11
Arnold L Newman: Optimized capacitive sensor for chemical analysis and measurement. The Johns Hopkins University, Robert E Archibald, Howard W Califano, April 18, 1989: US04822566 (204 worldwide citation)

An apparatus for detecting the presence and/or measuring the concentration of an analyte in the fluid medium is disclosed. The apparatus relies on biospecific binding between a biochemical binding system and the analyte to change the dielectric properties of a capacitive affinity sensor. The biologi ...


12
J Michael Ramsey: Apparatus and method for performing microfluidic manipulations for chemical analysis. Lockheed Martin Energy Systems, Dann Dorfman Herrell and Skillman, December 14, 1999: US06001229 (200 worldwide citation)

A microchip apparatus and method provide fluidic manipulations for a variety of applications, including sample injection for microchip liquid chromatography. The microchip is fabricated using standard photolithographic procedures and chemical wet etching, with the substrate and cover plate joined us ...


13
Andreas Manz: Apparatus for processing or preparing liquid samples for chemical analysis. Ciba Geigy Corporation, Luther A R Hall, Marla J Mathias, William A Teoli Jr, October 5, 1993: US05250263 (183 worldwide citation)

An apparatus (1) for processing or preparing liquid samples for a preferably quantitative chemical analysis, especially for flow-injection analysis, is, for the purpose of miniaturisation and reducing the necessary sample volume while at the same time reducing the analysis time, assembled from a set ...


14
Edward T Maggio, Richard L Wife, Edwin F Ullman: Reagents and method employing channeling. Syva Company, Bertram I Rowland, November 11, 1980: US04233402 (181 worldwide citation)

Method and compositions are provided for chemical analysis of an analyte which is a member of a specific binding pair of organic substances consisting of ligand and ligand receptor (antiligand). The method involves bringing together the following reagents with the analyte in an aqueous assay medium ...


15
Masashi Inata, Kahoru Mori, Katsuhiro Suzuki, Akiji Higuchi: Liquid crystal cell and its manufacturing method. Denso Corporation, Toppan Printing, Pillsbury Madison & Sutro, January 19, 1999: US05861932 (177 worldwide citation)

A pair of electrode panels are supported by plural spacer walls made of photo-resist resin to form a cell gap between electrode panels. The cell gap is filled with liquid crystal, preferably, antiferroelectric liquid crystal. The spacer walls are formed on an orientation layer formed on either panel ...


16
J Michael Ramsey: Apparatus and method for performing microfluidic manipulations for chemical analysis and synthesis. Lockheed Martin Energy Research Corporation, Dann Dorfman Herrell and Skillman, January 4, 2000: US06010607 (176 worldwide citation)

A microchip laboratory system and method provide fluid manipulations for a variety of applications, including sample injection for microchip chemical separations. The microchip is fabricated using standard photolithographic procedures and chemical wet etching, with the substrate and cover plate join ...


17
J Michael Ramsey: Apparatus and method for performing microfluidic manipulations for chemical analysis and synthesis. Lockheed Martin Energy Research Corporation, Dann Dorfman Herrell and Skillman, March 7, 2000: US06033546 (175 worldwide citation)

A microchip laboratory system and method provide fluid manipulations for a variety of applications, including sample injection for microchip chemical separations. The microchip is fabricated using standard photolithographic procedures and chemical wet etching, with the substrate and cover plate join ...


18
Ger van den Engh, Bernhard H Weigl: Fluorescent reporter beads for fluid analysis. University of Washington, Greenlee Winner & Sullivan P C, May 5, 1998: US05747349 (156 worldwide citation)

The present invention provides a method and apparatus for rapid measurement of a fluid bulk analyte, requiring only microscale volumes. Several fluid bulk analytes can be measured simultaneously and, for biological samples, the cell content can also be measured simultaneously. The invention comprise ...


19
Franklin S Intengan: Self-stacking reagent slide. American Hospital Supply Corporation, Michael P Bucklo, John H Faro, April 3, 1984: US04440301 (141 worldwide citation)

The present invention relates generally to a device for use in the analysis of fluid samples and, more particularly, to a self-stacking reagent slide which is especially useful in an automated instrument for carrying out quantitative chemical analysis of biological fluid samples.


20
Elton M Botts: Control unit for oil wells. Energy 76, Clarence A O Brien, Harvey B Jacobson, July 25, 1978: US04102394 (121 worldwide citation)

A control unit for oil wells for maximizing the efficiency of a producing oil well field, including the use of a variable speed AC motor powering each oil well pump jack, which enables the operator to control the strokes per minute on the pump unit and adjust the speed of the upstroke relative to th ...



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