Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7899514 | Medical image processing methodology for detection and discrimination of objects in tissue A method and system for detecting and classifying anomalies in a medical image. During anomaly detection, once the intensity of an image pixel crosses a detection threshold, the pixel is detected and linking inputs are provided to its nearest-neighbor pixels. The li... | 03/01/2011 |
| 7757757 | In-well baffle apparatus and method A baffle apparatus and method for use in a well to mitigate convective in-well flow. The baffle apparatus includes a baffle member attached to a rod. The baffle member prevents vertical flow of water in the well after the baffle apparatus is deployed in the well. At... | 07/20/2010 |
| 7687028 | Sequential, time-integrated collector of precipitation, ground water, and surface water for analysis of isotopes A sequential, time-integrated collector having an electronic controller that actuates either of two electrically-actuated valves, each connected to a water reservoir. At a preset time interval (e.g., every 30 minutes), time-integrated water samples are transferred i... | 03/30/2010 |
| 7631705 | Enhanced screen auger sampling system A removable plug and collar for a hollow stem screened auger and a method of collecting water samples using the plug and collar. The plug has an outer threaded surface that is threaded in a first direction. The top of the plug has an internal threaded cavity that is... | 12/15/2009 |
| 7294275 | Method of removing phosphorus from wastewater A method of and system for removing phosphorus from wastewater using a waste sludge that has a high affinity for phosphorus. So the waste sludge can be used in a flow-through contact reactor to remove the phosphorus from a wastewater stream, the waste sludge is pell... | 11/13/2007 |
| 7264777 | Measurement of surface areas by polyvinylpyrrolidone sorption A method of quantitatively determining surface area of a sample uses polyvinylpyrrolidone (PVP) dispersed in a solution containing the sample, and determining the amount of PVP that has deposited on the sample. ... | 09/04/2007 |
| 7189366 | Molecular tag reader Near infrared molecular assays can be used to detect small quantities of a molecule of interest in vivo or in vitro using laser dyes. A hand-held portable device is provided which can rapidly read small quantities of selected molecular tags in tissues of fish or oth... | 03/13/2007 |
| 7162923 | Adjustable floating open-water evaporation pan An improved evaporation pan assembly having at least three float assemblies attached to the outer side wall of a circular shaped evaporation pan located in 120 degrees increments. An anchor assembly is included having a steel pole driven into the bed sediment. An op... | 01/16/2007 |
| 7159851 | Apparatus for deploying and retrieving water sampler An apparatus includes a bi-directional DC motor; a gear reducer connected to the DC motor; a pulley mounted on an output of the gear reducer; an anti-back drive brake mounted on the output of the gear reducer; a reel wound with cable; a second pulley attached to the... | 01/09/2007 |
| 7157059 | Reduction device for nitrate determination A nitrate reduction device has a cadmium structure forming a plurality of longitudinal channels within a flow chamber, which may be formed by a plurality of wires. The device is used to reduce nitrate to a final nitrite product for analysis. ... | 01/02/2007 |
| 7108769 | Solar distillation loop A solar distillation loop apparatus includes a first pipe section disposed on a ground surface, the first pipe section including a substantially straight portion and elevated portions on each end of the substantially straight portion, an impure water inflow coupling... | 09/19/2006 |
