Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 5133085 | Nursing shield A nursing shield for mothers who wish to nurse an infant discreetly or camouflage the act of nursing in a public setting. In a preferred embodiment, the nursing shield comprises a stiff yet flexible padded and covered panel which attaches to the back side... | 07/28/1992 |
| 4999092 | Transporting a liquid past a barrier The invention provides a method of transporting a liquid A past or around a barrier, by adding a solute S to liquid A on one side of the barrier and correspondingly removing solute S from liquid A on the other side of the barrier, the solute S being such ... | 03/12/1991 |
| 4977847 | Lift and rudder fin attachment The Disclosure is concerned with lift and rudder fin attachments for outboard engines and inboard engines with outboard drives of the type used in the propulsion of boats. The attachments may be adjusted to vary the amount of lift that is produced under a... | 12/18/1990 |
| 4901470 | Coiled spring spinner fishing lure The invention is concerned with a spinner fishing lure of novel design, construction and function, which eliminates the conventional wire harness commonly used in the prior art. The inventive lure is completely snagless and weedless, and it is capable of ... | 02/20/1990 |
| 4846789 | Combatting internal parasites in warm blooded animals Dyes which, in the presence of molecular oxygen, promote the formation of cytotoxic oxygen are used to combat internal parasites in warm blooded animals. Internal parasites having the dye incorporated therein are exposed to electromagnetic radiation to in... | 07/11/1989 |
| 4842821 | Producing titanium carbide The invention provides a method of producing an alloy containing titanium carbide particles, the method comprising thoroughly dispersing carbon powder particles into a metal melt, and causing the dispersed carbon particles to react with titanium within th... | 06/27/1989 |
| 4786469 | Grain refining metals The invention provides a grain refinement method for copper-based metals, which method can be applied to a range of different types of such metals. In accordance with the method, one arranges that a melt of the metal to be grain refined contains each of t... | 11/22/1988 |
| 4767278 | Boat propeller Improved screw propellers especially useful in the propulsion of small boats are constructed at low cost from cast iron characterized by rounded graphite in a ferritic, pearlitic and/or acicular matrix. The propeller is exceptionally strong and may be dri... | 08/30/1988 |
| 4748001 | Producing titanium carbide particles in metal matrix and method of using resulting product to grain refine The invention provides a method of producing an alloy containing titanium carbide particles, the method comprising thoroughly dispersing carbon powder particles into a metal melt, and causing the dispersed carbon particles to react with titanium within th... | 05/31/1988 |
| 4718191 | Artificial fishing lure An artificial fishing lure is disclosed including first and second rearwardly diverging frame members that are connected by an eye means for attaching a fishing line. A weight and fish hook are carried by the first frame member, and a unique movable or pi... | 01/12/1988 |
| 4653465 | Heater A heater for combustion of carbonaceous fuels comprising a casing which surrounds and contains the fuel immediately prior to and during combustion and a heat exchanger of unique design which is positioned within the casing. The efficiency of the heater ma... | 03/31/1987 |
| 4648901 | Introducing one or more metals into a melt comprising aluminum An additive is provided which enables metal additions to be made to aluminum melts with good metal recovery and speed of dissolution. The additive includes a mixture comprising: (a) an aluminum-comprising powder, for example commercially pure aluminum; (b) a p... | 03/10/1987 |
| 4617687 | Ventilated toilet A ventilated toilet is disclosed which includes an exhaust fan assembly, electrical connections therefor, and a normally open pneumatically operated switch element, all of which are located remote from the toilet area so that the user is never endangered ... | 10/21/1986 |
| 4580581 | Self deodorizing ash tray The present disclosure is concerned with a deodorizing and fragrance releasing insert for an ash tray, and with an ash tray provided with the insert. In a further embodiment, the disclosure is concerned with a self-deodorizing and fragrance releasing ash ... | 04/08/1986 |
