Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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 |
| 4165721 | Exhaust gas recirculation system for an automotive engine Exhaust gas recirculation system for an automotive engine in which that portion of the exhaust stream is selectively withdrawn which contains the major amount of undesirable ingredients. Said portion of gas from each cylinder is received in a common mixin... | 08/28/1979 |
| 4162400 | Fiber optic well logging means and method A well logging system provides at least one output corresponding to a condition sensed in a borehole traversing an earth formation. The well logging system includes a logging instrument which includes a sensor sensing the condition and providing electrica... | 07/24/1979 |
| 4162197 | Furfural refining unit control system A system controls a furfural refining unit in which the furfural refining unit includes an extractor receiving furfural and charge oil, one of which is at a predetermined flow rate while the other flow rate is to be controlled and providing raffinate and ... | 07/24/1979 |
| 4161427 | Control system for a furfural refining unit receiving medium sweet charge oil A furfural refining unit treates medium sweet charge oil with a furfural solvent in a refining tower to yield raffinate and extract mix. The furfural is recovered from the raffinate and from the extract mix and returned to the refining tower. A system con... | 07/17/1979 |
| 4161392 | Nitrogen containing polymers prepared from methacrylic esters as carburetor detergents and corrosion inhibitors A copolymer comprising the olefin polymerization product of: A. a C1 -C6 saturated or unsaturated, substituted or unsubstituted, aliphatic or aromatic ester of an unsaturated aliphatic mono-, di- or polycarboxylic acid of chain length C | 07/17/1979 |
| 4159996 | Preparation of alkane diamines A method for preparing alkane diamines by initially reacting a vicinal nitroketone with a primary amine hydrochloride thereby forming a nitroalkyliminoalkane or a nitrooximinoalkane and thereafter catalytically hydrogenating the nitroalkylimino- or nitroo... | 07/03/1979 |
| 4160011 | Crystalline aluminosilicate percursor An amorphous powder useful as a precursor for the preparation of crystalline aluminosilicates is prepared by forming a sodium aluminum silicate water mixture whose composition falls within specified ranges for forming sodium zeolite A. By dehydrating the ... | 07/03/1979 |
| 4158948 | Conversion of solid fuels into fluid fuels Solid carbonaceous fuels are converted into gaseous fuels by a process comprising liquefying at least a portion of the solid fuel, subjecting a portion of the high boiling product to gasification with substantially pure oxygen to provide hydrogen for the ... | 06/26/1979 |
| 4158680 | Production of purified and humidified fuel gas This is a continuous process for producing a stream of purified and humidified fuel gas which may be burned in a gas turbine to produce mechanical work and electrical energy without contaminating the environment. In the process, a feed stream of raw fuel ... | 06/19/1979 |
| 4157969 | Settling tank structure Improved structure for a settling tank to be used for oil-water separation. It has a reduced height and greatly increased length for a given volume. Also, there are baffles across the width to create a piston-like displacement of the mixture as it moves f... | 06/12/1979 |
| 4157970 | Synthetic aircraft turbine oil Synthetic lubricating oil composition having improved oxidation stability comprising a major portion of an aliphatic ester base oil having lubricating properties formed by the reaction of pentaerythritol and an organic monocarboxylic acid and containing a... | 06/12/1979 |
| 4157971 | Synthetic aircraft turbine oil Synthetic lubricating oil composition having improved oxidation stability comprising a major portion of an aliphatic ester base oil having lubricating properties formed by the reaction of pentaerythritol and an organic monocarboxylic acid and containing a... | 06/12/1979 |
| 4154301 | Surfactant oil recovery process usable in a formation having high salinity connate water In the recovery of oil from an oil-bearing formation having a high salinity connate water wherein an aqueous surfactant slug containing a commercially available petroleum sulfonate is injected followed by the injection of an aqueous drive agent, improved ... | 05/15/1979 |
