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| Number | Title | Issue Date |
| 5495854 | Self-testing device for measuring urinary flow rates A device, a kit of devices, and a method for providing an individual with a means of self-testing for urinary tract obstructions and bladder condition in a simple and inexpensive manner.... | 03/05/1996 |
| 5483830 | Method and apparatus for measuring a liquid flow using a siphon unit and an aerating duct The invention provides a measuring apparatus for measuring small liquid flows, particularly in the medical sector. The measuring apparatus comprises a siphon unit as a liquid flow sensor, a measuring chamber being located in its retention area. As soon as... | 01/16/1996 |
| 5263370 | Liquidometer A liquidometer composed of a siphon for emitting a sample liquid stored in a reservoir and a liquid level sensor for sensing the level of the sample remained in the reservoir. The siphon further includes a pair of sensors for counting the number of emissi... | 11/23/1993 |
| 4911891 | Sample monitoring instrument for on-line application An apparatus and method for on-line monitoring of a characteristic of a process liquid stream includes a cell for isolating a precise volume of the liquid. There are provided means for over-filling a sample chamber and means for removing the excess from t... | 03/27/1990 |
| 4910151 | Sample monitoring instrument for on-line application An apparatus and method for on-line monitoring of a characteristic of a process liquid stream includes a cell for isolating a precise volume of the liquid. A sample chamber is over filled and the excess removed from the chamber by using a downwardly exten... | 03/20/1990 |
| 4683748 | Method and apparatus for measuring dynamic fluid flow rate A method and apparatus for measuring a dynamic flow rate of a bodily fluid in which the rate of flow is constantly changing includes an inlet to a chamber where flow accumulates. The accumulating fluid is in communication with the base of a sealed vertica... | 08/04/1987 |
| 4589280 | Fluid flow meter utilizing pressure sensing An improved fluid flow meter for measuring a liquid flow rate is disclosed. It comprises a container having an interior cavity, an inlet opening, a vent opening, a first passageway and a second passageway. The first passageway has an upper opening which i... | 05/20/1986 |
