An ultrasonic tissue dissection system providing combined longitudinal and torsional motion of tips, together with irrigation and aspiration, for improved cutting of resistant biological tissue. The system permits the use of common and inexpensive electro-mechanical... | 07/27/2010 |
| D620332 | Cross-grind sharpener | 07/27/2010 |
| 7745759 | Apparatus for brewing beverages An electrically heated water kettle comprises a vessel for holding a liquid for extraction of tea, coffee or other food material. The vessel includes a partially open immersible container sized to allow the passage of water between the walls of the vessel. The conta... | 06/29/2010 |
| 7731914 | Ozone infection control device An infection control device includes a plurality of air inlets spaced around the device's peripheral skirt. A negative ion ozone generator having a plurality of spaced pointed projections is inwardly of the peripheral skirt with a ground disk inwardly of the generat... | 06/08/2010 |
| 7707749 | Modular snow travel system for common footwear A modular snow travel system for common footwear includes a first traction component which may be an overboot. The first traction component includes at least one traction cleat having latch, such as an exposed hook portion, for engagement with a snowdeck. The engage... | 05/04/2010 |
| D610640 | Golf tee | 02/23/2010 |
| 7647725 | Ozone treatment of mushroom house Ozone is applied to the interior of a mushroom house through use of an ozone generator which preferably communicates with an air conditioner so that the ozone flows from the ozone generator through the air conditioner and into the mushroom house. The ozone is applie... | 01/19/2010 |
| 7644988 | Child's highchair with access attachment A highchair assembly includes a seat supported by a plurality of legs with an upstanding back wall and opposite first and second side walls. An access device is mounted to one of the side walls. The access device has an upper end located generally at the one side wa... | 01/12/2010 |
| 7644499 | Protective sleeve cover for printing roll A protective sleeve cover is described for protecting anilox, gravure, or other costly rolls. The protective sleeve cover is cylindrical in geometry and has a means at one end for securing the cover to the roll being protected. The protective sleeve cover is readily... | 01/12/2010 |
| 7619098 | Method for producing phthalic anhydride that conforms to specifications Process for the preparation of on-spec phthalic anhydride by the distillative purification of crude phthalic anhydride at reduced pressure, where the crude phthalic anhydride is passed to the distillation column above a side take-off, the low-boiling components are ... | 11/17/2009 |
| 7617848 | Method and device for filling a container with liquid gas from a storage tank A method and device for filling a container with liquid gas from a storage tank includes removing the liquefied gas from the storage tank and feeding it to a container via a liquid feed line through use of a delivery system. The gas is compressed in the container an... | 11/17/2009 |
| 7607948 | Choke signal-adjusting device A choke signal-adjusting device, and more particularly, a signal-adjusting device capable of increasing the high-frequency signal transmission quality, comprises a circuit board disposed in a connector, a plurality of transmission circuits being disposed on the circ... | 10/27/2009 |
| 7582011 | Multiple player participation game A multiple player participation game utilizes a multi-sided tray which comprises a pit surrounded by a multi-sided frame. The upper edge of each side of the frame has a set of pockets corresponding to a set of dice for each player. A multi-sided challenge cube is us... | 09/01/2009 |
| 7547378 | Method for the purification of dimethylacetamide (DMAc) The invention relates to a process for distillatively purifying crude dimethylacetamide (crude DMAc) comprising DMAc, low boilers and high boilers 5 by removing the low boilers and the high boilers to obtain pure DMAc in one of the column configurations liste... | 06/16/2009 |
| 7541486 | Method for producing 3-pentenenitrile A process is described for preparing 3-pentenenitrile, characterized by the following process steps: (a) reacting 1,3-butadiene with hydrogen cyanide over at least one catalyst to obtain a stream 1 which comprises 3-pentenenitrile, 2-methyl-3-but... | 06/02/2009 |
| 7521035 | Method for regenerating a residual substance that contains sulfur and an atomizing burner suited for carrying out said method A method for the regeneration of residues containing sulphur is characterized in that a droplet stream containing fuel is introduced into the reactor simultaneously with the droplet stream containing the residue and is fed into a pre-reaction zone that is created by... | 04/21/2009 |
| 7517275 | Apparatus for precision steeling/conditioning of knife edges A multi-stage sharpener includes at least one motor driven abrasive sharpening stage and one non-motor driven conditioning stage. The conditioning stage has a non-abrasive hardened surface and at least one precision knife guide which has a planar guide surface for c... | 04/14/2009 |
| 7516864 | Built-up container A built-up container includes a base, a front and rear side plates, a right and left side plates and a lifted upper cover. The base provides threaded holes and the side plates provide through holes and threaded holes so that the container can be built up with bolts ... | 04/14/2009 |
| 7510879 | Detection procedures for fibrinogen and/or fibrinogen derivatives Described are determination procedures for fibrinogen and/or fibrinogen-derivatives by matrix-independent turbidimetry. In the FIFTA called procedure the fibrinogen activity is preferably determined in an undiluted sample by addition of thrombin and/or albumin, as w... | 03/31/2009 |
| 7494403 | Knife sharpener with improved knife guides Various forms of knife guides are provided for knife sharpeners to minimize damage to the knife blade. The knife guides include the provision of flexible fibers on the guide surface and further include rings, such as O-rings on an array of rollers when the rollers a... | 02/24/2009 |
| 7488241 | Precision control of sharpening angles A modified truncated cone-shaped disk is molded onto a plastic hub which is mounted on a motor driven shaft. The hub has an axial bore of a size to fit with very close clearance on the shaft while still permitting the disk to freely slide against a low spring force.... | 02/10/2009 |
| 7458128 | Cleaning attachment for converting a cleaning implement to a mop Various forms of cleaning attachments are described for converting a cleaning implement to a mop. In one form the attachment is a combination wipe and attachment wherein at least a portion of the attachment is made of an absorbent material so that the attachment its... | 12/02/2008 |