| 4154299 | Gas lift well with improvement The combination which includes a gas lift well that has a christmas tree coupled to the casing and to the tubing in the well. There is a flow line to receive liquid product and a choke connected between the flow line and the tubing. The improvement includ... | 05/15/1979 |
| 4153616 | Process for the preparation of alkenylated dicarboxylic acid lactones An improvement in a process for the preparation of alkenyldicarboxylic acid lactones by alkenylation of maleic anhydride or other C4 H2 O3, C5 H4 O3, or C6 H6 O3... | 05/08/1979 |
| 4149829 | Gas lift valve and mandrel combination with improvement of the screening for said valve An improved conventional type of gas lift valve and mandrel combination. It has a large area screen which encloses the valve and prevents it from having the inlet port and/or its integral small area screen, become plugged.... | 04/17/1979 |
| 4149993 | Hydroisomerization process and catalyst A process for the hydroisomerization of paraffinic hydrocarbons employing a catalyst composed of a noble metal, alumina and chlorine. The catalyst is prepared by treating a composite of noble metal and alumina with an aluminum compound such as an inorgani... | 04/17/1979 |
| 4148695 | Preparation and recovery of ethers Methyl t-butyl ether may be recovered from etherification reaction effluent by extractive distillation in the presence of n-butanol.... | 04/10/1979 |
| 4147214 | Tannin materials as additives in oil recovery processes involving chemical recovery agents A process for producing petroleum from subterranean formations is disclosed wherein production from the formation is obtained by driving a fluid from an injection well to a production well. The process involves injecting via the injection well into the fo... | 04/03/1979 |
| 4147730 | Selective hydroformylation process This disclosure is concerned with the use of supported platinum halide, Group IVA metal halide catalysts suitable for the hydroformylation of -olefin substrates to predominantly linear, straight-chain aldehydes.... | 04/03/1979 |
| 4147658 | Composition for retarding the evaporation of water Disclosed are compositions for suppressing and/or retarding the evaporation of water from dry cooling towers. The compositions contain: from 99.5 to 99.9 wt. percent of a light lubricating oil; 0.1 to 0.5 weight percent of an alkaline earth metal sulfonat... | 04/03/1979 |
| 4146950 | Methods for forming bubble cap assemblies for a gas and liquid contact apparatus One basic method for forming a bubble cap assembly held together with a hold-down stud for sealing a hole in a tray deck comprises (1) forming an inner tubular sleeve having a lower flanged end telescopic with the inner surface of a tubular riser having a... | 04/03/1979 |
| 4147734 | Process for dealkylating an alkylaromatic hydrocarbon using supported catalyst A novel active alumina which has been treated with sulfate ion, is found to be particularly characterized by increased performance when used as a support for catalyst which may be used in hydrocarbon conversion processes such as steam dealkylation.... | 04/03/1979 |
| 4146492 | Lubricant compositions which exhibit low degree of haze and methods of preparing same A pour depressant polyalkylacrylate comprising an interpolymer of (A) C1 -C15 alkylacrylate and (B) C16 -C22 alkylacrylate, said interpolymer having an average molecular weight of between about 1000 and 25,000, ... | 03/27/1979 |
| 4144754 | Multiphase fluid flow meter A fluid flow meter. It employs measurements related to centrifugal flow of the fluids therethrough. There is a complete loop and means for measuring the differential pressure of the fluid in the loop between the inside and outside of the fluid stream near... | 03/20/1979 |
| 4145273 | Transformer oil processing A transformer oil processing sequence is disclosed. The process comprises contacting a naphthenic based oil with an oxygen-containing gas in the presence of a permanganate under mild oxidation conditions of temperature and pressure and caustic washing the... | 03/20/1979 |
| 4144138 | Recovery of ethers Methyl tertiary butyl ether may be recovered from etherification reaction effluent by azeotropic distillation to recover methanol-ether azeotrope overhead which is water-washed to give pure ether raffinate plus ether-methanol bottoms, the latter being aze... | 03/13/1979 |
