51
David C Swanson, H Randolph Thomas, Amr A Oloufa: Compacted material density measurement and compaction tracking system. The Penn State Research Foundation, Thomas J Monahan, September 19, 2000: US06122601 (44 worldwide citation)


The present invention provides a two component system to obtain uniform density of compacted materials and track the compaction of the materials. The first component provides an automated, real-time compaction density meter and method of use to measure the density of the compacted material. The seco ...


52
Seung Eek Park, Thomas R Shrout: High strain actuator using ferroelectric single crystal. The Penn State Research Foundation, Thomas J Monahan, September 8, 1998: US05804907 (44 worldwide citation)


An actuator incorporating the invention includes a body of a ferroelectric material. The material is single crystalline and incorporates solid solutions of lead zinc niobate-lead titanate or lead magnesium niobate-lead titanate, described by the formulae: Pb(Zn.sub.1/3 Nb.sub.2/3).sub.1-x Ti.sub.x O ...


53
Thomas Jackson, Jianna Wang: Thin-film transistor and methods of manufacturing and incorporating a semiconducting organic material. The Penn State Research Foundation, Birch Stewart Kolasch & Birch, September 16, 2003: US06621098 (44 worldwide citation)


The present invention is drawn to a thin-film transistor having a layer of semiconducting organic material provided on an insulating substrate and integrated with at least two electrical contacts for applying an electric voltage to the semiconducting organic material, wherein the semiconducting orga ...


54
William E Higgins, Scott A Merritt, Lav Rai: Fast 3D-2D image registration method with application to continuously guided endoscopy. The Penn State Research Foundation, Gifford Krass Sprinkle Anderson & Citkowski P C, February 15, 2011: US07889905 (43 worldwide citation)


A novel framework for fast and continuous registration between two imaging modalities is disclosed. The approach makes it possible to completely determine the rigid transformation between multiple sources at real-time or near real-time frame-rates in order to localize the cameras and register the tw ...


55
Robert E Newnham, Aydin Dogan: Metal-electroactive ceramic composite transducer. The Penn State Research Foundation, Thomas J Monahan, March 17, 1998: US05729077 (43 worldwide citation)


A metal-ceramic device includes an electroactive ceramic substrate having a pair of opposed planar surfaces and a thickness aspect. Conductive electrodes sandwich the ceramic substrate and a first sheet metal cap having a concave shape, a substantially unchanging thickness and a rim is joined to a f ...


56
David S Kurtz, Clay O Ruud: Large angle solid state position sensitive x-ray detector system. The Penn State Research Foundation, Advanced Technology Materials, Thomas J Greer Jr, July 21, 1998: US05784432 (43 worldwide citation)


A method and apparatus for x-ray measurement of certain properties of a solid material. In distinction to known methods and apparatus, this invention employs a specific fiber-optic bundle configuration, termed a reorganizer, itself known for other uses, for coherently transmitting visible light orig ...


57
David C Swanson, Nicholas C Nicholas, David Rigsby: System and method for detecting, localizing, or classifying a disturbance using a waveguide sensor system. The Penn State Research Foundation, McKee Voorhees & Sease, May 4, 2004: US06731210 (43 worldwide citation)


A vibration detection and classification system and associated methods are disclosed. The system includes a waveguide in operative contact with a boundary, such as a security fence. At least one sensor for sensing vibrations such as acoustic waves is operatively connected to the waveguide, the waveg ...


58
Smadar Cohen, Alexander K Andrianov, Margaret Wheatley, Harry R Allcock, Robert S Langer: Polymeric microparticles containing agents for imaging. Massachusetts Institute of Technology, The Penn State Research Foundation, Arnall Golden & Gregory, October 8, 1996: US05562099 (42 worldwide citation)


Compositions, methods for preparing and methods of using contrast agent-filled polymeric microparticles for imaging are disclosed. In a preferred embodiment, air-encapsulating microparticles are formed by ionotropically gelling synthetic polyelectrolytes such as poly(carboxylatophenoxy)phosphazene, ...


59
Vijay K Varadan, Vasundara V Varadan, Neil R Williams, Joseph W Cresko: Electromagnetic shielding materials. The Penn State Research Foundation, Thomas J Monahan, November 22, 1994: US05366664 (42 worldwide citation)


The present invention provides for conductive electromagnetic shielding (EMS) compositions which can be formulated to provide effective shielding over a broad range of frequencies, e.g. 30 MHz. to 110 GHz. which is based on a mixture of a polymeric or liquid matrix material and a synergestic combina ...


60
Vijay K Varadan, Fathi Selmi, Vasundara V Varadan: Voltage tunable dielectric ceramics which exhibit low dielectric constants and applications thereof to antenna structure. The Penn State Research Foundation, Thomas J Monahan, September 17, 1996: US05557286 (40 worldwide citation)


An improved BST dielectric powder is created used a sol-gel procedure. Addition of graphite to the powder, followed by a firing of the mixture results in a highly porous BST substrate, with the included graphite being burned off. By adjustment of the amount of added graphite, the porosity of the BST ...



Click the thumbnails below to visualize the patent trend.