The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| D659581 | Ring | 05/15/2012 |
| 8171707 | Corn stalk rollers Corn stalk rollers, comprising a plurality of roller assemblies pivotally mounted to and spanning the corn head of a corn harvest combine; an apparatus to bias the plurality of roller assemblies into contact with the ground while the corn harvest combine is harvesti... | 05/08/2012 |
| D659045 | Ring | 05/08/2012 |
| D659028 | Watch case | 05/08/2012 |
| 8170867 | System for extracting information from a natural language text In the method of extraction, the words of the text are encoded by comparing them with the contents of a lexicon of tool words (essentially articles, prepositions, conjunctions, and verbal auxiliaries), and nominal groups are then identified by searching subsets of t... | 05/01/2012 |
| D658079 | Watch case | 04/24/2012 |
| D656414 | Assembled watch casing body and watch case | 03/27/2012 |
| D656053 | Jewellery | 03/20/2012 |
| D656052 | Watch dial | 03/20/2012 |
| D656044 | Watch case | 03/20/2012 |
| 8133464 | Hydrogen production from formic acid The present invention relates to a method of producing hydrogen gas and carbon dioxide in a catalytic reaction from formic acid, said reaction being conducted in an aqueous solution over a wide temperature range and already at room temperature (25° C.). The reactio... | 03/13/2012 |
| 8124718 | Aminoplast resin of high performance for lignocellulosic materials A process for preparing an aqueous aminoplastic urea-formaldehyde resin suitable for use in bonding lignocellulosic materials, which provides products of very low formaldehyde emission while maintaining superior performance. ... | 02/28/2012 |
| 8117964 | Process and apparatus for providing identity marks on security documents An intaglio-printing press for printing security documents comprising a plate cylinder (4) with at least one engraved printing plate (6), an impression cylinder (3), a wiping device (10) and an inking system, (5, 7a-8... | 02/21/2012 |
| 8115997 | Projection screen A projection screen includes: a lenticular layer including rear and front surfaces, the front surface being formed with a plurality of convex microstructures; a reflecting layer formed on the front surface of the lenticular layer and having a plurality of convex sur... | 02/14/2012 |
| 8114318 | Ionic liquid electrolyte The present invention relates to electrolytes comprising tetracyanoborate and an organic cation as components of electrolytes in electrochemical and/or optoelectronic devices, in particular solar cells. This ionic liquid has low viscosity and can be used as electrol... | 02/14/2012 |
| 8105865 | Liquid charge transporting material The present invention relates to optoelectronic and/or electrochemical devices comprising an organic charge transporting material which is liquid at a temperature of ≦180° C. In particular in dye-sensitised solar cells, quantum efficiency higher than with prior a... | 01/31/2012 |
| D652859 | Spectacle glasses | 01/24/2012 |
| D652326 | Watch case | 01/17/2012 |
| D651928 | Watch dial | 01/10/2012 |
| D650991 | Part of handbag | 12/27/2011 |
| D649890 | Watch case | 12/06/2011 |
| D649079 | Surface ornamentation for watches and watch dials | 11/22/2011 |
| D649070 | Watch with bracelet | 11/22/2011 |
| D647136 | Pen with support | 10/18/2011 |
| D645361 | Watch case | 09/20/2011 |
| 8006970 | Processing of stacks of sheets of securities into bundles and packs of bundles There is described a method for processing stacks (1) of sheets of securities, especially banknotes, into bundles (3) and bundle packs (4), said sheets each having an array of security prints printed thereon which array comprises M columns and N... | 08/30/2011 |
| D643315 | Watch | 08/16/2011 |
| D643314 | Watch | 08/16/2011 |
| 7975906 | Numbering process for securities, method for processing the numbered securities and numbering device to carry out the numbering process There is described a process for numbering substrates having security prints printed thereon, each of the substrates comprising a plurality of security prints which are arranged in k columns and n rows on the substrate, wherein product k*n is an integer multiple of ... | 07/12/2011 |
| D640949 | Pendant | 07/05/2011 |
| 7969140 | Magnetic field sensor and electrical current sensor therewith A magnetic field sensor comprises a magnetic field sensing cell and a magnetic shield comprising at least two parts separated by an air-gap and surrounding the magnetic field sensing cell positioned in a cavity of the magnetic shield. ... | 06/28/2011 |
| 7967043 | Method and apparatus for cutting veneer sheets from a flitch A method and apparatus for retaining a flitch on a staylog or slicer for slicing veneer from the flitch, the staylog or slicer having a plurality of expandable wedge-clamp dogs, the method comprising the steps of providing a flitch having a plurality of dados for re... | 06/28/2011 |
| D637920 | Watch case | 05/17/2011 |
| 7939655 | Process for preparing a sterile high molecular weight hyaluronic acid formulation A process for preparing a sterile ready-to-use aqueous pharmaceutical formulation comprises a high molecular weight hyaluronic acid salt (HA) at a specified concentration, comprising the steps of: providing an aqueous formulation comprising high molecular weight HA ... | 05/10/2011 |
| D637518 | Buckle | 05/10/2011 |
| 7932404 | 2,2-bipyridine ligand, sensitizing dye and dye sensitized solar cell A dye sensitized solar cell, comprising a-heteroleptic polypyridil complex of Ru, Os or Fe. The donating ligand has an extended conjugated n-system increasing the light absorbance and keeing the LUMO energy level higher than that of the anchoring ligand. A compactin... | 04/26/2011 |
| D636175 | Key ring | 04/19/2011 |
| 7899572 | Method and device for measuring the geometry of a cutting edge to be chamfered The machining of drills (1) includes an operation for chamfering the cutting edges (8) performed in two steps. In the first step the rotating grindstone (15) is directed to various locations of the cutting edge (8) and the point of contac... | 03/01/2011 |
| D633553 | Eyeglasses | 03/01/2011 |
| 7834173 | Esters of hyaluronic acid with rhein, process for their preparation and compositions comprising the same The present invention relates to esters of hyaluronic acid with rhein, more particularly to a compound based on hyaluronic acid, wherein alcohol groups of hyaluronic acid are esterified with rhein, to a process for preparing said ester and to a pharmaceutical compos... | 11/16/2010 |