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| Number | Title | Issue Date |
| 7536907 | Illuminated rain gauge An illuminated rain gauge comprising an elongated, transparent collection vessel or tube having upper and lower ends with the lower end thereof being closed by a plug and which has a funnel-shaped collector at the upper end thereof. The plug has a battery compartmen... | 05/26/2009 |
| 7181961 | Precipitation collecting gauge A precipitation gauge including a clear elongated outer cylinder and an opaque or translucent inner member disposed longitudinally in the outer cylinder to define a tubular water receiver in the space between the cylinder and the inner member and markings disposed a... | 02/27/2007 |
| 6789417 | Method for sensing evaporation of a liquid A magnetostrictive precipitation gage includes a catch tube having an upper opening configured to receive precipitation therein. A vertical magnetostrictive rod and corresponding magnetic float linearly displaceable thereon are used to determine the fluid level with... | 09/14/2004 |
| 6609422 | Rain gauge with horizontal indicator A rain gauge includes a cylindrical rain holder having a float in the rain holder and a rainfall value indicator arranged so that as the float moves vertically in the rain holder a pointer moves circumferentially to indicate the amount of rainfall. A cove... | 08/26/2003 |
| 6490917 | Magnetostrictive precipitation gage A magnetostrictive precipitation gage includes a catch tube having an upper opening configured to receive precipitation therein. A vertical magnetostrictive rod and corresponding magnetic float linearly displaceable thereon are used to determine the fluid... | 12/10/2002 |
| 6401530 | Rain sensor A rain sensor is described comprising a tray for the collection of rain water provided on top with evaporation and overflow side windows covered by a perforated cover. A finned float is housed in said tray so as to be able to move vertically as a function... | 06/11/2002 |
| 6169487 | Severe storm warning system A severe storm warning system includes an atmospheric pressure sensor utilizing an air-filled chamber with a first pressure sensor mounted between the interior of the chamber and the atmosphere and being located within the chamber interior and a second pr... | 01/02/2001 |
| 5532679 | Oil spill detection system An oil spill detection system to detect and track oil spills and transmit data to a remote monitoring center comprising a buoyant detection platform including at least one detection sensor to detect the presence of hydrocarbons in the water adjacent the b... | 07/02/1996 |
| 5245874 | Total precipitation gauge with float sensor A total precipitation gauge (10) incorporates a float gauge (16) extending downward to a liquid level (18) in a precipitation storage container. The float gauge (16) is formed with an elongate stillwell (20) extending into the liquid level (18), a float e... | 09/21/1993 |
| 4836018 | Rain gauge with improved syphon discharge An improved rain gauge in which a large rain collector feeds collected rain into a receptacle having 1/5 the cross-sectional area, and in which a float and counterweight connected by a flexible strand passing over a pulley mechanism creates electrical imp... | 06/06/1989 |
