1
Robert S Wegeng, M Kevin Drost, Charles J Call, Joseph G Birmingham, Carolyn Evans McDonald, Dean E Kurath, Michele Friedrich: Microcomponent chemical process sheet architecture. Battelle Memorial Institute, Paul W Zimmerman, September 22, 1998: US05811062 (227 worldwide citation)

The invention is a microcomponent sheet architecture wherein macroscale unit processes are performed by microscale components. The sheet architecture may be a single laminate with a plurality of separate microcomponent sections or the sheet architecture may be a plurality of laminates with one or mo ...


2
Anna Lee Y Tonkovich, Gary L Roberts, Charles J Call, Robert S Wegeng, Yong Wang: Active microchannel heat exchanger. Battelle Memorial Institute, Paul W Zimmerman, March 13, 2001: US06200536 (148 worldwide citation)

The present invention is an active microchannel heat exchanger with an active heat source and with microchannel architecture. The active microchannel heat exchanger has (a) an exothermic reaction chamber; (b) an exhaust chamber; and (c) a heat exchanger chamber in thermal contact with the exhaust ch ...


3
Monte K Drost, Robert S Wegeng, Michele Friedrich, William T Hanna, Charles J Call, Dean E Kurath: Microcomponent assembly for efficient contacting of fluid. Battelle Memorial Institute, Paul W Zimmerman, October 3, 2000: US06126723 (141 worldwide citation)

The present invention is a fundamental method and apparatus of a microcomponent assembly that overcomes the inherent limitations of state of the art chemical separations. The fundamental element enabling miniaturization is the porous contactor contained within a microcomponent assembly for mass tran ...


4
James A Zess, M Kevin Drost, Charles J Call: Method and apparatus for desuperheating refrigerant. Battelle Memorial Institute, Paul W Zimmerman, November 25, 1997: US05689966 (36 worldwide citation)

The present invention is an apparatus and method for de-superheating a primary refrigerant leaving a compressor wherein a secondary refrigerant is used between the primary refrigerant to be de-superheated. Reject heat is advantageously used for heat reclaim.


5
Charles J Call, Eric Hanczyc, Andrew Kamholz: Robust system for screening mail for biological agents. MesoSystems Technology, Ronald M Anderson, May 3, 2005: US06887710 (34 worldwide citation)

Items of mail are rapidly processed in a mail sampling system to determine if the mail is contaminated with a chemical or biological agent. The mail sampling system maintains a negative pressure in a containment chamber and includes a triggering sampler that makes a threshold determination regarding ...


6
Christopher L Moler, Trent Wetherbee, Patrick Call, Charles J Call, Vanessa M Kenning: Biological individual sampler. MesoSystems Technology, Ronald M Anderson, May 4, 2004: US06729196 (33 worldwide citation)

A portable sampling unit capable of separating particulates, including biological organisms, from gaseous fluids such as air. A combined particle impact collector and fan is used to both move fluid through the sampling unit and to collect particulates. In one embodiment, the combined particle impact ...


7
Charles J Call, Mike Powell, Seung Ho Hong, Ezra Merrill, Alireza Shekarriz, Patrick Call: Method and apparatus for air purification. MesoSystems Technology, Ronald M Anderson, December 3, 2002: US06488900 (31 worldwide citation)

A method and apparatus for purifying air to deactivate toxic chemical and biological species such as Sarin, mustard gas, phosgene, cyanogen chloride, Anthrax spores,


8
Joseph G Birmingham, Vanessa M Kenning, Patrick T Call, Charles J Call: Micromachined impactor pillars. MesoSystems Technology, Ronald M Anderson, August 29, 2000: US06110247 (30 worldwide citation)

A plurality of micropillars (2) arranged in a plurality of rows (4, 6, 8) are provided. When a particle-laden fluid stream is caused to flow through the micropillars, at least a portion of the particles impacts and becomes deposited on the micropillars' surfaces while the fluid stream is deflected a ...


9
Joseph G Birmingham, Patrick T Call, Vanessa M Kenning, Alireza Shekarriz, Charles J Call: Micromachined virtual impactor. MesoSystems Technology, Ronald M Anderson, May 16, 2000: US06062392 (24 worldwide citation)

A separation plate (10) includes a first surface and an opposing second surface. Plural pairs of a nozzle (14) and a virtual impactor (16) are provided on the first surface. Each nozzle tapers from an inlet end (14a) to an outlet end (14b). Each virtual impactor comprises a pair of generally fin-sha ...


10
Charles J Call, Patrick T Call, Vanessa M Kenning, Andrew Kamholz: Method for surface deposition of concentrated airborne particles. MesoSystems Technology, Ronald M Anderson, February 24, 2004: US06695146 (21 worldwide citation)

The present invention employs a virtual impactor to separate a flow of fluid into a major flow and a minor flow, such that the minor flow contains a higher concentration of particulates of a desired size. The minor flow is directed toward an archival surface, causing the particulates to impact again ...



Click the thumbnails below to visualize the patent trend.