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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7198715 | Device for separating fluid mixtures A device for separating fluid mixtures, in particular for separating water from oil, includes a vacuum container (10) with several sub-chambers (26, 44, 40). At least one liquid constituent of the fluid mixture can be transported from the vacuum contai... | 04/03/2007 |
| 6805062 | Apparatus and method for reclaiming useful oil products from waste oil including hydrogen injection An apparatus and method for reclaiming a useful oil product, from waste oil provides an evaporation chamber in which waste oil is heated and vaporized, preferably at a temperature which causes some cracking of the oil. Hydrogen is injected into the vaporized oil, so... | 10/19/2004 |
| 6712954 | Method for reprocessing waste oils, base oils obtained according to said method and use thereof The invention relates to a method for reprocessing waste oils and producing high-grade base oils, whereby waste oil is treated by means of distillation, thin-film evaporation in a high vacuum, optional fractionation for separation into layers of different viscositie... | 03/30/2004 |
| 6013174 | Process to remove ash-forming contaminants from used oil Simple, economical process for removing ash-formers from used oil, to reduce materially the ash content value of the reclaimed oil and enhance its value substantially.... | 01/11/2000 |
| 5965785 | Amine blend neutralizers for refinery process corrosion This invention relates to inhibiting corrosion in systems of condensing hydrocarbons which contain water and chlorides, and, more particularly, in the overhead of crude oil atmospheric pipestills, with blends of amines. Preferred blends are 2-amino-1-meth... | 10/12/1999 |
| 5882506 | Process for recovering high quality oil from refinery waste emulsions An invention is disclosed whereby refinery waste emulsion streams such as API slop oils, desalter rag layer emulsions, mud pit sludges and the like having high viscosities and specific gravity approaching that of water can be treated for the recovery of p... | 03/16/1999 |
| 5865956 | Process and apparatus for the conversion of sludges A process for the conversion of organic sludges, the process comprising the steps of: (a) feeding dried sludge through a first reactor (16); (b) heating the dried sludge in the first reactor (16) in the absence of oxygen for the volatilization of oil producing... | 02/02/1999 |
| 5853563 | Treatment of waste petroleum A treatment of waste petroleum (60,70) is disclosed by decoupling association of the petroleum component to contaminants by solvent treatment (92,94) of the petroleum component, followed by ultrasonic treatment (59,71), separating the contaminants by extr... | 12/29/1998 |
| 5847248 | Process and apparatus for the conversion of sludges A process for the conversion of organic sludges, the process comprising the steps of: (a) feeding dried sludge through a first reactor (16); (b) heating the dried sludge in the first reactor (16) in the absence of oxygen for the volatilisation of oil producing... | 12/08/1998 |
| 5714664 | Process using amine blends to inhibit chloride corrosion in wet hydrocarbon condensing systems The disclosure is a process for inhibiting corrosion in condensing systems comprising wet hydrocarbons and chloride which comprises feeding a mixture of amines to the condensing system to elevate the pH profile of condensed water above the range in which ... | 02/03/1998 |
| 5707510 | Crude oil emulsion treating apparatus and method The treating apparatus and method of the present invention improve the efficiency and reliability of flash treating crude oil by including a recycled oil pumping loop that takes crude oil from a flashing section of a vessel and feeds it to either the inle... | 01/13/1998 |
| 5384037 | Integrated process for the production of distillate hydrocarbon A process for the production of a distillable hydrocarbon product stream from a first distillate hydrocarbon stream, a second distillate hydrocarbon stream and a waste lubricant stream by means of contacting the waste lubricant stream with a hot hydrogen-... | 01/24/1995 |
| 5382328 | Installation for processing waste oil For the processing of waste oil, i.e. environmentally safe processing, a process and installation are used whereby the waste oil is preheated with the distillation gases and is then distilled itself by burning the distilled waste oil. The liquid and solid... | 01/17/1995 |
| 5269906 | Process for the recovery of oil from waste oil sludges Commercially valuable oil is recovered from refinery-produced, Resource Conservation and Recovery Act classified, hazardous waste oil sludges by a series of volatilizing and condensing steps (which may vary depending on the oil, water, and solids content ... | 12/14/1993 |
