Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 7101463 | Condensation and recovery of oil from pyrolysis gas A system and process for the recovery of oil from the pyrolysis of material containing hydrocarbons such as shredded vehicle tires. The system utilizes a pair of sequentially positioned packed towers to recover at least 95% of the oil contained in the pyrolysis gase... | 09/05/2006 |
| 7052656 | Column for carrying out an isotope exchange between a liquid substance and a gaseous substance The column is provided for carrying out an isotope exchange (EM) between a liquid substance (L) and a gaseous substance (G) using a catalytic reaction (EK). In this reaction the isotope exchange between molecules of the vaporized liquid substance (V) and molecules o... | 05/30/2006 |
| 6884324 | Column for concentrating phthalic anhydride To improve the columns used so far for producing phthalic anhydride, and to make them less expensive and easier to install, it is proposed that in the column for concentrating phthalic anhydride two distillation stages are arranged, wherein the removal of the low-bo... | 04/26/2005 |
| 5955041 | Natural circulation reactor and use for producing linear and cyclic acetals This invention relates to a reactor 1 for the continuous production of linear or cyclic acetals, in particular trioxane, dioxolane, tetroxane, dimethoxymethane, diethoxymethane, diethoxyethane and dibutoxyethane. This reactor has internal adjacently arran... | 09/21/1999 |
| 5643408 | Apparatus for decontaminating a liquid surfactant of dioxane An apparatus for decontaminating a liquid surfactant of a dioxane having a vapor pressure which is higher than the vapor pressure of the surfactant includes an elevated reservoir for dioxane-contaminated liquid surfactant and an elongate inclined conduit,... | 07/01/1997 |
| 5080761 | Method of optimizing the operation of a distillation column provided with a side heating device In a method of optimizing the operation of a distillation column with a side heating device for reconditioning of extract which is received during the extraction of hydrocarbon-containing initial products with N-substituted morpholines whose substituents ... | 01/14/1992 |
| 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 |
| 4662995 | Distillation process A method and apparatus for improving the separation of a distillation system comprising a main distillation zone and at least one sidestream separation zone is described. The method comprises returning vapor separated in the sidestream separation zone to ... | 05/05/1987 |
| 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 |
| 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 |
