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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7708941 | Liquid product pressure treatment method and device A method and device related to a liquid product pressure and (optionally) temperature treatment method reduces the level of microorganisms in the liquid product to a preselected level. Utilizing the method, liquid product is diffused in a chamber with the speed of p... | 05/04/2010 |
| 7211287 | Egg Products Presented herein are methods of treating egg products to increase shelf life, which include treating the egg products with high pressure. In addition, the egg products may be pasteurized before, during, or after the pressure-treatment. Optionally, the egg products m... | 05/01/2007 |
| 7189350 | Method of sterilizing medical instruments A pressure cleaning vessel is connected to a vacuum chamber by way of a connecting pipe in the sterilizing and cleaning equipment that utilizes a supercritical fluid. The objects to be treated are impregnated, for a given period, in the supercritical fluid with whic... | 03/13/2007 |
| 6939444 | Sulfur-bearing residue treatment system A sulfur-bearing residue treatment system is provided for the recovery of valuable organic components and the reduction of capital costs and operating costs. The treatment system involves the use of a stripping vessel in conjunction with a heating apparatus. All ele... | 09/06/2005 |
| 6939510 | Anti-protista preparation The present invention provides a sustained-releasing anti-protista preparation, including using a water-insoluble or difficulty water soluble and water-wettable polymer compound which is solid at room temperature as a sustained-releasing substrate material, a method... | 09/06/2005 |
| 6824751 | Device for sterilizing a chamber A device for cleaning and sterilizing the inside of a chamber, including a supply of sterilizing liquid for said chamber and a device for inducing variations in the pressure, amplitude, frequency and the gradient of said variations in the sterilizing liquid, whereby... | 11/30/2004 |
| 6767568 | Meat processing scheme A method and apparatus for processing meat is provided. According to the method, a meat product is positioned within an interior volume of a decompression chamber. A pressure differential is created across a gas output in communication with the interior volume of th... | 07/27/2004 |
| 6749809 | Clustered creature exterminating method A clustered creature exterminating method efficiently exterminates clustered creature such as cyanobacteria in large quantity with use of a pressure which is substantially lower than that of the conventional method. The exterminating method includes the steps of: pr... | 06/15/2004 |
| 6696019 | Rapid cryobaric sterilization and vaccine preparation The invention is based on the discovery that biological and non-biological materials can be sterilized, decontaminated, or disinfected by repeatedly cycling between relatively high and low pressures. Pressure cycling can be carried out at low, ambient, or... | 02/24/2004 |
| 6673311 | Method and apparatus for continuous heat sterilization of liquid A method for continuous heat sterilization of liquid includes a continuous pre-heating step of preheating the liquid, a final heating step of heating the preheated liquid to reach a predetermined sterilizing temperature, a holding step of holding the liqu... | 01/06/2004 |
| 6635223 | Method for inactivating micro-organisms using high pressure processing This invention is related to methods for inactivating micro-organisms using high pressure processing. A method is described for inactivating micro-organisms in a product using high pressure processing including the steps of packing said product in a flexi... | 10/21/2003 |
| 6613278 | Tissue pooling process This invention includes a novel method for safely, effectively and efficiently pooling of tissues for treatment prior to implantation into a recipient in need thereof. In one embodiment, the method includes perfusion of a porous implant which achieves eff... | 09/02/2003 |
| 6610251 | Method of sterilizing medical instruments A pressure cleaning vessel 1 is connected to a vacuum chamber P by way of a connecting pipe in the sterilizing and cleaning equipment which utilizes a supercritical fluid. The objects to be treated is impregnated, for a given period, in the supercritical ... | 08/26/2003 |
| 6471914 | Method for supercritical treatment of liquids and slurries A process for sterilization of a liquid in a continuous system comprising a series of steps. First the liquid is continuously pumped into a pressurized system. Second, the pressure on the liquid is increased in a first pressurization stage. Next, the liqu... | 10/29/2002 |
| 6426103 | Process of elimination of bacteria in shellfish and of shucking shellfish The invention relates to a process for eliminating pathogenic organisms and other bacteria from raw food products, such as raw shellfish, whereby the molluscan shellfish is exposed to hydrostatic pressure of relatively high value, for example between 20,0... | 07/30/2002 |
| 6270723 | Rapid cryobaric sterilization and vaccine preparation The invention is based on the discovery that biological and non-biological materials can be sterilized, decontaminated, or disinfected by repeatedly cycling between relatively high and low pressures. Pressure cycling can be carried out at low, ambient, or... | 08/07/2001 |
| 6162392 | Method and apparatus for super critical treatment of liquids A process for sterilization of a liquid in a continuous system comprising a series of steps. First the liquid is continuously pumped into a pressurized system. A process for sterilization of a liquid in a continuous system where, in the first step, the li... | 12/19/2000 |
| 6136609 | Method of and apparatus for processing high-pressure liquid material An apparatus for processing a high-pressure liquid material has a high-pressure vessel, a pressurizing assembly for supplying a liquid material to the high-pressure vessel in order to allow the high-pressure vessel to process the liquid material under a h... | 10/24/2000 |
| 6120732 | Microbial inactivation by high-pressure throttling Processes and apparati for inactivating microorganisms in flowing or pulsed liquids are provided. The processes consist of pressurizing the liquid and then depressurizing the liquid by directing it through one or more constrictions into an area of reduced... | 09/19/2000 |
