1
Sheldon Schultz, David A Schultz, David R Smith, Jack J Mock, Thomas J Silva: Plasmon resonant particles, methods and apparatus. The Regents of the University of California, Peter J Dehlinger, January 30, 2001: US06180415 (180 worldwide citation)

A method and apparatus for interrogating a target having a plurality of plasmon resonant particles (PREs) distributed in the target are disclosed. In the method, a field containing the target is illuminated, and one or more spectral emission characteristics of the light-scattering particles in the f ...


2
Rodney J Wetzel, Sudhir Pai, David R Smith, Peter V Howard, Craig D Johnson, Jake A Danos, Patrick W Bixenman: Intelligent well system and method. Schlumberger Technology Corporation, Robert A Van Someren P C, Jeffrey Griffin, Brigitte Jeffery Echols, September 14, 2004: US06789621 (87 worldwide citation)

An intelligent well system and method has a sand face completion and a monitoring system to monitor application of a well operation. Various equipment and services may be used. In another aspect, the invention provides a monitoring system for determining placement of a well treatment. Yet another as ...


3
Rodney J Wetzel, Sudhir Pai, David R Smith, Peter V Howard, Craig D Johnson, Michael Langlais, Jake A Danos, Patrick W Bixenman: Intelligent well system and method. Schlumberger Technology Corporation, Robert A VanSomeren PC, Jeffrey Griffin, Brigitte Echols, November 16, 2004: US06817410 (82 worldwide citation)

An intelligent well system and method has a sand face completion and a monitoring system to monitor application of a well operation. Various equipment and services may be used. In another aspect, the invention provides a monitoring system for determining placement of a well treatment. Yet another as ...


4
David R Smith, David Schurig, Anthony F Starr, Jack J Mock: Metamaterials. The Regents of the University of California, Greer Burns & Crain, May 26, 2009: US07538946 (74 worldwide citation)

One exemplary metamaterial is formed from a plurality of individual unit cells, at least a portion of which have a different permeability than others. The plurality of individual unit cells are arranged to provide a metamaterial having a gradient index along at least one axis. Such metamaterials can ...


5
Thomas D Poyser, Randall N Avery, John W Bankoske, John D Borst, Clive W Kimblin, Albert H Maxwell, David W McElroy, Charles A Peterson, Joseph R Rostron, David R Smith, William H South, Michael W Thomas: Method and apparatus for monitoring transformers. Westinghouse Electric, B R Studebaker, March 31, 1987: US04654806 (70 worldwide citation)

A microprocessor-based transformer monitoring system to provide continuous on-line monitoring and analysis of transformer operation. The transformer monitoring system periodically monitors various parameters related to transformer load and condition. Maximum, minimum, and instantaneous values of the ...


6
Ray Rawson, William C Maenle, David R Smith: Soil zone-builder coulter closer/tiller. Unverferth Manufacturing Co, Rothwell Figg Ernst & Kurz, April 29, 1997: US05623997 (63 worldwide citation)

A soil manipulation device is provided for closing a groove in soil formed by a soil tiller shank. The device includes a frame connected to a rear portion of the tiller shank and a pair of rotatable coulter blades mounted on the frame for engaging soil behind the tiller shank. The coulter blades are ...


7
David R Smith, William C Maenle: Soil zone-builder coulter closer/tiller with vertical response mechanism and shank head. Unverferth Manufacturing Co, Rothwell Figg Ernst & Kurz p c, May 30, 2000: US06068061 (61 worldwide citation)

An apparatus and method for tilling a seedbed with a soil manipulation device comprising a tilling shank for forming a groove in the soil followed a pair of coulter blades for closing the groove and a rear finishing device such as a rolling basket for further tilling and firming of the soil with imp ...


8
David R Smith, William C Maenle: Ground driven row cleaning apparatus. Henderson & Sturm, January 6, 1998: US05704430 (58 worldwide citation)

An improved row cleaning apparatus to selectively clean away residue from conservation tilled fields without cultivation of the soil. When mounted on tractor-drawn implements, including planters, the cleaning action of the present invention improves depth control and planting speed of the planter un ...


9
Rodney J Wetzel, Sudhir Pai, David R Smith, Peter V Howard, Craig D Johnson, Michael Langlais, Jake A Danos, Patrick W Bixenman: Intelligent well system and method. Schlumberger Technology Corporation, Robert A Van Someren, Kevin P McEnaney, Jaime A Castano, September 12, 2006: US07104324 (57 worldwide citation)

An intelligent well system and method has a sand face completion and a monitoring system to monitor application of a well operation. Various equipment and services may be used. In another aspect, the invention provides a monitoring system for determining placement of a well treatment. Yet another as ...


10
David R Smith, David Schurig, Anthony F Starr, Jack J Mock: Metamaterials. The Regents of the University of California, Greer Burns & Crain, October 18, 2011: US08040586 (48 worldwide citation)

One exemplary metamaterial is formed from a plurality of individual unit cells, at least a portion of which have a different permeability than others. The plurality of individual unit cells are arranged to provide a metamaterial having a gradient index along at least one axis. Such metamaterials can ...