...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7294608 | Use of calcium sulfonate based threaded compounds in drilling operations and other severe industrial applications The present invention discloses the use of calcium sulfonate based greases compounds for use in application where the compounds are continuously, periodically or intermittently exposed to fluids that tend to contamination, erode, ablate or otherwise remove or interf... | 11/13/2007 |
| 6872235 | Iron powder composition The invention concerns a method of preparing an iron-based powder comprising the steps of mixing and heating an iron-based powder, at least one oligomer amide type lubricant, at least one fatty acid and optionally one or more additives to a temperature above the mel... | 03/29/2005 |
| 6764983 | Antioxidant compositions and industrial fluids containing same The present invention provides new compounds that can be used as antioxidants for either molecules that do not conation ester groups or esters of alcohols that contain two or more ester groups per molecule wherein at least two of the ester groups are on adjacent car... | 07/20/2004 |
| 6734147 | Lubricant compositions and methods A process is disclosed for manufacturing a lubricant composition comprising combining a superabsorbent polymer with a material for decreasing friction between moving surfaces. The superabsorbent polymer absorbs from about 25 to greater than 100 times its weight in w... | 05/11/2004 |
| 6613721 | Colloidal suspensions for use as a lubricant or additive A colloidal suspension has a metal core surrounded by a surfactant. The colloidal suspension is about 0.5 micron to about 3-4 microns in diameter. The colloidal suspension acts as a lubricant and protects surfaces in rolling and/or sliding contact. When m... | 09/02/2003 |
| 6511945 | Lubricant powder for powder metallurgy The invention concerns new lubricants comprising a combination of a polyethylene oxide and an oligomer amide and an improved metallurgical powder composition comprising a major amount of an iron-based powder and a minor amount of this new lubricant. Furth... | 01/28/2003 |
| 6358891 | Lubricating/sealing oil-based composition and method of manufacture thereof A lubricating/sealing composition is provided according to the present invention and finds particular use as a lubricating medium in internal combustion engines. According to the present invention, the lubricating/sealing composition comprises a base lubr... | 03/19/2002 |
| 6245721 | Lubrication additive composition The lubricant additive formulation for introduction into a petroleum based carrier, such as, motor oil, in which the additive contains substantially equal amounts of naphthenic oil and chlorinated paraffin with minor amounts of a paraffin oil and anti-wea... | 06/12/2001 |
| 5747428 | Solid lubricant for low and high temperature applications A self-lubricating solid coating that contains three layers of lubricants is disclosed. The solid lubricant may be prepared from chromium silicide or chromium carbide; disulfide and diselenide of tungsten, molybdenum, niobium, or tantalum; and silver or g... | 05/05/1998 |
| 5584943 | Cleaning and surface conditioning of formed metal surfaces A lubricant and surface conditioner for formed metal surfaces, particularly beverage containers, reduces the coefficient of static friction of said metal surfaces and enables drying said metal surfaces at a lower temperature. An aqueous composition for fo... | 12/17/1996 |
| 5547594 | Fluorinated disulfide lubricants for polyethylene snow sliders This invention relates to lubricants for polyethylene snow sliders which comprise fluorinated disulfides of the formula [Rf (CH2)m S]2 having a melting point of at least 25° C. at most 60° C., a fluorine content of... | 08/20/1996 |
| 5389199 | Aqueous lubricant and surface conditioner for formed metal surfaces A lubricant and surface conditioner for formed metal surfaces, particularly beverage containers, reduces the coefficient of static friction of said metal surfaces and enables drying said metal surfaces at a lower temperature. The conditioner includes a wa... | 02/14/1995 |
| 5348668 | Coating and bonding composition A coating and bonding composition is disclosed. The composition includes suspending, bonding and thinning agents, and a metallic flake. The composition may be used with an environmentally friendly lubricating composition to form an environmentally friendl... | 09/20/1994 |
