Kroker
Henry Kroker, Western Australia AU
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20100281952 | DIFFERENTIAL COMPARATIVE PRESSURE MONITORING SYSTEM - A differential comparative pressure monitoring system ( | 11-11-2010 |
Henry Kroker, Wester Australia AU
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20100283621 | COMPARATIVE PRESSURE MONITORING INSTRUMENT - A comparative pressure monitoring instrument ( | 11-11-2010 |
Joerg Kroker, Powell, OH US
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20140124157 | COMPOSITIONS PREPARED FROM AN ALDEHYDE AND A FURFURYL ALCOHOL AND THEIR USE - A furfuryl alcohol derivative having the general formula X[—CH(OR) | 05-08-2014 |
20140190648 | METHOD FOR CURING COLD-BOX FOUNDRY SHAPE WITH GASEOUS CATALYST - A “cold box” process for forming a foundry shape by curing a binder in a foundry mix operates by sequentially introducing a first vaporous curing catalyst to a pattern containing the formed foundry mix, followed by introducing at least a second vaporous curing catalyst. By arranging the amounts of the respective vaporous curing catalysts and the contact times, as well as by using the less active vaporous curing catalyst first, the total amount of curing catalyst used to effect the cure is reduced. Carrier gas may be used with the respective vaporous curing catalysts. Typically, the vaporous curing catalysts are tertiary amines having between three and six carbon atoms. | 07-10-2014 |
Jorg Kroker, Powell, OH US
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20090199991 | Compositions containing certain metallocenes and their uses - Compositions comprising (1) a refractory and/or a binder, and (2) bis-cyclopentadienyl iron cyclopentadienyl manganese tricarbonyl, derivatives thereof, and mixtures thereof. | 08-13-2009 |
20100252226 | ALKALINE PHENOLIC RESOLE RESIN COMPOSITIONS AND THEIR USE - An alkaline phenolic resole resin compositions comprising (a) an aqueous basic solution of a phenolic resole resin, (b) and a polyhydric alcohol, and their use in foundry applications. | 10-07-2010 |
20110056643 | PROCESS FOR PREPARING A TEST CASTING AND TEST CASTING PREPARED BY THE PROCESS - A process for preparing a test casting useful for predicting the severity of skin that will form on a casting made of compacted graphite iron or ductile iron and the test casting prepared by the process. | 03-10-2011 |
20150114589 | "NO-BAKE" FOUNDRY MIX WITH EXTENDED WORK TIME - A “no-bake” process allows the forming of larger metal castings, by providing longer work times, in the range of about 45 to about 60 minutes. This is achieved using a liquid curing catalyst that is a pyridine, substituted at the second or third position with a moiety having a molecular weight in the range of about 30 to about 100 mwu. Examples of the liquid curing catalyst include 2-ethanolpyridine, 3-chloropyridine and 2-methoxypyridine. When combined with a two-part polyurethane binder precursor and a foundry aggregate, the liquid curing catalyst provides not only the longer work time, but also a strip time that is less than about 167% of the work time, as measured from the point of activating the polyurethane precursors by mixing them in the presence of the curing catalyst. | 04-30-2015 |
Jörg Kroker, Powell, OH US
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20110129387 | FOUNDRY BINDER COMPRISING ONE OR MORE CYCLOALKANES AS A SOLVENT - A foundry binder comprising (a) a polyol component selected from the group consisting of phenolic resins, polyether polyols, polyester polyols, aminopolyols, and mixtures thereof, and (b) a polyisocyanate component, wherein component (a) and/or (b) further comprise, as a solvent, one or more cycloalkanes. | 06-02-2011 |
Lars Kroker, Hamburg DE
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20120262502 | AUTOSTEREOSCOPIC DISPLAY - An autostereoscopic display includes a background illumination with a multiplicity of parallel light strip groups with in each case at least two parallel light strips, wherein the individual light strip groups are arranged next to one another with a first grid dimension, and a lens grid arranged before the background illumination and has a multiplicity of parallel lens strips, wherein the lens strips are arranged next to one another with a second grid dimension, as well as a light modulator arranged before the lens grid and displays image information. | 10-18-2012 |
Thorsten Kroker, Braunschweig DE
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20150198674 | METHOD AND APPARATUS FOR DETERMINING THE STATE OF BATTERIES - The present invention relates to a method and a suitable apparatus for determining the state of a rechargeable battery and for checking contact resistances in a battery system. According to the invention, an impedance curve is determined using signals at different frequencies and a value for an area, which results from the impedance curve, is then calculated from a predetermined threshold value and an x axis. The value for the area is a measure of the ageing of the battery. A control signal is generated on the basis thereof. In one preferred embodiment, said control signal is used to drive a signaling apparatus and thus to present the state of the battery to a user. The present invention can be used, for example, in motor vehicles that are electrically driven. | 07-16-2015 |