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 |
| 4036752 | Dewatering clay slurries Sand slurries dispersed over the surface of ore processing operations waste product clay slurries and over-burden dropped onto the area give useful in-place land-fill.... | 07/19/1977 |
| 4016075 | Process for removal of silica from geothermal brine Ammonium hydroxide is added to a mixture of high-temperature, high-pressure geothermal steam and brine to raise the pH of the brine to between 6.0 and 7.0 and precipitate out a gelatinous sludge of aluminum and iron hydroxides. The hydroxide sludge is sus... | 04/05/1977 |
| 3983033 | Process for removing dissolved phosphorus from water magnetically A process wherein an aqueous solution containing dissolved phosphorus is seeded with iron oxide and a clay additive, if necessary, and with the electrolyte cation Al+.sup.3, the latter acting to associate the dissolved phosphate with the iron o... | 09/28/1976 |
| 3976569 | Water softening process This invention involves an improved process for softening hard water which comprises selectively precipitaing CaCO3 to form a thin layer thereof, increasing the pH of said water to precipitate magnesium as magnesium hydroxide and then filtering... | 08/24/1976 |
| 3975270 | Process for recovering usable olive-processing liquor from olive-processing waste solution Useful olive-processing liquor is recovered from olive-processing waste solution by a process wherein lime, charcoal, and calcium carbonate are successively added to the olive-processing waste solution to form a mixture and the mixture is allowed to settl... | 08/17/1976 |
| 3974039 | Addition of finely divided BaSO4 particles to sea water for removal of scale components A process of reclaiming drinking and industrial water from sea water, accing to which the sea water to be processed is subjected to a pretreatment, comprising filtering, acidifying and degassing said sea water. To the thus treated sea water there is then... | 08/10/1976 |
| 3951794 | Geothermal power method Disclosed are a system and method for extracting heat from hot unrefined water for the purpose of using this heat to do useful work, and specifically for extracting such heat while minimizing the undesirable effects caused by formation of scale and other ... | 04/20/1976 |
| 3933634 | Method of treatment of sludges with size-adjusted carbon A process for concentrating and separating solids from solid/liquid mixtures in the treatment of sewage sludge, which comprises incorporating into such sludge 2 to 10 % by weight of fine dust coal or lignite having such a size distribution that 30 to 50 %... | 01/20/1976 |
| 3932275 | Process for the treatment of mineral slimes A method of dewatering mineral slimes by adding fly ash and then a polyelectrolyte and blending slowly and thoroughly. The clear water supernatant may be drawn off from the sedimented coagulated solids. The coagulated solids may be further dewatered or tr... | 01/13/1976 |
| 3932224 | Method of preventing scale from being deposited in case of producing fresh water from sea water A method of preventing scale from being deposited in case of producing fresh water from sea water by heating the sea water in a vapour pressure type evaporator and multiple stage flush evaporator and by condensing water vapour evolved to obtain the fresh ... | 01/13/1976 |