| 4564393 | Introducing one or more metals into a melt comprising aluminum An additive is provided which enables metal additions to be made to aluminum melts with good metal recovery and speed of dissolution. The additive includes a mixture comprising: (a) an aluminum-comprising powder, for example commercially pure aluminum; (b) a p... | 01/14/1986 |
| 4555129 | Adapter union and improved adapter member therefor An adapter union is disclosed which is especially useful for installation by butt welding on containers for fluids to permit a conduit of smaller internal diameter to be removably attached thereto, and also for certain other specialized uses described her... | 11/26/1985 |
| 4453576 | Apparatus for filling containers such as communion cups An improved apparatus is disclosed for filling containers with a liquid. The apparatus is very efficient and the containers may be filled in a small fraction of the time formerly required. The flow of liquid into the containers may be controlled with grea... | 06/12/1984 |
| 4428603 | Flange union with improved metal-to-metal seals A flange union is disclosed which is provided with inner and outer annular metal-to-metal seals and an optional resilient seal and/or insert. In one embodiment, the two metal-to-metal seals are formed simultaneously, and in another embodiment they are for... | 01/31/1984 |
| 4408848 | Apparatus for indicating a line and for producing and visually displaying an image of a line indicator Line indicating apparatus is provided which is capable of suspending an elongated line indicator whereby it is movable in a direction substantially perpendicular to its linear axis, and is rotatable around a second axis which is angularly disposed with re... | 10/11/1983 |
| 4403795 | Flange union with improved recessed seats and sealing ring A flange union is disclosed which is provided with opposed recessed female seats carried by the terminal inner ends of the flange members. A replacable sealing ring having an annular convex sealing surface is positioned between the annular cooperating sea... | 09/13/1983 |
| 4399079 | Method and apparatus for generating vapor of a volatile liquid fuel and operating an internal combustion engine therewith A novel method and improved apparatus are disclosed for generating fuel vapor from a volatile normally liquid fuel, safely handling and controlling the fuel vapor, and utilizing the same in the operation of an internal combustion engine. Preferably, the f... | 08/16/1983 |
| 4396563 | Method of preparing closed cell phenol-aldehyde foam and the closed cell foam thus prepared Closed cell phenol-aldehyde foam is prepared by a method which includes a novel frothing and curing technique. An admixture containing a liquid phenol-aldehyde resole resin, a volatile blowing agent, and a surfactant is frothed to produce a stable froth c... | 08/02/1983 |
| 4377599 | Processes for employing treated solid carbonaceous fossil fuels Solid carbonaceous fossil fuels such as coal, lignite and peat are treated with an aqueous medium containing a novel catalyst to remove undesirable constituents and produce valuable products. The catalyst is prepared by steps including admixing a water so... | 03/22/1983 |
| 4328761 | Suction cup mounted holder for watercraft A suction cup mounted holder is provided for waterborne watercraft which may be easily attached and detached to the exterior hull surface both above and below the waterline, and without penetrating or permanently disfiguring the exterior hull surface. The... | 05/11/1982 |
| 4323246 | Golf practice putting aid A golf putting aid includes a pressure sensitive adhesive backing for removably attaching the aid to the striking face of a prior art putter without noticeably changing the characteristics of the putter. The putting aid preferably includes a pair of uprig... | 04/06/1982 |
| 4316624 | Access union An access union is disclosed which is especially useful for installation on containers for fluids to permit access thereto. The invention is also concerned with containers for fluids having the access union of the invention installed thereon. When install... | 02/23/1982 |
| 4315917 | Method of treating cannibalism in poultry The incidence of infectious disease in poultry is reduced and/or antisocial behavior is controlled by providing the poultry with drinking water containing a catalytically effective amount of a unique catalyst. In a preferred variant, the drinking water ma... | 02/16/1982 |
