Bizarre Patents
A Christmas stocking having illumination means associated therewith for signalling the arrival of Santa Claus.
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 |
| 6578851 | Gasket assembly for sealing mating surfaces A pair of substantially opposed mating surfaces are joined to each other and sealed in place by means of an electrically-conductive member which is placed in proximity to the mating surfaces. The electrically-conductive member has at least one element sec... | 06/17/2003 |
| 6485026 | Non-stainless steel nitrided piston ring, and method of making the same A piston ring is broadly defined as a ring-shaped, non-stainless steel, iron alloy that is nitrided, and includes between about 1% and about 10% chromium by weight, and preferably includes between about 1% and about 2% chromium by weight, with additional ... | 11/26/2002 |
| 6391474 | Cylinder liner The invention relates to a cylinder liner made from a hypereutectic aluminum/silicon alloy which is surrounded by a surround casting material, which is characterized in that the minimum ratio of the wall thickness of the surround casting material of the c... | 05/21/2002 |
| 6299805 | Boron nitride sealing element A sealing member is produced from form-pressed boron nitride powder, while adding an inorganic or organic binding agent. Such boron nitride powder is obtained during the machining of boron nitride blocks composed of hexagonal boron nitride. This powder ca... | 10/09/2001 |
| 6250643 | Damper plate and method for producing thereof There are disclosed a damper plate for a rotary machine and a method for producing thereof which makes it possible to produce a honeycomb-type damper plate with accurate dimensions and reasonable cost. In the method for producing a damper plate for sealin... | 06/26/2001 |
| 6186508 | Wear resistant coating for brush seal applications A metallic coating containing hard carbide particles is described. The coating is applied by an HVOF process using powder particles whose size ranges from about 15 to about 44 microns. The carbide particles are held in a 80% nickel-20% chromium matrix. Th... | 02/13/2001 |
| 6142483 | Gasket assembly for sealing mating surfaces A gasket assembly for securing a pair of surfaces together wherein an electrically conductive gasket base having a central opening is provided with a pair of layers secured to opposite sides of the gasket base, with the layers being a fusible alloy, a bra... | 11/07/2000 |
| 6096181 | Sealing element for a sensor An electrochemical sensor for determining the oxygen content of gases of internal combustion engines includes a ceramic element that is inserted with a sealing ring into a housing. The sealing ring is built up from different metal layers. The arrangement ... | 08/01/2000 |
| 5862995 | High pressure fluid passage sealing for internal combustion engine fuel injectors and method of making same A fuel injector assembly for an internal combustion engine includes an injector body having a control valve in fluid communication with a source of fuel. A fuel nozzle assembly is employed to disperse fuel from the assembly. A high pressure fuel passage p... | 01/26/1999 |
| 5851014 | Slide ring seal assembly for the running gears of track-laying vehicles In a slide ring seal assembly having slide rings comprised of a casting material for running gears of track-laying vehicles and construction machinery, the improvement being slide rings composed of a gray cast iron alloy having a pearlitic matrix structur... | 12/22/1998 |
| 5725218 | High temperature seal for joining ceramics and metal alloys For a combination of a membrane of SrFeCo0.5 Ox and an Inconel alloy, a high-temperature seal is formed between the membrane and the alloy. The seal is interposed between the alloy and the membrane, and is a fritted compound of Sr ox... | 03/10/1998 |
| 5636850 | Deformable combustion seal ring An annular fire ring comprises an alloy of beryllium copper. Before the alloy is subject to precipitation hardening at elevated temperatures, the ring is placed at an inner periphery of a high temperature opening of a gasket body, wherein the diameter of ... | 06/10/1997 |
| 5560278 | Hydraulic cylinder with an electrical contacting and sealing ring A coaxial capacitor contacting and sealing structure, for electrical continuity between parts that move in relation to each other at the ends of a cavity within a hydraulic cylinder employing electromagnetic wave position sensing. The structure employs a ... | 10/01/1996 |
| 5536022 | Plasma sprayed abradable seals for gas turbine engines A gas turbine abradable seal is prepared by plasma spraying an oxidation resistant metallic material and boron nitride. The resultant structure comprises a metallic matrix encompassing a lubricating amount of boron nitride, with porosity of less than abou... | 07/16/1996 |
| 5518257 | Seal device for flow line applications A seal device is adapted to be interposed and compressed between joined pieces in a flow line that is operative to convey a flowing fluid. The seal device comprises an inner seal member and an outer seal retainer member. The inner seal member has a centra... | 05/21/1996 |
| 5484665 | Rotary seal member and method for making A rotary seal member, such as a gas turbine engine blade, is provided with an improved surface layer which has an elastic modulus matched with the elastic modulus of a substrate of the member. Also, the surface layer does not form a brittle intermetallic ... | 01/16/1996 |
