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| Number | Title | Issue Date |
| D636878 | Filter for an anesthetic hose | 04/26/2011 |
| D627067 | Dust filter guard with a removable filter | 11/09/2010 |
| D623300 | Filterplate | 09/07/2010 |
| D583058 | Kidney stone collection device | 12/16/2008 |
| 7332096 | Blood filter assembly having multiple filtration regions A filtration medium is sealed within a housing. The filtration medium is sized and configured to define multiple filtration regions within the housing, through which independent, though concurrent, blood filtration can occur. Each filtration region is served by its ... | 02/19/2008 |
| D556325 | Contoured nasal air purifier | 11/27/2007 |
| D535750 | Breathing filter | 01/23/2007 |
| 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 |
| 6913155 | Apparatus for trapping floating and non-floating particulate matter The present invention may include a separation tank with an outer chamber and an inner chamber positioned within the outer chamber. An inlet and an outlet may be in communication with the outer chamber. A first opening may provide access between the inner chamber an... | 07/05/2005 |
| D506551 | Filter | 06/21/2005 |
| 5288469 | Surgery plume filter device A filter device and method of filtering components from a surgery plume. The filter device is comprised of a plurality of elements which react with one or more components of a surgery plume, such as that generated during electrocautery or laser surgery. T... | 02/22/1994 |
| 5195527 | Respiratory filters A respiratory filter included in a respiratory system used in anaesthesia and/or patient ventilation, comprises a two-part housing 15 and 16 having coaxial ports 13 and 14 for connection to breathing tubes. Optionally a heat/moisture exchanger 25 spans th... | 03/23/1993 |
| 4964900 | Respirator filter means for removal of tritiated water A filter for a respirator for removal of tritiated water having a housing with fluid inlet and output ports. A filter chamber is interposed between and in communication with the inlet and outlet for containing the tritium filter medium. A tritium filter m... | 10/23/1990 |
| 4956085 | Filter plate, filter plate element and filter comprising same A filter plate which is longitudinally partitioned between its inlet and outlet ends, and features liquid feed and collection troughs at the respective ends which are of progressively decreasing depth from the medial part of the trough to the extremities ... | 09/11/1990 |
| 4882050 | Filter plate, filter plate element, and filter comprising same A filter plate which is longitudinally partitioned between its inlet and outlet ends, and features liquid feed and collection troughs at the respective ends. Such plates may be associated in opposed, relatively inverted pairs to form enclosed flow channel... | 11/21/1989 |
| 4715850 | Therapeutic agent delivery system and method A method and apparatus for controllably administering a therapeutic agent to a patient is disclosed. The method and apparatus uses an electromotive force between an anode and a cathode to cause the therapeutic agent to migrate through a semipermeable memb... | 12/29/1987 |
| 4706663 | Particle catcher for inhalation devices The present invention is a particle catcher for reducing the velocity of aerosol medications discharged from an inhalation device and the amount of large particle droplets entrained therein. A screen supportable with respect to the aerosol discharge of th... | 11/17/1987 |
| 4678576 | Reusable filter unit with recoverable filter membrane A reusable laboratory filter unit having a recoverable filter member. The unit has an upper body or reservoir for receiving the liquid to be filtered and a lower body or receptacle for receiving filtrate. A plate for supporting the filter membrane is capt... | 07/07/1987 |
| 4490254 | Blood filter This invention relates to a blood filter assembly in which blood enters at the bottom end of the assembly, is directed in spirally upward path and then passes through a filter medium. After passing through the filter medium, the blood flows downwardly out... | 12/25/1984 |
| 4411783 | Arterial blood filter with improved gas venting A novel liquid filter of the "outside-in" type is disclosed, comprising a hollow tubular housing, a concentrically disposed perforated tubular core surrounded by a cylindrical filter element and communicating with a liquid outlet in the bottom wall of the... | 10/25/1983 |
| 4341538 | Intravenous filter A filter for intravenous solutions including a flat, rectangular housing formed of two pieces sandwiching a filter sheet diagonally from end to end with support ribs on one side of the sheet and luer connections in the large end of each piece of the housi... | 07/27/1982 |
| 4304670 | Blood filter with air trap and distributing chamber A blood filter device has a housing including a frame, which is provided at opposite ends with an inlet and an outlet and extends in a plane containing a line connecting the inlet and outlet, and a pair of side plates extending on opposite sides of the fr... | 12/08/1981 |
| 4253967 | Blood treating method A method of receiving retrieved blood from the surgical field of a patient and treating the blood so that it is in condition for direct or indirect return to the patient. The method treats a relatively large volume of blood, which when received in a housi... | 03/03/1981 |
| 4243531 | Cardiotomy reservoir A reservoir for blood or the like in which a rigid casing, having a perforated tubular member positioned within the casing and extending between the ends thereof, carries filtering and blood defoaming means. An improved configuration of inlet aperture mea... | 01/06/1981 |
| 4187182 | Box filter A disposable box filter is provided comprising a box housing in at least two portions and having a fluid chamber with two fluid ports, and a filter element in corrugated sheet form extending across the fluid chamber, held by the housing across the line of... | 02/05/1980 |
| 4170056 | Blood filter A filter for blood and the like including a housing defining an inlet for fluids to be filtered, and an outlet for filtered fluid, plus a stack of filter pads of thermoplastic fibers positioned within the housing. According to one aspect of this invention... | 10/09/1979 |