| 4144036 | Detergent fuel composition Motor fuel composition comprising a mixture of hydrocarbons in a gasoline boiling range containing a polyether reaction product on an asparagine represented by the formula: ##STR1## in which R is an aliphatic hydrocarbon radical having from about 10 ... | 03/13/1979 |
| 4143716 | Tertiary oil recovery process utilizing a preflush An adjusted salinity and hardness, aqueous preflush containing a thickening material which can be, for example, a hydrophilic material such as polyacrylamide, polysaccharide, polyvinyl aromatic sulfonate, polyethylene oxide, methyl cellulose, etc. or coll... | 03/13/1979 |
| 4144034 | Polyether-maleic anhydride reaction product containing motor fuel composition Motor fuel composition comprising a mixture of hydrocarbons in a gasoline boiling range containing a polyether-maleic anhydride reaction product represented by the formula: ##STR1## in which R is an aliphatic hydrocarbon radical having from about 6 t... | 03/13/1979 |
| 4142582 | Chrome lignosulfonates as additives in oil recovery processes involving chemical recovery agents A process for producing petroleum from subterranean formations is disclosed wherein production from the formation is obtained by driving a fluid from an injection well to a production well. The process involves injecting via the injection well into the fo... | 03/06/1979 |
| 4141695 | Process for gas cleaning with reclaimed water Dispersions comprising water and particulate solids i.e. carbon and ash are produced in at least one gas cooling or scrubbing zone by quench cooling or scrubbing, or both the raw gas stream from a partial oxidation gas generator with water. Advantageously... | 02/27/1979 |
| 4141536 | Ball type valve with high pressure sealing capability An improvement of a ball type valve having capability of conventional closing by quarter turn rotation of the ball, plus pressure sealing of the valve when closed by rocking about a tangential axis. It provides improved structure that permits both the clo... | 02/27/1979 |
| 4141415 | Method of recovering hydrocarbons by improving the vertical conformance in heavy oil formations A method for recovering viscous hydrocarbons from subterranean formations involves injecting a hydrocarbon solvent into the formation at spaced intervals to produce permeable regions or streaks in the formation. The injection is preferably directed to tho... | 02/27/1979 |
| 4141844 | Synthetic aircraft turbine oil Synthetic lubricating oil composition having improved oxidation stability comprising a major portion of an aliphatic ester base oil having lubricating properties formed from the reaction of pentaerythritol and an organic monocarboxylic acid, and containin... | 02/27/1979 |
| 4141845 | Synthetic aircraft turbine oil Synthetic lubricating oil composition having improved oxidation stability comprising a major portion of an aliphatic ester base oil having lubricating properties formed from the reaction of pentaerythritol and an organic monocarboxylic acid, and containin... | 02/27/1979 |
| 4141393 | Sealable fuel dispensing nozzle with automatic low-flow shut-off mechanism A fuel dispensing nozzle for a closed system holding a volatile fuel. The nozzle is adapted to sealably engage the filler pipe of a fuel tank to avoid passage of fumes to the atmosphere during a fuel transfer operation. The nozzle will automatically disco... | 02/27/1979 |
| 4141840 | Drilling fluids containing polyethoxylated, sulfurized fatty alcohols Aqueous drilling fluids containing polyethoxylated sulfurized fatty alcohols. Such fluids are especially useful where reduced torque drilling fluids are needed. Another embodiment of this invention relates to a method of drilling utilizing the above-descr... | 02/27/1979 |
| 4141696 | Process for gas cleaning with reclaimed water and apparatus for water reclamation Dispersions comprising water and particulate solids i.e. carbon and ash are produced in at least one gas cooling or scrubbing zone by quench cooling or scrubbing the raw gas stream from a partial oxidation gas generator with water. The dispersions are res... | 02/27/1979 |
| 4140618 | Transformer oil processing A transformer oil processing sequence is disclosed. The process comprises contacting a naphthenic based oil with an oxygen-containing gas in the presence of a free radical initiating catalyst under mild oxidation conditions of temperature and pressure, fr... | 02/20/1979 |
