...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 7807098 | Advanced erosion-corrosion resistant boride cermets The invention is related to a method for protecting a metal surface subject to erosion temperatures up to 850° C. The method comprises providing the metal surface with a cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and bin... | 10/05/2010 |
| 7731776 | Bimodal and multimodal dense boride cermets with superior erosion performance Multimodal cermet compositions comprising a multimodal grit distribution of the ceramic phase and method of making are provided by the present invention. The multimodal cermet compositions include a) a ceramic phase and b) a metal binder phase, wherein the ceramic p... | 06/08/2010 |
| 7501090 | Method for protecting metal surfaces utilizing erosion resistant oxide cermets One embodiment of the invention includes a cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and a binder phase (RS) wherein, P is a metal selected from the group consisting of Al, Si, Mg, Ca, Y, Fe, Mn, Group IV, G... | 03/10/2009 |
| 7438741 | Erosion-corrosion resistant carbide cermets for long term high temperature service Cermets are provided in which the ceramic phase is selected from the group consisting of Cr23C6, Cr7C3, Cr3C2 and mixtures thereof. The binder phase is selected from certain specified Ni/Cr alloys and... | 10/21/2008 |
| 7431777 | Composition gradient cermets and reactive heat treatment process for preparing same Cermets, particularly composition gradient cermets can be prepared starting with suitable bulk metal alloys by a reactive heat treatment process involving a reactive environment selected from the group consisting of reactive carbon, reactive nitrogen, reactive boron... | 10/07/2008 |
| 7407082 | Advanced erosion resistant carbonitride cermets The invention includes a cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and a binder phase (RS) wherein, P is a metal selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, ... | 08/05/2008 |
| 7384444 | Advanced erosion-corrosion resistant boride cermets A cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and binder phase (RS) wherein, P is at least one metal selected from the group consisting of Group IV, Group V, Group VI elements, Q is boride, ... | 06/10/2008 |
| 7316724 | Multi-scale cermets for high temperature erosion-corrosion service A cermet composition represented by the formula (PQ)(RS)X comprising: a ceramic phase (PQ), a binder phase (RS) and X wherein X is at least one member selected from the group consisting of an oxide dispersoid E, an intermetallic compound F and a derivative compound ... | 01/08/2008 |
| 7288132 | Advanced erosion resistant carbide cermets with superior high temperature corrosion resistance Cermets are provided in which a substantially stoichiometric metal carbide ceramic phase along with a reprecipitated metal carbide phase, represented by the formula MxCy, is dispersed in a metal binder phase. In MxCy M is ... | 10/30/2007 |
| 7247186 | Advanced erosion resistant carbonitride cermets The invention includes a cermet composition represented by the formula (PQ) (RS) comprising: a ceramic phase (PQ) and a binder phase (RS) wherein, P is a metal selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W,... | 07/24/2007 |
| 7175687 | Advanced erosion-corrosion resistant boride cermets A cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and binder phase (RS) wherein, P is at least one metal selected from the group consisting of Group IV, Group V, Group VI elements, Q is boride, ... | 02/13/2007 |
| 7175686 | Erosion-corrosion resistant nitride cermets The invention includes a cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and a binder phase (RS) wherein, P is a metal selected from the group consisting of Si, Mn, Fe, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W and mixture... | 02/13/2007 |
| 7153338 | Advanced erosion resistant oxide cermets One embodiment of the invention includes a cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and a binder phase (RS) wherein, P is a metal selected from the group consisting of Al, Si, Mg, Ca, Y, Fe, Mn, Group IV, Group V... | 12/26/2006 |
| 7074253 | Advanced erosion resistant carbide cermets with superior high temperature corrosion resistance Cermets are provided in which a substantially stoichiometric metal carbide ceramic phase along with a reprecipitated metal carbide phase, represented by the formula MxCy, is dispersed in a metal binder phase. In MxCy M is ... | 07/11/2006 |