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| Number | Title | Issue Date |
| 7434483 | Sample pipette Sample pipettes used in particular for injecting samples into high pressure liquid chromatography apparatuses, which are provided with a hollow needle for drawing a sample and expelling same into a container or into a sample receiving device of the apparatus. An int... | 10/14/2008 |
| 7427379 | Liquid dispensing apparatus A liquid dispensing apparatus comprises a liquid reservoir (32), an outlet port (6; 36) and driving means for forcing liquid (4) through the outlet port (6, 36). The driving means generates a pulse of gas which impinges upon the liquid ( | 09/23/2008 |
| 7357042 | Filter contamination control device A biological specimen filter, for use in a biological specimen collection and transfer system having a vacuum source, comprises a tubular body having an exterior surface, an interior chamber, a first end configured to couple to the vacuum source, and a second end ha... | 04/15/2008 |
| 7347644 | Multi-use adapter ring for stackable riser components for on-site waste systems A multi-use adapter ring for converting the compatibility of an access opening of an underground on-site waste or drainage facility tank surface or component so as to receive a lower end of a riser component, in a tongue-and-groove type connection, to help achieve a... | 03/25/2008 |
| 7303605 | Snap together filter A fluid filter is provided with a snap-together housing for the filter media. The housing is designed with two main parts that are easily snapped together to encapsulate the filter media. The filter housing is substantially cylindrical, and contains an inlet on one ... | 12/04/2007 |
| 7252988 | Straw for the conservation of small quantities of substances, in particular biological liquids A straw (1) for the conservation of small quantities of substances, in particular biological substances, having a segment of tube provided inside one end with a stopper including gel powder, characterized in that a proportion of the gel powder is replaced wit... | 08/07/2007 |
| 7056727 | Straw for the conservation of small quantities of substances, in particular biological liquids A straw (1) for the conservation of small quantities of substances, in particular biological substances, the straw having a segment of tube (2) provided, inside one end, with a stopper (3) including gel powder, characterized in that the straw st... | 06/06/2006 |
| 7000806 | Fluid dispenser having a housing and flexible inner bladder A dispenser for dispensing a fluid includes a rigid vial that has a main fluid chamber containing a fluid, and a pump assembly that is in fluid communication with the main fluid chamber and is configured to dispense a predetermined quantity of fluid from the main fl... | 02/21/2006 |
| 6966443 | Paraffin filter element A paraffin filter for a paraffin spa includes a first end cap and a second end cap with a filter medium sandwiched therebetween. Each end cap is disk-like body having a respective tubular connection for the input or output of melted paraffin, thus providing a low pr... | 11/22/2005 |
| 6955700 | Snap together filter A fluid filter is provided with a snap-together housing for the filter media. The housing is designed with two main parts that are easily snapped together to encapsulate the filter media. The filter housing is substantially cylindrical, and contains an inlet on one ... | 10/18/2005 |
| 6482362 | Membrane filtered pipette tip An apparatus and method of manufacture for a pipette tip having a membrane filter includes a pipette tip having an interior annulus for receiving an exterior perimeter of the membrane filter. A shear plate overlying the pipette tip defines an aperture hav... | 11/19/2002 |
| 6117394 | Membrane filtered pipette tip An apparatus for a pipette tip having a membrane filter includes a pipette tip having an interior annulus for receiving an exterior perimeter of the membrane filter. A shear plate overlying the pipette tip defines an aperture having a dimension equal to t... | 09/12/2000 |
| 5895762 | Apparatus and method for handling fluid samples of body materials A system for handling a body specimen is described for particular use in the handling of fecal specimen which are to be treated with a stain for enhancing its visibility. The system includes dual optical viewing chambers mounted alongside of each other on... | 04/20/1999 |
| 5891397 | Slide assembly A glass slide enclosure assembly is described with which fluid couplings can be conveniently made between the enclosure and elongate plastic tubes. Heat shrink conduits are provided and placed around end segments of the glass enclosure and ends of the pla... | 04/06/1999 |
| 5851491 | Pipette tip and filter for accurate sampling and prevention of contamination A filter for a pipette tip is provided, comprising a plurality of vertically-oriented cylindrical micro fibers cohesively bundled in adjoining columns which are composed of a core of an autoclavable material and an outer coating of a hydrophobic material.... | 12/22/1998 |
| 5580529 | Aerosol and liquid transfer resistant pipette tip apparatus A baffle assembly (23) positioned between a pipetter assembly (10) and a disposable pipette tip (16) for substantially reducing transfer of aerosol and/or fluid specimens to the pipetter. The baffle assembly (23) includes a barrier structure (25) extendin... | 12/03/1996 |
| 5510083 | Pipetting aid The invention relates to a pipetting aid for exerting suction on liquids. The usual previous "Peleusball" has disadvantages when handling and with regard to washing out. The object of the invention is to create a pipetting aid through constructive change,... | 04/23/1996 |
| 5496523 | Filtered micropipette tip for high/low volume pipettors A micro volume, filtered pipette tip device useful with either of two respective pipettors comprising (i) a manual or electronic, air displacement pipettor operable within the approximate range of 0 to 20 microliters and having a relatively long insert ti... | 03/05/1996 |
| 5393494 | Apparatus for drawing fluid sample, components thereof, and slide assembly for use therewith An apparatus for drawing a specimen of a body fluid, such as urine from a sample tube. The specimen is drawn through a reusable slide assembly for examination. The slide assembly includes a glass enclosure shaped to provide a viewing chamber for use with ... | 02/28/1995 |
| 5248480 | Apparatus for drawing fluid sample and components thereof An apparatus for drawing a specimen of a body fluid, such as urine from a sample tube. The specimen is drawn through a slide assembly for examination. A sample tube with a special plug and ball valve is described to provide a solids collection chamber wit... | 09/28/1993 |
| 5209128 | Safety pipette and adaptor tip A safety pipette is characterized in that an openable seal (6) is present within the pipette, necessitating the use of a forcing element (9) to hold the seal in an open position in order to use the pipette. Pipette inserts provide the seal in standard pip... | 05/11/1993 |
| 5019349 | Pipe for measuring erythrocyte sedimentation rate In a pipe 1 for measuring erythrocyte sedimentation rate, a sealing plug body 3, made of synthetic resin material which passes air but swells when water is absorbed thereby, is inserted into the pipe 1 in such a manner that the lower surface of the plug b... | 05/28/1991 |
| 4900515 | Arrangement for determining blood cell sedimentation rate An arrangement for determining the blood cell sedimentation rate, comprising a pipette having at the upper end thereof a levelling device; a tube and a plunger sealingly engaging the outside wall of the pipette and having a diameter generally the same as ... | 02/13/1990 |
| 4111807 | Mouth filter for use with pipettes In accordance with the invention there is provided a mouth filter for use with pipettes to insure that none of the liquid or any of the bacteria in the liquid being drawn into the pipette reach the mouth of the technician applying the suction. The filter ... | 09/05/1978 |
| 3995496 | Disposable mouth guard for pipettes The disposable mouth guard prevents the flow of liquid into the user's mouth. It comprises a tubular sleeve of polyethylene formed with a trio of internal flexible or resilient ribs having an annular configuration disposed nearer one end of the sleeve, th... | 12/07/1976 |
| 3982538 | Safety valves for protection against liquid contamination A safety valve which may be used in a pipette or in medical or biological equipment such as collection bottles, employs a carrier which is inserted in a flow line and contains a material which swells in the presence of an unwanted fluid to block the line ... | 09/28/1976 |