| 6086723 | Process for cooling dispersions and liquids A process for deodorizing and subsequently cooling dispersions or liquids comprising a) passing steam through the dispersion or liquid to be cooled and held in a vessel (1), said dispersion or liquid being caused to foam up as a result, b) discharging the... | 07/11/2000 |
| 6004508 | Method and apparatus for super critical treatment of liquids A process for sterilization of a liquid in a continuous system including a series of steps. First the liquid is continuously pumped into a pressurized system. Second, the pressure on the liquid is increased in a first pressurization stage. Next, the liqui... | 12/21/1999 |
| 5996478 | Apparatus for pressure processing a pumpable food substance An improved method and apparatus for pressure processing a pumpable substance are shown and described. In a preferred embodiment, a valve is coupled to a source of a pumpable food substance and a pressure vessel, the valve being movable to a first, second... | 12/07/1999 |
| 5948356 | Process for high-pressure sterilization of products A semi-continuous process for high-pressure sterilization of a liquid or solid product, in which the sterilization of successive volumes of the product is performed by compressing the product at high pressure in a variable treatment chamber of generally t... | 09/07/1999 |
| 5891505 | Method for pressure processing a pumpable food substance An improved method and apparatus for pressure processing a pumpable substance are shown and described. In a preferred embodiment, a valve is coupled to a source of a pumpable food substance and a pressure vessel, the valve being movable to a first, second... | 04/06/1999 |
| 5863500 | Method and apparatus for preserving products Methods and containers for preserving a product such as a respiratory product having an internal vapor pressure. The product is placed into an enclosure, and the enclosure is sealed and pressured with appropriately humidified air or other suitable oxygen ... | 01/26/1999 |
| 5494585 | Water remediation and purification system and method The water remediation and purification method includes a cavitation nozzle which is operated with a throat size and pressure drop to incur cavitation in the water. The explosive and implosive bubble growth and collapse produces free radicals which interac... | 02/27/1996 |
| 5362443 | Method and apparatus for disposal of medical waste A method and an apparatus for simply disposing medical waste from a medical institution on site. The method comprises crushing medical waste in a closed container, exhausting air out of the container, sterilizing the air before releasing it into the atmos... | 11/08/1994 |
| 5344609 | Method and apparatus for sterilization with incremental pressure reduction An apparatus and method for sterilization of water compatible products, especially food products such as sliced vegetables, chopped meats etc. A sterilization conduit through which the product passes under pressure includes steam injectors, with the press... | 09/06/1994 |
| 5316745 | High pressure sterilization apparatus and method An ultra high pressure sterilizing apparatus and method comprising a cylinder and plunger assembly that operates on a power compression stroke where material to be sterilized is alternately pressurized and depressurized in the cylinder chamber. The cylind... | 05/31/1994 |
| 5288462 | Sterilization apparatus and method A sterilization apparatus has a chamber within a housing in which the materials to be sterilized are placed and the chamber is supplied with liquid under pressure. A pressure sensitive, rapid acting implosion cartridge is in communication with the chamber... | 02/22/1994 |
| 5165325 | Continuous pressurizing apparatus for liquid A continuous pressurizing apparatus for liquid comprises a plurality of cylinders arranged in parallel and having liquid chambers, of which maximum effective volumes are slightly different from each other, each of the cylinders being provided with a rod a... | 11/24/1992 |
| 5124125 | Method for processing infectious waste using microwaves A method for microwave sterilization and densification of infectious waste wherein a supply of infectious waste to be sterilized and disposed of is provided which includes at least 20% by weight of plastic materials. A selected portion of the infectious w... | 06/23/1992 |
| 5066336 | Method for cleaning reagent delivery probes A cleaning apparatus for cleaning delivery probes used for dispensing protein-containing reagents. The apparatus includes: a bath of a cleaning solution for a protein-containing reagent; a device for lowering the probe into the cleaning solution for aspir... | 11/19/1991 |
| 4944919 | Low temperature sterilizer An apparatus for exposing objects to saturated steam at subatmospheric pressure is computer controlled during a conditioning phase prior to the commencement of an exposure phase to apply vacuum to a sealed chamber while steam is simultaneously being injec... | 07/31/1990 |
| 4748003 | Container for flash sterilization A sterilization container is provided with relatively large top and bottom apertures to allow hot steam to rapidly pervade the interior of the container through the top while flushing cool air out the bottom. The apertures are provided with pressure actua... | 05/31/1988 |
| 4361536 | Method for sterilizing contact lenses A method and apparatus for sterilization of contact lenses characterized in that the lenses are enclosed in the interior of a sealtight chamber having rigid and indeformable walls, the following sequence of steps being performed: (a) introducing in said c... | 11/30/1982 |
| 4263253 | Process for rendering solids sterile The present invention relates to a process for freeing solids, in particular pharmaceutical active ingredients, from germs by sterile filtration using supercritical gases.... | 04/21/1981 |
| 4059919 | Heat treating particulate material The invention provides a method and apparatus for the hydration and/or cooking of a particulate material, for example grain which is to be used as a nutrient medium for mycelium growth in the production of mushroom spawn, or food products such as peas, be... | 11/29/1977 |
| 3959529 | Wood treating process A method for producing clean surface treated wood by subjecting the wood, containing the treating agent and its carrier, to steaming under pressure thereby to cause the solvent in the atmosphere about the wood to condense on the wood surface during the st... | 05/25/1976 |