| 5141628 | Method of cleaning and regenerating used oils Used oils, especially used lube oils, after rough filtering are mixed with an aqueous solution of water glass and an aqueous solution of polyalkylene glycol while stirring at elevated temperature, the obtained mixture is allowed to settle, the settlings a... | 08/25/1992 |
| 5028313 | Process for treating a temperature-sensitive hydrocarbonaceous stream containing a non-distillable component to produce a distillable hydrocarbonaceous product A process for treating a hydrocarbonaceous feed stream containing a non-distillable component to produce a distillable hydrocarbonaceous product and a heavy product comprising the non-distillable component while minimizing thermal degradation of the hydro... | 07/02/1991 |
| 4948393 | Method of separating oil, water, sand, and gas from produced fluids The invention deals with separating production fluids into separate components of oil, water, sand and gas in first and second stage separators. Preheating of the production fluid prior to entry into the first stage separator is partially accomplished by ... | 08/14/1990 |
| 4842715 | Novel technique for rendering oily sludges environmentally acceptable A process is disclosed for separating an organic material from a composition comprising said organic material intermixed with particulate solids, the process comprising advancing a light hydrocarbon fluid through said particulate solids at an effective ra... | 06/27/1989 |
| 4839021 | Treatment of petroleum derived organic sludges and oil residues A method of producing pyrolytic oils suitable for petroleum reprocessing is disclosed. According to the invention, petroleum derived organic sludges or oil residues in a solid/liquid phase are subjected to vacuum pyrolysis under temperature and sub-atmosp... | 06/13/1989 |
| 4784751 | Method and apparatus for reclaiming contaminated oil Contaminated oil is reclaimed for fuel use by pumping same through an oil filter into one side of a divided tank then through a heater to burn off water and antifreeze and then into the other side of the divided tank where the oil is blended with other cl... | 11/15/1988 |
| 4756821 | Method for the liquid phase hydrotreatment of heavy hydrocarbons in the presence of a dispersed catalyst A hydrotreatment method, for example, hydroviscoreduction or hydrodesulfurization in which the charge of hydrocarbons is reacted with hydrogen in contact with a catalyst finely dispersed in the liquid phase. To separate the product from the catalyst, the ... | 07/12/1988 |
| 4681660 | Method and device for reclaiming fluid lubricants A method and device for reclaiming fluid lubricants, such as oil, which removes both solid and liquid contaminants from the fluid through efficient, adjustable filters and vacuum distillation.... | 07/21/1987 |
| 4480039 | Heavy oil sample preparation A substantially solids-free sample of an oil having substantially the same hydrocarbon distribution as a heavy oil contained in a subterranean reservoir is prepared by vacuum-topping a field sample of the oil or oil-containing material while cold-trapping... | 10/30/1984 |
| 4411790 | Process for the treatment of a hydrocarbon charge by high temperature ultrafiltration The present invention relates to a process for the treatment of a hydrocarbon charge by high temperature ultrafiltration, said process comprising the steps of circulating said charge in a module comprising at least one mineral ultrafiltration barrier coat... | 10/25/1983 |
| 4411074 | Process and apparatus for thermally drying oil well cuttings The present invention relates to a process and apparatus for drying oil well cuttings. More particularly, the present invention relates to the direct thermal treatment of oil well drill cuttings whereby the cuttings will be freed from any excess liquid an... | 10/25/1983 |
| 4319410 | Dryer system for drilling mud cuttings A dryer system for treating oily solids, such as oil based drilling mud cuttings, into dry and oil-free solids and a liquid which includes recovered oil values. The system is a continuous feed, high vacuum, low temperature, distillation unit. An indirect ... | 03/16/1982 |
| 4211638 | Naphtha stripping Naphtha is recovered from a soot-naphtha slurry by mixing the slurry with hot residual oil and feeding the mixture into a vapor/liquid contactor. Within the contactor, part of the naphtha is vaporized. The remainder is withdrawn from the base, heated and ... | 07/08/1980 |
| 4179019 | Apparatus for reclaiming used lubricating oils A used lubricating oil reclamation apparatus in which filters, heat exchangers, a vaporizer unit, pumps and other necessary equipment are all contained in a wheeled cabinet. The oil to be reclaimed is pumped through a warming heat exchanger, a first filte... | 12/18/1979 |
| 4159949 | Contaminant remover A system is provided for continuously removing contaminants from a fluid stream on a high volume basis, such system being adapted particularly for use with contaminated lubricating oil found in industrial heavy equipment such as drop forges which requires... | 07/03/1979 |
