Bizarre Patents
A method to tenderize meat with an explosive shockwave.
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 |
| 5554208 | Enhanced gas separations and zeolite compositions therefor Pressure swing adsorption of air and other gas separation operations are carried out using specific preferred zeolite adsorbent compositions based on the symmetry of the framework atoms and cations therein. Specific SiO2 /Al2 O3... | 09/10/1996 |
| 5540057 | Volatile organic compounds recovery from vent gas streams A vent gas stream containing volatile organic compounds is passed continuously through a condenser in counter-current flow with respect to cold clean vent gas combined with a cryogenic refrigerant. The volatile organic compounds are condensed at various t... | 07/30/1996 |
| 5538544 | Adsorption flow distribution A non-uniform graded ball adsorbent bed support is employed in the head section of an adsorption vessel to achieve a uniform flow of gas to the adsorbent bed. The open areas of an inlet gas distributor are also varied to channel gas toward the edge portio... | 07/23/1996 |
| 5536299 | Simultaneous step pressure swing adsorption process Process swing adsorption processes for gas separation are carried out using overlapping pressure swing adsorption, feed gas repressurization and desorption steps. The adsorptive capacity of the system employed is increased, unit power consumption is decre... | 07/16/1996 |
| 5536875 | Enhanced oxidation of organic chemicals Organic chemical oxidation reactions are carried out using pure or nearly pure oxygen and evaporative cooling. Advantageous operating results are achieved thereby, and the oxidation of organic chemicals resulting in the production of solid products or byp... | 07/16/1996 |
| 5523474 | Terephthalic acid production using evaporative cooling The oxidation of p-xylene to produce terephthalic acid is carried out using pure or nearly pure oxygen and evaporative cooling. By-product and waste generation are reduced, oxygen utilization is enhanced, desirable operating conditions are employed, and t... | 06/04/1996 |
| 5518526 | Pressure swing adsorption process A pressure swing adsorption process employs a simultaneous equalization and evacuation step followed by simultaneous feed and product gas repressurization steps, resulting in faster processing, and a reduction in power requirements, in the recovery of oxy... | 05/21/1996 |
| 5476115 | Automatic gas blending system A tracer gas and a carrier gas, such as helium and nitrogen, are blended using flow restrictive orifices in the flow lines for each gas. A process controller is used for automatic adjustment of a control valve in the tracer gas flow line in response to va... | 12/19/1995 |
| 5453112 | Pressure swing adsorption heat recovery Waste heat generated within a pressure swing adsorption system is effectively captured and utilized to preheat the feed gas passing to a feed gas blower for compression to the desired adsorption pressure level. The energy efficiency of the system, and ove... | 09/26/1995 |
| 5451383 | Lithium recovery In the production of lithium-exchange adsorbents, lithium recovery from spent ion-exchange solutions is achieved with advantageous secondary recovery of lithium from zeolite wash liquor and precipitate salts by ion-exchange means.... | 09/19/1995 |
| 5451349 | Advanced gas control in gas-liquid mixing systems Sloped inner and outer conical baffles are provided in a gas-liquid mixing system having a recirculating portion of a body of liquid, separated from a quiescent portion of the body of liquid and an overhead gas phase, precluding the collection of gas unde... | 09/19/1995 |
| 5451348 | Variable liquid level eductor/impeller gas-liquid mixing apparatus and process Apparatus and process for dissolving a gas in a liquid such as a hot edible oil for deodorizing, hydrogenating or other purposes. The invention comprises recirculating the liquid from a closed container, through an eductor and back into the liquid, and co... | 09/19/1995 |
| 5443728 | Method of preparing membranes from blends of polyetherimide and polyimide polymers Improved fluid separation membranes are prepared from the blends of polyetherimide with phenylindane containing polyimides, wherein the amount of phenylindane containing polyimide in the blend is low. The present invention provides for highly anisotropic ... | 08/22/1995 |
| 5441581 | Process and apparatus for producing heat treatment atmospheres An endogenerator is provided in which CO and H2 are generated as primary products of hydrocarbon oxidation. Noble metal catalysts such as platinum (Pt) and particularly rhodium (Rh), are loaded on a porous ceramic support, of example, an alumin... | 08/15/1995 |
| 5441557 | Enhanced gas separations and zeolite compositions therefor Pressure swing adsorption air and other gas separation operations are carried out using specific preferred zeolite adsorbent compositions based on the symmetry of the framework atoms and cations therein. Specific SiO2 /Al2 O3 | 08/15/1995 |
| 5431545 | Pumper system for in-situ pigging applications A pumper system is adapted to enable pumps to be switched between parallel operation, for the high flow conditions normally desired for in-situ pigging operations within a line to be cleaned, and series operation, for the high pressure conditions needed i... | 07/11/1995 |
| 5427303 | Fluxless solder coating and joining An essentially fluxless solder joining process comprises a solder coating to be applied to a surface under controlled pressure conditions enabling the volume and shape of the solder to be desirably controlled. Coatings produced by essentially fluxless pro... | 06/27/1995 |
| 5425801 | Membrane nitrogen with temperature tracking Advanced membrane compositions having high permeability characteristics, and optimal operating temperatures above ambient during only a portion of the year, are operated with a controlled reduction in operating feed air pressure under rising ambient tempe... | 06/20/1995 |
| 5422044 | Method and apparatus for mixing a cold gas with a hot liquid A gas injection and heating device and method for the bubbling of a gas into a body of hot liquid to be interacted with the gas. The device comprises an elongate heat exchange gas container, designed to be immersed in the hot liquid to pre-heat the gas in... | 06/06/1995 |
