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Torleif Ove Bjornson, Timothy F Smith: Apparatus and method for transferring liquids. Aclara BioSciences, Larry W Thrower, Iota Pi Law Group, September 4, 2001: US06284113 (233 worldwide citation)

The present invention concerns devices, apparatus and methods for transferring liquids. One aspect of the present invention is a device comprising a plate having a plurality of transfer elements. Each of the transfer elements comprises an aperture in the plate where the aperture is capable of being ...


2
Torleif Ove Bjornson, Randy M McCormick, David S Soane: Capillary electroflow apparatus and method. ACLARA Biosciences, Bertram I Rae Venter Law Group P C Rowland, August 15, 2000: US06103199 (221 worldwide citation)

The present invention concerns an apparatus for conducting a microfluidic process. The apparatus comprises integral first and second plates. The first plate comprises an array of sample receiving elements for receiving a plurality of samples from an array of sample containers and dispensing the samp ...


3
Kevin Maher, Timothy F Smith, Torleif Ove Bjornson: Multiplexed fluorescent detection in microfluidic devices. Aclara BioSciences, June 4, 2002: US06399952 (157 worldwide citation)

An optical detection and orientation device is provided comprising housing having an excitation light source, an optical element for reflecting the excitation light to an aspherical lens and transmitting light emitted by a fluorophore excited by said excitation light, a focussing lens for focusing t ...


4
Kevin Maher, Torleif Ove Bjornson: Optical alignment in capillary detection using capillary wall scatter. Aclara Biosciences, Peter J Dehlinger, Perkins Coie, February 4, 2003: US06515753 (89 worldwide citation)

The present invention provides for methods and apparatus for locating a capillary channel that is disposed within a lab chip. The method provides for scanning the channel with a light source, monitoring the resulting light at the edges of the lab chip, and interpreting this information whereby the l ...


5
Sharat Singh, Vivian Xiao, Ian Gibbons, Travis Boone, Torleif Ove Bjornson, Herbert H Hooper, Edwin F Ullman: Sample evaporative control. Aclara BioSciences, Peter J Dehlinger, Jacqueline F Mahoney, Perkins Coie, September 30, 2003: US06627406 (61 worldwide citation)

Devices and methods are provided using microfluidic devices for manipulating small volumes and determining a variety of chemical and physical events. The devices rely upon an opening to the atmosphere of a small volume in a zone, where a sample is placed in the zone where evaporation can occur. The ...


6
Kevin Maher, Timothy F Smith, Torleif Ove Bjornson: Multiplexed fluorescent detection in microfluidic devices. Aclara Biosciences, Stephen C Macevicz, September 2, 2003: US06614030 (60 worldwide citation)

An optical detection and orientation device is provided comprising housing having an excitation light source, an optical element for reflecting the excitation light to an aspherical lens and transmitting light emitted by a fluorophore excited by said excitation light, a focussing lens for focusing t ...


7
Samuel Benjamin Schaevitz, Travis Boone, Torleif Ove Bjornson: Efficient microfluidic sealing. Aclara Biosciences, Stephen C Macevicz, David Albagli, June 21, 2005: US06908594 (58 worldwide citation)

Improved sealing for microstructures in microfluidic devices having a plurality of units is provided by providing collars surrounding the openings to the microstructures, such as reservoirs. The collars are protrusions extending from the surface of the devices and the internal walls of the collars g ...


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Torleif Ove Bjornson, Robert Liebhard, Adi Zuppiger, Dirk Heerklotz: Pipetting apparatus with integrated liquid level and/or gas bubble detection. Tecan Trading, Notaro & Michalos P C, January 20, 2009: US07479391 (8 worldwide citation)

A pipetting apparatus (1) comprises a fluidic space (7), to which a pressure transducer (11) with a pressure sensor (12) is attached with a gas filled space (15). The fluidic space (7) is defined by a pipette tip (2), a first tubing (5) that connects the pipette tip (2) to a pump (4), and an active ...


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Torleif Ove Bjornson, Robert Liebhard, Adi Zuppiger, Dirk Heerklotz: Pipetting apparatus with integrated liquid level and/or gas bubble detection. Tecan Trading, Notaro Michalos & Zaccaria P C, October 16, 2012: US08287806 (2 worldwide citation)

A pipetting apparatus has a fluidic space to which a pressure transducer with a pressure sensor is attached with a gas filled space. The fluidic space is defined by a pipette tip, a first tubing that connects the pipette tip to a pump, and an active part of the pump. The pipetting apparatus further ...