| 5328618 | Magnetic lubricants A lubricant has the formula X:Y, wherein X is a layered material selected from the group consisting of layered transition metal dichalcogenides and graphite. Y is a magnetic inclusion between layers of X. The lubricant is made by adding X to a solution co... | 07/12/1994 |
| 4728448 | Carbide/fluoride/silver self-lubricating composite A self-lubricating, friction and wear reducing composite material for use over a wide temperature spectrum from cryogenic temperature to about 900° C. in a chemically reactive environment comprising silver, barium fluoride/calcium fluoride eutectic, and ... | 03/01/1988 |
| 4647386 | Intercalated transition metal based solid lubricating composition and method of so forming A solid lubricating composition and method for forming such a composition are disclosed. The composition is formed by intercalating a transition metal that has been chemically reacted with chalcogen to form a layered structure. The transition metal is sel... | 03/03/1987 |
| 4525287 | Thread and bearing lubricant A lubricant composition for thread or bearing surface operated at high temperature and stress load conditions, a thixotropic mixture including a Jojoba base vehicle, metallic and non-metallic particulates, a metallic component for wetting the stressed thr... | 06/25/1985 |
| 4473481 | Lubricant film for preventing galling of sliding metal surfaces A lubricant film which prevents galling or sliding metal surfaces comprising: a solid lubricant comprising 60-80% wt % of MoS2 or MoS2 +graphite; a lubricant additive comprising at least one component which comprises 10-30% wt % of S... | 09/25/1984 |
| 4469609 | Stabilizer systems useful in lubricating oils and method for stabilizing lubricating oils The invention comprises a novel stabilizing system useful for imparting resistance to oxidative breakdown comprising: (1) a metal deactivator azine of the formula: ##STR1## where: R1 and R2 can be hydrogen, alkyl with 1-12 carbon at... | 09/04/1984 |
| 4358384 | Composite grease for rock bit bearings A rock bit for drilling subterranean formations is lubricated with a grease composition comprising molybdenum disulfide particles in the range of from 6 to 14% by weight, copper particles in the range of from 3 to 9% by weight, a metal soap thickener in t... | 11/09/1982 |
| 4335006 | Method of stabilizing lubricating fluids Lubricating oils are stabilized against oxidative degradation by the use of a stabilizer comprising (A) an amine wherein the amine is a substituted benzylamine, or a substituted 1-amino-1,2,3,4-tetrahydronaphthalene, (B) a metal deacturator and (C) a meta... | 06/15/1982 |
| 4256811 | Coating composition for steel containing zinc metal, zinc oxide, molybdenum sulfide, a resin and a solvent A coating composition which exhibits lubricating and corrosion resistance properties and is particularly suitable for coating bolts and fasteners. The composition comprises 5 to 20 parts by weight of zinc metal, 1 to 20 parts by weight of zinc oxide and 1... | 03/17/1981 |
| 4155860 | Lubricant additive composition A lubricant additive composition for use with petroleum base lubricant media. The additive is formed of an admixture of about 1 to about 3 parts by weight copper metal flake or powder particles having a size of about 1 to about 2 microns, about 2 to about... | 05/22/1979 |
| 4122021 | Antioxidant stabilized lubricating oils This invention is directed to a synergistic antioxidant system for use in oils comprising a phenylated naphthylamine, a sulfoxide compound, and, optionally, an oligodynamic amount of copper.... | 10/24/1978 |
| 4110234 | Antioxidant stabilized lubricating oils This invention is directed to oxidation resistant hydrocarbon oils and the making thereof. The oils are protected against oxidation by a synergistic antioxidant system comprising a mixture of a phenylated naphthylamine, a sulfur containing compound, and a... | 08/29/1978 |
| 3994697 | Fuel distributed solid lubricant for internal combustion A solid lubricant consisting of metals combined with a high lubricity salt fabricated in pellet form and introduced into the fuel reservoir of an internal combustion engine. The pellet slowly disintegrates to produce extremely minute solid particles which... | 11/30/1976 |
| 3948784 | Treatment of industrial grinding and cutting lubricants A method of clarifying water-soluble lubricants used in industrial grinding and cutting using cationic polyelectrolytes.... | 04/06/1976 |