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Gregory Mathus, Daniel J Seguin, Victor A Torti: Tube rack. Matrix Technologies Corporation, Gauthier & Connors, April 5, 2005: US06875405 (78 worldwide citation)

A tube rack comprises a base having an array of vertical openings extending therebetween, the openings being configured and dimensioned to receive a plurality of tubes, with the upper ends of the tubes being accessible at the top surface. The base includes base sidewalls that each include a co-axial ...


2
George P Kalmakis, Victor A Torti, Dan Seguin, Robert H Zier, Gary E Nelson: Pipette tip rack with array of interconnected sleeves. Matrix Technologies, Wolf Greenfield & Sacks P C, February 1, 2000: US06019225 (78 worldwide citation)

An improved pipette tip support rack having a honeycomb structure. The rack includes an array of interconnected sleeves, each of the sleeves being constructed to support a pipette tip therein. The sleeves are connected by bridges which form along abutting, touching surfaces thereof, or which extend ...


3
Victor A Torti, Gary E Nelson, Laurence Keene, George P Kalmakis: Expandable multi-channel pipetter. Matrix Technologies, Wolf Greenfield & Sacks, October 29, 1991: US05061449 (54 worldwide citation)

A pipetting system having a plurality of fittings whose spacing can be simultaneously expanded from one dimension to another. Increasing the spacing is accomplished by pulling a rod, attached to one fitting, which elongates the series of fittings to a second position. In addition, there is a release ...


4
Victor A Torti, George P Kalmakis, Gary E Nelson: Pipettor including an indicator and method of use. Matrix Technologies Corporation, Wolf Greenfield & Sacks P C, September 26, 2000: US06123905 (36 worldwide citation)

A pipettor including a body portion, a cylinder having an interior channel, and a filter plug disposed within the channel is disclosed. The filter plug may include a plurality of pores and may preferably be treated with a first chemical, so as to affect closure of the pores when the filter plug cont ...


5
George P Kalmakis, R Laurence Keene, Gary E Nelson, Victor A Torti: Computer controlled pipetting system. Matrix Technologies Corporation, Jerry Cohen, January 23, 1990: US04896270 (32 worldwide citation)

A computer controlled pipetting system with a hand held pipettor and a control assembly. The pipettor has a motor driven pump for aspirating and dispensing liquid through a pipette which is inserted to the pipettor. The control assembly has a keyboard for controlling operation of the pipetting syste ...


6
Gregory Mathus, Daniel J Seguin, Victor A Torti: Test tube with data matrix code markings. Matrix Technologies Corporation, Samuels Gauthier & Stevens, April 16, 2002: US06372293 (23 worldwide citation)

A test tube comprises a tube body of unitary construction including an enclosed sidewall and an integral bottom that together define a tubular container having an open top. The bottom has a concave interior surface and a planar exterior surface upon which machine readable data is encoded within a mu ...


7
Dave Allen, Robert H Zier, George P Kalmakis, Victor A Torti, Gary E Nelson: Uniformly expandable multi-channel pipettor. Matrix Technologies, Wolf Grenfield & Sacks P C, May 22, 2001: US06235244 (21 worldwide citation)

A pipetting system having a plurality of tip fittings whose spacing can be simultaneously, quickly, and accurately adjusted so that the spacing between each adjacent tip fitting is substantially identical. The tip fittings are attached one to another by a linkage such as a pantographic linkage. The ...


8
Victor A Torti, Gary E Nelson, R Laurence Keene, George P Kalmakis: Adjustable multi-channel pipetter. Matrix Technologies Corporation, Wolf Greenfield & Sacks, October 15, 1991: US05057281 (20 worldwide citation)

A pipetting system having a plurality of fittings whose spacing can be individually adjusted by sliding the fittings along a track. Changing the spacing is accomplished by releasing a clamping plate which secures the fittings to the track. The fittings are then slid into the desired position and rec ...


9
Victor A Torti, Robert H Zier, Jean Paul G Boucher: Small sample volume displacement pipette tips. Matrix Technologies Corporation, Wolf Greenfield & Sacks P C, May 23, 2000: US06066297 (14 worldwide citation)

A pipette tip with a volume capacity of at least about 1250 .mu.l that can be used with single channel or multichannel pippetors and that can be used effectively with microtiter tubes, test tubes and microtiter plates. The tip can be a single contiguous piece, typically formed of a material such as ...


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