| 4314712 | Pole trailer An improved trailer is provided for use with an automotive draft vehicle. The trailer is of the class including a coupling member attached on its forward end to a draft vehicle and having a trailer rear axle assembly slidably mounted on the rear end so as... | 02/09/1982 |
| 4307229 | 6,6'-Diesters of trehalose and process for the synthesis thereof An improved process is described for synthesizing simple and complex 6,6'-diacyl esters of trehalose and intermediates useful therein. Novel 6,6'-diacyl esters of trehalose and novel intermediates useful in the process of the invention are also disclosed.... | 12/22/1981 |
| 4303758 | Method of preparing closed cell phenol-aldehyde foam and the closed cell foam thus prepared Closed cell phenol-aldehyde foam is prepared by a method which includes a novel frothing and curing technique. An admixture containing a liquid phenolaldehyde resole resin, a volatile blowing agent, and a surfactant is frothed to produce a stable froth co... | 12/01/1981 |
| 4270506 | Generating vapor of a volatile normally liquid fuel and operating an internal combustion engine therewith A modified internal combustion engine useful as a power plant in automotive vehicles is operated on an admixture of air and fuel vapor. An apparatus is disclosed for generating the fuel vapor from a volatile normally liquid fuel of the type useful in oper... | 06/02/1981 |
| 4261821 | Apparatus for treating water with a chemical Improved apparatus is disclosed for treating waste water with a chemical. The apparatus is self-contained and may be moved from site to site for use on a permanent, semi-permanent or temporary basis as needed. It is strong, durable and light weight in con... | 04/14/1981 |
| 4257181 | Fishing rod holder The present invention provides an improved fishing rod holder which is especially useful for holding and tending a fishing rod when surf fishing from a sandy beach, or when fishing from an earthen shoreline. The invention also provides an inexpensive meth... | 03/24/1981 |
| 4237101 | Process for treating solid carbonaceous fossil fuels and the products thus prepared Solid carbonaceous fossil fuels such as coal, lignite and peat are treated with an aqueous medium containing a novel catalyst to remove undesirable constituents and produce valuable products. The catalyst is prepared by steps including admixing a water so... | 12/02/1980 |
| 4178256 | Compositions for souring and softening laundered textile materials, method of preparing the same, and stock solutions prepared therefrom Liquid and solid compositions are provided for souring and imparting softness to freshly laundered textile materials. When in the form of a stable homogeneous liquid, the composition may contain (a) a quaternized fatty amide, an aqueous emulsion of partia... | 12/11/1979 |
| 4163086 | Novel oxyalkylated polyol prepolymers, flame retardant interpolymers prepared therefrom, and processes for the preparation thereof Liquid oxyalkylated polyol prepolymers are prepared by oxyalkylating a prepolymer prepared from a hydroxy aromatic compound, an aldehyde and furfuryl alcohol with an alkylene oxide containing about 2-4 carbon atoms. The oxyalkylated polyol prepolymers hav... | 07/31/1979 |
| 4162547 | Pocket cuspidor An improved pocket cuspidor is provided which preferably includes a cooperating three component system. The first component is a mouthpiece provided with a disposable waterproof flexible bag releasably secured thereto. The first component is arranged with... | 07/31/1979 |
| 4126441 | Method of rooting cuttings Cuttings to be rooted are intimately contacted with water containing a catalytically effective amount of a novel catalyst. The cuttings root faster and/or easier, and the new plants produced therefrom are more vigorous and resistant to disease and/or adve... | 11/21/1978 |
| 4125489 | Novel prepolymers, flame retardant interpolymers prepared therefrom, and processes for the preparation thereof Liquid prepolymers are prepared by interpolymerizing monomers including a hydroxy aromatic compound, an aldehyde and furfuryl alcohol. The resultant liquid prepolymers have a viscosity of about 100-500,000 centipoises at 25° C. and contain about 1.1-6 mo... | 11/14/1978 |
| 4120802 | Compositions for souring and softening laundered textile materials, method of preparing the same, and stock solutions prepared therefrom Liquid and solid compositions are provided for souring and imparting softness to freshly laundered textile materials. When in the form of a stable homogeneous liquid, the composition may contain (a) a quaternized fatty amide, an aqueous emulsion of partia... | 10/17/1978 |