| 5419857 | Thermal removal of binders from ceramic-particle bodies A process for removing binder from a body comprising ceramic particles and binder by heating the body at a substantially constant rate of temperature rise over the temperature range where a peak rate of body weight loss occurs in a gaseous environment of ... | 05/30/1995 |
| 5415683 | Vacuum pressure swing adsorption process A trans-atmospheric pressure swing adsorption process is carried out using product gas for purge and partial repressurization in the production of oxygen from air. No transfer of gas is made directly from one bed to another, as for pressure equalization p... | 05/16/1995 |
| 5411580 | Oxygen-separating porous membranes Oxygen-separating porous membranes comprise a complex of (a) a transition metal (II) ion, (b) a ligand, and (c) an aromatic amine, retained in the pores of a substrate.... | 05/02/1995 |
| 5407465 | Tuning of vacuum pressure swing adsorption systems Vacuum and other pressure swing adsorption vessels are monitored, and corrective adjustments are made in the pressure equalization and/or repressurization steps in response to imbalances in the temperature profiles of the vessels in order to tune the syst... | 04/18/1995 |
| 5395096 | Drop-in furnace lining A cast refractory and back-up insulation are positioned on a lifting frame for convenient placement in, and removal from, the furnace shell of an aluminum or other metal refining system. Furnace lining replacement is thereby readily accomplished at the op... | 03/07/1995 |
| 5378263 | High purity membrane nitrogen Multi-stage membrane systems are arranged so that, with the same number of modules and compressors, mixing losses upon combining recycle and feed streams are minimized. Membrane surface area and power requirements are reduced thereby.... | 01/03/1995 |
| 5371283 | Terephthalic acid production Oxygen or an oxygen-rich gas is used in the production of terephthalic acid in a reaction system that mitigates the flammability hazards associated therewith. Lower reactant and solvent consumption is achieved, with lower production of unwanted by-product... | 12/06/1994 |
| 5370728 | Single bed pressure swing adsorption system and process A single bed, air separation PSA system utilizes an external product surge tank to supply product oxygen and purge gas to the adsorbent bed. An equalization tank supplies void space gas to the bed for repressurization purposes.... | 12/06/1994 |
| 5356600 | Oxygen enrichment method and system In systems in which air is introduced into a liquid as a source of oxygen, additional oxygen added independent of the feed air enhances the oxygen content of the liquid source significantly than if the same amount of additional oxygen were combined with t... | 10/18/1994 |
| 5356459 | Production and use of improved composite fluid separation membranes Multilayer composite membranes are produced in a one-step coating process that provides an interior gas separation layer and an external defect sealing layer.... | 10/18/1994 |
| 5324159 | Particle loader A uniformly packed bed of adsorbent particles is formed using a particle loader adapted to provide a uniform flow of adsorbent particles across the cross sectional area of an adsorption vessel.... | 06/28/1994 |
| 5318759 | Membrane/PSA-deoxo process for nitrogen production A deoxo unit is operated with excess oxygen to produce high purity nitrogen from a partially purified stream passing from a membrane or pressure swing adsorption unit. Essentially complete fuel utilization is achieved in applications in which essentially ... | 06/07/1994 |
| 5302325 | In-line dispersion of gas in liquid The dispersion of a gas in a liquid is enhanced by accelerating a gas/liquid mixture to supersonic velocity, with subsequent deacceleration, in a conical in-line mixer.... | 04/12/1994 |
| 5275385 | Rotor speed control for an aluminum refining system The rotor drive of an aluminum refining system is operated under constant current, rather than at constant rotor speed. As a result, smooth, stable refining operations are conveniently achieved in commercial practice.... | 01/04/1994 |
| 5266169 | Apparatus for separating and recycling cleaning particles for cleaning furnace tubes A center transfer unit positioned between a solids collection chamber and a cleaning particle vessel contains vibrating inclined screens to separate chunks of waste solids from cleaning particles recycled to the cleaning particle vessel.... | 11/30/1993 |
| 5255840 | Fluxless solder coating and joining An essentially fluxless soldering process enables a solder coating to be applied to a surface under controlled pressure conditions enabling the volume and shape of the solder to be desirably controlled. Coatings produced by essentially fluxless processes ... | 10/26/1993 |
| 5244603 | Enhanced gas-liquid mixing under variable liquid operating level conditions A gas-liquid mixing system employs an impeller/draft tube assembly submerged in liquid. Hollow eductor tubes affixed to the impeller drive shaft are used to flow gas from an overhead gas space to the liquid in the vicinity of the assembly. The positioning... | 09/14/1993 |
| 5244466 | Oxygen bleaching of textiles Textile bleaching operations are enhanced by passing the cloth being treated alternately between an aqueous hydrogen peroxide solution and an oxygen-containing head space.... | 09/14/1993 |
| 5241816 | Gas turbine steam addition The output of gas turbines is enhanced by gas moisturization using a water contact tower and a pumped water recirculation loop with low pressure steam addition thereto.... | 09/07/1993 |
| 5234202 | Gas dispersion apparatus for molten aluminum refining The maximum useful rate of aluminum refining is substantially increased by the incorporation of baffle means across the refining chamber under the rotor of a spinning nozzle assembly positioned in the refining chamber during aluminum refining operations.... | 08/10/1993 |
| 5231835 | Liquefier process Dual turbine-booster compressor units are arranged for advantageous liquefaction operations using high pressure heat exchangers.... | 08/03/1993 |
