Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7223036 | Auto loading and auto dampening cleaning apparatus An auto loading and auto dampening cleaning apparatus which comprises a base sweeping pad, a fluid reservoir superimposed over said sweeping pad which defines a slit between the two, a handle having a fork shaped frame which is rotateably attached to the sweeping pa... | 05/29/2007 |
| 6401993 | Multi-purpose bottle holder This invention teaches a multi-purpose bottle holder that is suitable for securely transporting water and beverage bottles over long distances or during vigorous exercise programs. The bottle holder can be supported either by an adjustable shoulder strap,... | 06/11/2002 |
| 6166463 | Axial force electrical machines The present invention resides in a radial air gap machine with a serrated air gap that can minimize external axial forces. This is accomplished by controlling the relationship between the air gap surfaces in the stator and rotor sections. To control the r... | 12/26/2000 |
| 6066908 | Disc-type brushless alternator The present invention resides in an improved disc-type brushless alternator which contains an alternator housing, a shaft rotatably attached to the alternator housing, a plurality of rotors and a pulley at one end. The alternator housing is attached to a ... | 05/23/2000 |
| 6034462 | Cylindrical air gap electrical machines A cylindrical or radial air gap, electrical machine is defined which comprises a circular rotor section having a serrated circular surface area mounted on a shaft with rotation means, two or more circular stator sub sections having circular serrated surfa... | 03/07/2000 |
| 6021919 | Dispenser for sanitary gloves The present invention relates to an improved dispenser for sanitary gloves. The dispenser comprises a rectangular enclosure having a top, bottom, left and right side walls, front and back, for receiving individually packaged sanitary gloves. The front is ... | 02/08/2000 |
| 5971902 | Lumbar extension machine The present invention resides in an exercise apparatus for individuals with chronic back pain. The apparatus comprises an elongated base frame that is rectangular in configuration and has a U-shaped front portion and a T-shaped back portion. An inverted Y... | 10/26/1999 |
| 5957379 | Device and method for providing additives to a stream of water A device is mounted between an inlet pipe and a shower head and includes a receptacle for mixing a stream of water with additives. A portion of the stream of water passing from the inlet pipe to the shower head is diverted into the receptacle. The recepta... | 09/28/1999 |
| 5920912 | Ear cuffs The present invention relates to an ear protective device that protects the human ear from being burned by curling irons or hot rollers during the heat treatment of hair. The ear protective device is especially constructed to cover the human ear. The devi... | 07/13/1999 |
| 5921191 | Pass through interlock system Pass through interlock systems for sanitized environments or "clean rooms" are disclosed which allow for the transfer of objects from outside the sanitized environment without introducing undesirable contaminants therein. The system comprises a frame, box... | 07/13/1999 |
| 5659290 | Speed minder The present invention relates to a new and improved universal device for vehicles, especially motor vehicles which measures the speed of the vehicle and continuously displays the speed on a digital readout display located in the vicinity of the dashboard ... | 08/19/1997 |
| 5657566 | Rapid mount advertising panels Rapid mount advertising panels for motor vehicles, such as trucks, are disclosed comprising a plurality of panels which are removably attached to the side of a trailer in such a manner, that as a group they form a large bill board surface. The display pan... | 08/19/1997 |
| 5370041 | Beverage making apparatus containing a potable water purification unit The present invention resides in a beverage making machine containing a purification unit for purifying potable water. The purifying unit contains a purifying agent and is detachably mounted on either the water reservoir or on the basket where water conta... | 12/06/1994 |
| 5115059 | Terpolymers of alkyl acrylates or methacrylates, an olefinically unsaturated homo or heterocyclic-nitrogen compound and an allyl acrylate or methacrylate Terpolymers having enhanced pour point depressant properties are disclosed which comprise (1) an alkyl ester of unsaturated monocarboxylic acid, (2) an olefinically unsaturated homo or heterocyclic-nitrogen compound, and (3) an allyl acrylate or methacryl... | 05/19/1992 |
