1
David M Johnson, John W Lucek: Polycrystalline diamond compact cutter with improved cutting by preventing chip build up. General Electric Company, March 6, 2001: US06196910 (115 worldwide citation)

The present invention discloses a new surface geometry of a polycrystalline diamond (PCD) cutter whereby large chips are prevented from forming in front of the cutter. The surface geometry includes recess(es) and/or raised region(s) that can act as chip breakers and also increase turbulence in the f ...


2
Michael S Mirizzi: Stent made by rotational molding or centrifugal casting and method for making the same. Advanced Cardiovascular Systems, Fulwider Patton Lee & Utecht, June 10, 2003: US06574851 (113 worldwide citation)

The invention is directed to an expandable or self-expanding stent for implantation in a body lumen, such as an artery. The stent is made from a centrifugal casting process in which liquid casting material is placed within a female mold which includes an elongated cavity having a angular wall formed ...


3
Cornelius Phaal: Abrasive product. Scully Scott Murphy & Presser, April 16, 1991: US05007207 (109 worldwide citation)

A tool insert comprising an abrasive compact bonded to a cemented carbide support. The cutting edge of the tool is provided by the periphery of the compact. A plurality of circular, concentric recesses, each filled with abrasive compact material, extend into the cemented carbide support from the com ...


4
Denise R Rutherford, Douglas P Goetz, Cristina U Thomas, Richard J Webb, Wesley J Bruxvoort, James D Buhler, William J Hollywood: Abrasive construction for semiconductor wafer modification. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Paul W Busse, December 2, 1997: US05692950 (83 worldwide citation)

An abrasive construction for modifying a surface of a workpiece, such as a semiconductor wafer. The abrasive construction comprises: a three-dimensional, textured, fixed abrasive element; at least one resilient element generally coextensive with the fixed abrasive element; and at least one rigid ele ...


5
Vincent D Romero: Patterned abrading articles and methods of making and using same. 3M Innovative Properties Company, Gregory D Allen, April 16, 2002: US06371842 (75 worldwide citation)

An abrasive article having a patterned abrasive surface is provided. In accordance with the present invention, the article comprises a substrate having a first side. A plurality of raised portions are positioned on the first side of the substrate with the raised portions defining recessed areas betw ...


6
Walter Ritt, Johann Dorfmeister, Wolfgang Tillmann, Martin Goedickemeir: Abrasive cutter containing diamond particles and a method for producing the cutter. Hilti Aktiengesellschaft, Brown & Wood, May 29, 2001: US06238280 (54 worldwide citation)

An abrasive cutter formed of at least one diamond particle, preferably at least one mono-diamond crystal and metallic binder material distinguished by the fact that the diamond particle (D) has a size of about 50 &mgr;m to about 500 &mgr;m and each diamond particle (D) is enclosed by a coating (H) p ...


7
Theodore J Krenzer, Ernst J Hunkeler, Robert N Goldrich: Multi-axis bevel and hypoid gear generating machine. The Gleason Works, Ralph E Harper, Robert L McDowell, January 1, 1991: US04981402 (51 worldwide citation)

A computer controlled machine for forming longitudinally curved tooth bevel and hypoid gears having a minimum number of movable machine axes for setup and operation. The movable axes include three rectilinear axes (X, Y, and Z) and three rotational axes (T, W and P). The rectilinear axes are arrange ...


8
Srinivasan Ramanath, Sergej Tomislav Buljan, Jason R Wilson, Jeri Ann S Ikeda: Porous abrasive tool and method for making the same. Saint Cobain Abrasives Technology Company, Mary E Porter, June 29, 2004: US06755729 (47 worldwide citation)

An abrasive article including from about 40 to about 80 volume percent interconnected porosity, the article being useful as a segment for a segmented grinding wheel, and a method for fabricating the same. The method includes blending a mixture of abrasive grain, bond material and dispersoid particle ...


9
Charles H Winter, Zhengkun Yu, Charles L Dezelah IV: Copper nanocrystals and methods of producing same. Wayne State University, Kenyon & Kenyon, May 3, 2005: US06887297 (42 worldwide citation)

The invention relates to methods of making monodisperse nanocrystals comprising the steps of reducing a copper salt with a reducing agent, providing a passivating agent comprising a nitrogen and/or an oxygen donating moitey and isolating the copper nanocrystals. Moreover, the invention relates to me ...


10
David Mark Johnson, Gary Martin Flood, Henry Samuel Marek: Polycrystalline diamond compact PDC cutter with improved cutting capability. General Electric Company, April 4, 2000: US06045440 (41 worldwide citation)

The present invention relates to supported polycrystalline diamond compact cutters (PDC cutters) made under high temperature, high pressure (HT/HP) processing conditions, and more particularly to supported PDC cutters having non-planar cutting surfaces. More specifically, the present invention is fo ...



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