Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6715290 | Fluid mixture separation by low temperature glide heat Apparatus and process for distilling a fluid mixture using low temperature glide heat are disclosed. A substantial portion of the glide heat is at a temperature lower than the peak distillation temperature. The disclosure achieves a maximal amount of distillative ef... | 04/06/2004 |
| 6375805 | Apparatus and process for purifying a liquid An improved continuous process and apparatus for treating an impure liquid to produce purified liquid, particularly, water, the process having an electrically activating a thermoelectric module to provide a first heated surface and a cooler surface; feedi... | 04/23/2002 |
| 6245218 | System and method to effectuate and control coker charge heater process fluid temperature A system and method to improve the efficiency of delayed coker charge heating by effecting and controlling the temperature of a coker process fluid, prior to its introduction to a coker charge heater. In its preferred embodiment, the instant invention str... | 06/12/2001 |
| 6123909 | Method and apparatus for purification of argon A process for purifying argon to obtain a high-purity argon from argon gas containing at least nitrogen, carbon monoxide, oxygen, and methane, including a first step of adding air or oxygen to the argon gas in an amount sufficient to oxidize the contained... | 09/26/2000 |
| 5792428 | Apparatus for conducting exothermic reactions An apparatus for oligomerization of C4 and C5 isoolefins or the etherification thereof with C1 to C6 alcohols wherein the reactants are contacted first in a partial liquid phase reactor (boiling point reactor) w... | 08/11/1998 |
| 5624534 | Volatiles separator and concentrator An apparatus and method for stripping volatiles from a feed stream and concentrating the volatiles in the overhead vapors forming a condensate product and simultaneously producing a low percent volatiles outlet stream as a concentrate product. The volatil... | 04/29/1997 |
| 5458739 | Volatiles separator and concentrator An apparatus and method for stripping volatiles from a feed stream and concentrating the volatiles in the overhead vapors forming a condensate product and simultaneously producing a low percent volatiles outlet stream as a concentrate product. The volatil... | 10/17/1995 |
| 5451300 | Process for stripping a volatile component from a liquid A process and apparatus for stripping a volatile component from a liquid. The volatile component is destroyed by exothermic reaction with an active component in the gas phase, typically over a catalyst. Heat generated by the reaction of the volatile and a... | 09/19/1995 |
| 5282365 | Packed column distillation system An improved packed column distillation system, which may be particularly advantageous for use with cryogenic distillation such as the cryogenic distillation of air, wherein external heat is provided at the column wall, especially at a stripping section of... | 02/01/1994 |
| 5176798 | System for removal and disposal of minor amounts of organics from contaminated water A system is disclosed for recovering and disposing of volatile organic contaminants, from water contaminated with organics, which system includes a pump to feed water from the body of contaminated water to the system, with indirect heat exchange and direc... | 01/05/1993 |
| 5061348 | Sulfuric acid reprocessor with continuous purge of second distillation vessel An apparatus and method for reprocessing waste piranha containing contaminated H2 SO4 from, for example, a semiconductor processing operation is described. The apparatus and method include a first distillation flask which is maintain... | 10/29/1991 |
| 4995945 | Counter-current gas-liquid contacting device A counter-current contacting device which includes a number of features which increase the efficiency and/or increase the pressure differential across the device is disclosed. Systems for reducing the alcohol content of an alcohol containing beverage or w... | 02/26/1991 |
| 4980032 | Distillation method and apparatus for reprocessing sulfuric acid An apparatus and method for reprocessing waste piranha containing contaminated H2 SO4 from, for example, a semiconductor processing operation is described. The apparatus and method include a first distillation flask which are maintai... | 12/25/1990 |
| 4869785 | Steam distillation apparatus A steam distillation apparatus is provided which has a column body, a head connected to one end of the column body which has a diameter larger than the column body, a sump connected to the other end of the column body and contact elements disposed within ... | 09/26/1989 |
