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System for magnetically attaching templeless eyewear to a person
A system of eyewear that eliminates the need for hinges on the frames of the eyewear.
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| Number | Title | Issue Date |
| 7758758 | Method for treating acidic waters using recycled acidic and basic sludges A method for removing metals from metal-containing acidic mine wastewater uses a basic sludge produced by the method for treating the wastewater. The wastewater is mixed with a lime slurry and with the basic sludge. This mixture is allowed to separate into an aqueou... | 07/20/2010 |
| 7572308 | Mechanical system for installing and removing contacting devices from a chemical process tower An apparatus for installing and removing candles from a packed tower comprises a rail or series of rails attached to the inside of the top of the vessel. The rail(s) may be supported from either the roof or walls of the tower. A traveler assembly is supported on the... | 08/11/2009 |
| 7419605 | Method for treating metal-contaminated water and soil A method for removing metal contaminants from water uses lignin derivatives, such as lignosulfonates and kraft lignin, a coagulant, such as a metal salt, and a pH-increasing composition. The lignin derivative is dispersed in the contaminated water, the coagulant is ... | 09/02/2008 |
| 7033507 | Method for removing metals from acid mine drainage A method for removing metal contaminants from acidic mine wastewater using lignin derivatives, such as lignosulfonates and kraft lignin, an alkali coagulant, such as a lime compound, and an alkaline composition for increasing the pH. The lignin derivatives are dispe... | 04/25/2006 |
| 6468429 | Apparatus and method for controlling liquor circulation flow in long vertical shaft bioreactors This application relates to improvements to long vertical shaft bioreactors for the aerobic biological treatment of wastewater and aerobic digestion of biodegradable sludges. The invention comprises a flow control device and method which improves hydrauli... | 10/22/2002 |
| 6288289 | Integrated effluent treatment process for nitroaromatic manufacture An integrated process for treating alkaline wash water effluent from nitroaromatic manufacture, principally containing nitro-hydroxy-aromatic compounds is described. The integrated process concentrates the alkaline wash water to recover chemicals and wate... | 09/11/2001 |
| 5890531 | Apparatus for the self-cleaning of process tubes Periodic self-cleaning apparatus of use in combination with a process tube which receives a process fluid therethrough such as a tubular reactor to form a looped system having a launching and receiving chamber for a cleaning device or pig which is propell... | 04/06/1999 |
| 4994242 | Jet impingement reactor An apparatus to allow reaction in the liquid phase. The apparatus is a vessel having a baffle. There are openings in the baffle through each of which a liquid passes as a jet. Neighboring openings are sufficiently close to allow impingement of the jets th... | 02/19/1991 |
