| Patent Number |
Title Of Patent |
Date Issued |
| D370263 |
Bioreactor |
May 28, 1996 |
|
| 5763275 |
Method and apparatus for co-culturing cells |
June 9, 1998 |
| The method relates to the co-culturing of two cell cultures in two cell culture chambers such that the cellular products produced by the co-cultured cells are exchanged between the two cell culture chambers. The apparatus for culturing the cells contains two cell culture chambers sep |
| 5735587 |
Climatic cabinet, turntable and use of the turntable |
April 7, 1998 |
| A climate cabinet, turntable and use of the turntable. The climatic cabinet (1) can be loaded automatically and manually and has a conventional door (3) and a controllable door (2) as well as a turntable (4) which is connected via a releasable coupling (9) disposed in the interior of the |
| 5725123 |
System for closing containers |
March 10, 1998 |
| The present invention concerns a system for closing cylindrical containers, such as Petri dishes, for example, with a cover cap whose cover apron presses against the outer surface of the lateral wall of the container. In particular, the present invention provides a cylindrical container |
| 5715731 |
Balancing device for a rotating body |
February 10, 1998 |
| In order to achieve a mechanically simple, reliable, and independent balancing device for compensation of an unbalance in a rotating body without the need for a supply of a fluid from outside the rotor nor an adjustment of nozzles to insert the fluid, the balancing device features a |
| 5702945 |
Culture vessel for cell cultures on a carrier |
December 30, 1997 |
| The purpose of the present invention is to attain optimal gas exchange, nutrient supply and disposal of metabolic waste products without contamination during high-density cell cultivation of adherent cells. The culture vessel of the present invention provides methods and apparatus for |
| 5686301 |
Culture vessel for cell cultures |
November 11, 1997 |
| A cell culture vessel which permits gentle but vigorous intermixing and suspending of the cell culture during rotation. The culture vessel features a cell mixing and suspending device combined with a gas exchange membrane such that ample gas exchange occurs without the need to feed o |
| 5662521 |
Safety work bench with arm rest |
September 2, 1997 |
| A safety work bench with a work opening, whose lower boundary is formed by a boundary plate in which ventilation openings are arranged for the generation of a vertical air current, has at least one arm rest installed in the lower area of the work opening. In order to create a safety work |
| 5659136 |
Method and device for determining an imbalance and application of the device |
August 19, 1997 |
| In order to determine an imbalance of a rotor caused to turn by means of a driving arrangement, imbalance-produced deflections or accelerations of the driving arrangement, spring-loaded with respect to a stationary housing, are determined and relayed as an electrical signal to an eva |
| 5576211 |
Modular culture vessel for cell cultures |
November 19, 1996 |
| Culture vessels for cell cultures having at least one cell culture chamber containing a cell culture mixture that is separated by a dialysis membrane from a nutrient medium in a nutrient supply chamber. Nutrients are transported through the dialysis membrane into the cell culture chamber |
| 5520173 |
Ventilation bag |
May 28, 1996 |
| A ventilation bag for a manually operable ventilation device for the artificial ventilation of humans. The bag is made of an elastic, gastight material in the form of an elongated hollow body, with an essentially circular cross section perpendicular to its longitudinal axis with grip |
| 5375049 |
Surgery lamp |
December 20, 1994 |
| In a surgery lamp with at least one arm which is divided by several uniaxial joints consisting of several parts, a lamp head being fastened to its one end, and its other end is held stationary, the arm has a spring counterbalance for counterbalancing the lamp head when it is moved; the |
| 5334905 |
Immersible lamp for a photochemical reactor |
August 2, 1994 |
| An immersible lamp for use in a photochemical reactor has an outer bulb (10) surrounding an inner discharge tube (1) which can be cooled by a flow of inert gas such as nitrogen from a supply chamber (23) though hollow guide rods (6, 7) into a remote end (27) of the outer bulb, and back o |
| 5327049 |
Electrodeless low-pressure discharge lamp with plasma channel |
July 5, 1994 |
| An electrodeless low pressure discharge lamp, preferably filled with deuterium gas, is provided with a cylindrical envelope made from quartz glass and surrounded by a cylindrical excitation coil driven at between 10 and 800 MHz. Within the lamp envelope, there is provided a cylindrical |