| 4778566 | Energy-saving circuit for continuously operated distillation units The invention consists of an energy-saving circuit for rectification columns in continuously operated distillation plants and various embodiments of this circuit. Both the total dephlemation heat and the total waste heat of the depleted solution stream ca... | 10/18/1988 |
| 4680092 | Process for degassing, dehydrating and precut separation in straight-run distillation of crude fatty acids The invention concerns a process for the degassing, dehydrating and lower boiling component separation during straight-run distillation of crude fatty acids. The crude fatty acids are degassed in the degassing stage at such temperatures and pressures in c... | 07/14/1987 |
| 4678543 | Apparatus for producing ethanol Apparatus is provided for simultaneously producing various forms of alcohol, including ethanol, which can likewise be withdrawn from the apparatus simultaneously. To this end, successive columns in the individual processing stages, each of which includes ... | 07/07/1987 |
| 4657638 | Distillation column A stripping column is comprised of one or more mixing channels situated in parallel arrangement, each channel in the form of a zigzag strip through which liquid cascades in a series of falls alternating with a corresponding series of pools. Simultaneously... | 04/14/1987 |
| 4575403 | Apparatus for distilling phosphorus A continuous process for reducing the arsenic content of phosphorus is described in which the impure phosphorus is continually passed through a heat exchanger and heated to vaporize a portion of the phosphorus at a temperature not above 200° C., separati... | 03/11/1986 |
| 4539076 | Vapor compression distillation system A vapor compression distillation system for distillation of any two-component liquid mixture where separation of the more volatile from the less volatile component is required. This system achieves a very high efficiency through the use of vapor compressi... | 09/03/1985 |
| 4422903 | Anhydrous ethanol distillation method and apparatus An improved distillation method and apparatus are provided for recovering anhydrous ethanol from fermentation or synthetic feedstocks. The system includes at least one stripper-rectifier tower, a dehydrating tower, and an azeotropic agent stripping tower.... | 12/27/1983 |
| 4402792 | Apparatus for producing alcohol fuel An apparatus and method for producing alcohol fuel in an efficient and continuous manner are provided. The apparatus and method utilize otherwise lost heat to reduce the amount of heat required to convert feed stock into alcohol fuel. The apparatus and me... | 09/06/1983 |
| 4371424 | Latent heat recirculating system The latent heat of condensation released by condensing a process vapor is captured in a fluid contained in a latent heat recirculating system; the captured heat is returned by the fluid to the body of process liquid for continued vaporization.... | 02/01/1983 |
| 4308107 | Distillation process and apparatus for its realization A method and apparatus for distillation wherein the heat of partial condensation and the heat of evaporation are incrementally utilized as produced thus guiding the gaseous phase of the distillation along the dew-point line of the enthalpy-concentration d... | 12/29/1981 |
| 4295937 | Rectifier The rectifier having inserts for evaporation and condensation is constructed on the basis of modules (19). Each module has a distributor channel (5) for the liquid. The distributor channel (5) is positioned above the upper rim of an evaporater (1) incline... | 10/20/1981 |
| 4285774 | Microwave distillation An apparatus for continuously producing concentrated alcohol from beer comprises a plurality of concentrator cells and a plurality of salvage cells arranged in a line in side-by-side relation. Liquid beer, supplied to the first upstream concentrator cell ... | 08/25/1981 |
| 4265736 | Process and apparatus for reducing the energy required to separate liquids by distillation A method and apparatus are disclosed relating to the recovery and reuse of heat during fractionation of liquids in a tray-type fractionating tower. According to this method, a portion of the feed to the tower is directed through heat exchange tubing posit... | 05/05/1981 |
| 4233267 | Combined batch reactor system and continuous distillation apparatus Volatile reactants are heated under reflux in a reactor and form volatile reaction by-products which are continuously removed in a vapor effluent from a reflux column and partial condenser. The effluent, which entrains some of the reactants, is condensed ... | 11/11/1980 |
