Steven R Slawson, Ronald A Hauptli, Chris R Roberts, Allan I Krauter, Ervin Goldfain: Focusing mechanism. Welch Allyn, Wall Marjama & Bilinsk, May 21, 2002: US06390625 (142 worldwide citation)

A focusing mechanism for an optical instrument includes an eyepiece having at least one lens element retained within an eyepiece housing, a stationary carrier for retaining the eyepiece, and a rotatable thumb wheel. A pair of levers operatively connect the eyepiece housing with the rotatable thumb w ...

Dennis L Chang, Larry R Enochs, Mark R Hernick, Christopher T Rich: Dispensing tray for display console. Oneida, Wall Marjama & Bilinsk, June 25, 2002: US06409027 (99 worldwide citation)

Apparatus for displaying and dispensing flat objects of different widths from a tray that includes an open top tray having a bottom wall, opposed side walls, a front wall and a back wall. A pair of elongated panels are slidably mounted in the bottom wall of the tray so that they can move along indep ...

Jon R Salvati, David G Perkins, Stephen C Wilson: Compact imaging instrument system. Welch Allyn, Wall Marjama & Bilinsk, May 21, 2002: US06393431 (58 worldwide citation)

An imaging instrument includes a compact hand-held housing having an electronic imaging element supported within a housing, and a plurality of interchangeable instrument heads separably attachable to the housing. Each of the instrument heads includes an optical system disposed in alignment with the ...

Gabriel Silva: Heat dissipating voice coil activated valves. Young & Franklin, Wall Marjama & Bilinsk, August 6, 2002: US06427970 (17 worldwide citation)

An electromechanical valve that includes a cylindrical housing having a first axially disposed chamber containing a valve body and a spool reciprocally mounted in the body for movement along the axis of the housing. A second chamber is located within the housing adjacent to the first chamber which c ...

August William Gutheim: Container for cooling perishable goods. Carrier Corporation, Wall Marjama & Bilinsk, August 13, 2002: US06431060 (16 worldwide citation)

An enclosed container having an air conditioning unit for providing conditioned air to the mixing plenum of an air handling system for circulating conditioned air through a load of perishable goods stored within the container. An open-sided supply duct is connected to the plenum that runs along the ...

Bruce F Macbeth, Thomas N Packard: Arc fault detector device with two stage arc sensing. Pass & Seymour, Wall Marjama & Bilinsk, April 23, 2002: US06377055 (14 worldwide citation)

An arc fault detector for detecting an arc fault in electric power lines includes a two stage arc sensor. The first stage is a current transformer designed for high sensitivity to arc faults but which may saturate and lose detection capability during arc currents at 75A and higher. The second arc fa ...

Robert Stolle, Heinz Dieter Odendahl, Christian Beyer: Friction vacuum pump. Leybold Vakuum, Wall Marjama & Bilinsk, January 2, 2001: US06168374 (2 worldwide citation)

The present invention relates to a friction vacuum pump having at least one turbomolecular pump stage (