| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 148277000 | Metal oxide formed after applied coating | 6 |
| 20090199931 | Method for Melt Immersion Coating of a Flat Steel Product Made of High Strength Steel - A method for coating a flat steel product manufactured from a high strength steel with a metallic coating, wherein the flat steel product is initially subjected to a heat treatment, in order then, in the heated state, to be hot-dip galvanized with the metallic coating in a melting bath containing overall at least 85% zinc and/or aluminum. The heat treatment includes heating the steel product in a reducing atmosphere, followed by converting a surface of the flat product to an iron oxide layer by a heat treatment lasting 1 to 10 secs in an oxidizing atmosphere, followed by annealing in a reducing atmosphere over a period of time which is longer than the duration of the formation of the iron oxide layer such that the iron oxide layer is reduced at least on its surface to pure iron, followed by cooling the product to a melting bath temperature. | 08-13-2009 |
| 20120175024 | In-situ oxidized thermally applied ceramic coating - Rendering a refractory coating on a metal substrate impenetrable by molten metal. | 07-12-2012 |
| 20120247621 | CASTING PROCESS, MATERIALS AND APPARATUS, AND CASTINGS PRODUCED THEREWITH - A casting process for producing metal alloy castings, facecoats and apparatuses suitable for carrying out the process, and castings produced by the process. The casting process entails the use of a mold having a cavity with a continuous aluminum-containing solid facecoat on its surface. A molten quantity of a metal alloy is introduced into the mold cavity so that the molten alloy contacts the solid facecoat. The mold is then allowed to cool to solidify the molten alloy and form a cast product. During the casting process, aluminum in the solid facecoat diffuses into the cast product to form an aluminum-containing surface region at the casting surface. Following removal of the cast product from the mold, an alumina-containing scale grows on the casting surface as a result of oxidation of the casting surface region. | 10-04-2012 |
| 20130025745 | Mask-Less Selective Plating of Leadframes - A method for selectively plating a leadframe ( | 01-31-2013 |
| 20130068350 | METHOD AND APPARATUS FOR HEATING A PRE-COATED PLATE OF STEEL - A pre-coated plate of steel is heated in a furnace to form an intermetallic alloying layer on the plate at least in an area thereof. Air is pretreated through drying to produce dried air which is fed into the furnace to control the atmosphere within the furnace while the pre-coated plate is in the furnace. | 03-21-2013 |
| 20150368781 | METHOD OF COATING AN IRON-BASED ARTICLE - A method of coating an iron-based article includes a first heating step of heating a substrate that includes an iron-based material in the presence of an aluminum source material and halide diffusion activator. The heating is conducted in a substantially non-oxidizing environment, to cause the formation of an aluminum-rich layer in the iron-based material. In a second heating step, the substrate that has the aluminum-rich layer is heated in an oxidizing environment to oxidize the aluminum in the aluminum-rich layer. | 12-24-2015 |