| 5071515 | Method for improving the density and crush resistance of coke The density and crush resistance of calcined coke are improved by depositing coker feedstock on green (uncalcined) coke, thereafter subjecting the coke to a heat soak and then calcining the coke.... | 12/10/1991 |
| 5055212 | Oil compositions containing alkyl mercaptan derivatives of copolymers of an alpha olefin or an alkyl vinyl ether and an unsaturated alpha, beta-dicarboxylic compound Oil compositions comprising crude oils, fuel oils, mineral oils and synthetic oils having high pour points are provided with one or more enhanced characteristics such as improved pour point, viscosity or viscosity index by the addition of alkyl amine or a... | 10/08/1991 |
| 5047125 | Fractionating column control apparatus and methods Apparatus and methods for determining the Reid Vapor Pressure of either an overhead, side draw or bottoms product stream of a fractionating column used for fractionating a multi-component hydrocarbon feed stream into an overhead product stream, a side dra... | 09/10/1991 |
| 5015406 | Mineral oil or synthetic oil compositions containing terpolymers of alkyl acrylates or methacrylates etc. Oil compositions comprising crude oils, fuel oils, mineral oils and synthetic oils having high pour points are provided with one or more enhanced characteristics such as improved pour point, viscosity or viscosity index by the addition of a terpolymer com... | 05/14/1991 |
| 5010126 | Process for producing a petroleum wax composition A hot melt wax composition and process for producing said hot melt wax composition are disclosed. The wax compositions are suitable for coating fibrous materials, for example, paper and corrugated paper boards. The coating compositions comprise a blend of... | 04/23/1991 |
| 4998709 | Method of making graphite electrode nipple The present invention resides in improved graphite nipples which are suitable for connecting graphite electrodes. The graphite nipples are prepared by adding mesophase pitch-based carbon fibers into a typical nipple extrusion blend.... | 03/12/1991 |
| 4990378 | Hot melt wax coatings for fibrous substrates A process for coating a fibrous substrate with a hot melt wax composition is disclosed. The coating compositions comprise a mix of a fully refined paraffin wax, a petroleum wax selected from the group consisting of a recrystallized heavy intermediate wax ... | 02/05/1991 |
| 4980435 | Process for producing terpolymers of alkyl acrylates or methacrylates, an olefinically unsaturated homo or heterocyclic-nitrogen compound and an allyl acrylate or methacrylate or perfluoroalkyl ethyl acrylates or methacrylates Terpolymers having enhanced pour point depressant properties are disclosed which comprise (1) an alkyl ester of unsaturated monocarboxlic acid, (2) an olefinically unsatured homo or heterocyclic-nitrogen compound, and (3) an allyl acrylate or methacrylate... | 12/25/1990 |
| 4966368 | Geometric tennis lanes Geometrical tennis lanes are disclosed which comprise a plurality of pie-shaped lanes forming a circle or a semi-circle or substantially circular configuration, the lanes are substantially triangular in shape. The tennis lanes particularly provide for upr... | 10/30/1990 |
| 4965306 | Process for producing hot melt wax compositions Hot melt wax compositions and a process for producing said hot melt wax compositions are disclosed. The wax compositions are suitable for coating fibrous materials, for example, paper and corrugated paper boards. The coating compositions comprise a mixtur... | 10/23/1990 |
| 4965305 | Hot melt coatings made from a novel petroleum wax A hot melt wax composition and process for producing said hot melt wax composition are disclosed. The wax compositions are suitable for coating fibrous materials, for example, paper and corrugated paper boards. The coating compositions comprise a blend of... | 10/23/1990 |
| 4959139 | Binder pitch and method of preparation Binder pitch is prepared by combining a petroleum aromatic mineral oil thermal tar and super finely subdivided calcined premium coke particles. The petroleum aromatic mineral oil thermal tar is obtained by hydrotreating, thermally cracking and vacuum dist... | 09/25/1990 |
| 4956506 | Vapor-phase hydration of olefins to alcohols in series reactors with intermediate alcohol removal A gas containing water vapor and a minor amount of ethylene and/or propylene is passed through several reactors in series containing a perfluorinated ion-exchange polymer catalyst to convert olefins to alcohols, and alcohol product is recovered from the e... | 09/11/1990 |
| 4954373 | Fibrous substrates containing hot melt coatings made from a novel petroleum wax A process for coating a fibrous substrate with a hot melt wax composition is disclosed. The coating compositions comprise a blend of a recrystallized heavy intermediate wax, a polymeric hydrocarbon compound, a tickifier resin and a phenolic anti-oxidant.... | 09/04/1990 |
| 4954135 | Oil compositions containing terpolymers of alkyl acrylates or methacrylates, an olefinically unsaturated homo or heterocyclic-nitrogen compound and allyl acrylates or methacrylates Oil compositions comprising crude oils, fuel oils, mineral oils and synthetic oils having high pour points are provided with one or more enhanced characteristics such as improved pour point, viscosity or viscosity index by the addition of a terpolymer com... | 09/04/1990 |
| 4900331 | Oil compositions containing alkyl amine or alkyl mercaptan derivatives of copolymers of an alpha olefin or an alkyl vinyl ether and an unsaturated alpha, beta-dicarboxylic copound Oil compositions comprisin crude oils, fuel oils, mineral oils and synthetic oils having high pour points are provided with one or more enhanced characteristics such as improved pour point, viscosity or viscosity index by the addition of alkyl amine or al... | 02/13/1990 |
| 4900569 | Terpolymers of alkyl acrylates or methacrylates, an olefinically unsaturated homo or heterocyclic-nitrogen compound and an allyl acrylate or methacrylate or perfluoroalkyl ethyl acrylates or methacrylates Terpolymers having enhanced pour point depressant properties are disclosed which comprise (1) an alkyl ester of unsaturated monocarboxylic acid, (2) an olefinically unsaturated homo or heterocyclic-nitrogen compound, and (3) an allyl acrylate or methacryl... | 02/13/1990 |
| 4899004 | Process for producing trimethylbenzene Trimethylbenzene is selectively prepared by contacting a C1 to C4 alkane with magnesium under reaction conditions to produce a reaction product. The reaction product thus produced, is contacted with water or a lower alcohol to promot... | 02/06/1990 |
| 4889600 | Fractionating column control apparatus and methods Apparatus and methods for determining the Reid Vapor Pressure of a bottoms product stream of a fractionating column used for fractionating a multi-component hydrocarbon feed stream into an overhead product stream and a bottoms product stream are provided.... | 12/26/1989 |
| 4886520 | Oil compositions containing terpolymers of alkyl acrylates or methacrylates, an olefinically unsaturated homo or heterocyclic-nitrogen compound and allyl acrylates or methacrylates or perfluoroalkyl ethyl acrylates or methacrylates Oil compositions comprising crude oils, fuel oils, mineral oils and synthetic oils having high pour points are provided with one or more enhanced characteristics such as improved pour point, viscosity or viscosity index by the addition of a terpolymer com... | 12/12/1989 |
| 4886354 | Method and apparatus for measuring crystal formation Apparatus for measuring the formation of crystals in a flowing liquid using a flow way that receives a flow of the liquid therethrough; wherein, the flow way includes an optical means and access for illuminating the liquid with a beam of polarized light a... | 12/12/1989 |
| 4623474 | Oxidation and corrosion inhibitors for boron-containing lubricants Lubricating compositions containing an oxidation inhibitor, copper and lead corrosion inhibitors and boron and/or metal-boron derivatives having extreme pressure, anti-wear and friction reducing properties are disclosed.... | 11/18/1986 |
| 4567314 | Process for producing diolefins High surface area oxidative dehydrogenation catalysts which are suitable for converting C4 to C8 mono-olefins to diolefins are disclosed, comprising the oxides of an alkali metal, vanadium, phosphorus, and preferably tin in combinati... | 01/28/1986 |
| 4533480 | Bis(hydrocarbyloxy methylated) boron-containing, heterocyclic compounds and lubricating compositions containing the same Certain bis(hydrocarbyloxy methylated) boron-containing, heterocyclic compounds are disclosed which impart extreme pressure, anti-wear and friction reducing properties to lubricating oils. Such oils may be further provided with a hydrocarbon polysulfide d... | 08/06/1985 |
| 4518703 | Crystalline silica catalysts Para-xylene is selectively prepared by reacting toluene and a methylating agent in the presence of a phosphorus modified catalyst comprising a silica polymorph intermixed with an inorganic refractory oxide, said catalyst having an alkali content of less t... | 05/21/1985 |
| 4511516 | Boron containing heterocyclic compounds Boron-containing heterocyclic compounds of the chemical formula: ##STR1## wherein at least one of R1, R2, R3, or R4 is an aryl, alkylaryl, or arylalkyl radical having from 1 to about 30 carbon atoms have be... | 04/16/1985 |