| 5454574 | Composite powdered metal combustion seal ring An annular combustion seal ring for an engine gasket includes a central section having a generally circular cross-section and at least one tab section extending radially away from the central section. The ring is formed from a homogeneous composite powder... | 10/03/1995 |
| 5443919 | Slide member A slide member includes a surface layer having a slide surface for sliding on a mating member, wherein the surface layer has metal crystals belonging to a cubic system with a crystal plane of high atomic density directed toward the slide surface and form ... | 08/22/1995 |
| 5443920 | Slide member A slide member includes a surface layer having a slide surface for sliding on a mating member, wherein the surface layer has metal crystals belonging to a cubic system with a crystal plane of high atomic density directed toward the slide surface and form ... | 08/22/1995 |
| 5411609 | Section steel wire of oil ring A section steel wire for an oil ring for use in an internal combustion engine, consisting essentially of, by weight, 0.6 to 1.5% carbon, not more than 1.5% Si, not more than 1.5% Mn, more than 20% and not more than 25% Cr, and optionally containing at lea... | 05/02/1995 |
| 5316321 | Nonferrous piston ring with hard surface treatment layer A piston ring is made of a titanium alloy, at least an outer peripheral surface and upper and lower surfaces thereof are formed with a nitrogen diffused layer, and at least an outer peripheral sliding surface thereof is coated with a hard film by physical... | 05/31/1994 |
| 5308089 | Combined oil ring In a three-piece combined oil ring comprising a pair of side rails and provided between them a spacer expander, the side rails are each provided in the inner edge thereof with a plurality of cutouts at given intervals, thereby providing a combined oil rin... | 05/03/1994 |
| 5304262 | Two-piece oil ring for use in internal combustion engine, steel wire of modified cross-section for use as material of the oil ring and method of producing the steel wire A two-piece oil ring, for use in an internal combustion engine, with the oil ring being made from a martensitic stainless steel material having high consisting essentially of more than 0.8 wt % but less than 0.95 wt % of C, not more than 1.0 wt % of Si, n... | 04/19/1994 |
| 5137283 | Thermally conductive gasket device A gasket is formed by encapsulating a thermally conductive low melting temperature material or core in a plastic skin. The low melting temperature material conforms to the shape of the interface completely filling all voids once heated above its melting t... | 08/11/1992 |
| 4983468 | Metallic slide members to be used with ceramic slide members and sliding assemblies using the same A metallic slide member is disclosed which is advantageously used in combination with an opponent ceramic slide member. The metallic slide member is capable of forming a metal coat lubricating layer on a sliding surface of the ceramic slid member through ... | 01/08/1991 |
| 4927164 | Ferrofluid seal with epoxy pole pieces In a ferrofluid seal which comprises a magnet and at least one pole piece, the pole piece is fabricated from a ferromagnetic material which directly bonds to the magnet face. Since the pole piece material directly bonds to the magnet, no additional adhesi... | 05/22/1990 |
| 4878678 | High temperature metallic gasket A metallic gasket for sealing a joint between first and second surfaces subjected to high pressure and high temperature. Other gaskets used to seal such joints are of a fibrous composition held together by a suitable bonding agent and a deformable elastom... | 11/07/1989 |
| 4566700 | Abrasive/abradable gas path seal system An abradable/abrasive seal system having particular utility in gas turbine engines is described. The seal system includes an abrasive layer (40) which prevents direct interaction between components (30, 20) having relative motion and an abradable layer (4... | 01/28/1986 |
| 4537632 | Spherical aluminum particles in coatings Coating compositions, coatings, coated parts and methods of use of chromate/phosphate type compositions. The coating compositions are of a type which contains small spheroidal aluminum particles having a defined size. The coated materials of the invention... | 08/27/1985 |
| 4513977 | Steel floating seal with remelted deposit-alloyed wear surfaces A floating seal provided at its seal face with a hardened portion, in which the body of the floating seal is made of steel, and in which the sealing member is provided at its seal face with a deposit-alloyed surface obtained by surface remelting.... | 04/30/1985 |
| 4477085 | Fire resistant connections embodying heat transfer means A fire resistant connection (16) having heat transfer means (46) cooperatively associated therewith and that embodies a U-like sealing means (44). The fire resistant connection (16) with heat transfer means (46) is operative for purposes of effectuating t... | 10/16/1984 |
| 4386969 | Ferrous alloy and abrasion resistant articles thereof An abrasion resistant alloy consists essentially of (by weight): with not substantially more than trace quantities of sulfur, phosphorous and tungsten. The alloy is suitable for forming into sealing rings of grit seal assemblies, which rotate relative to one a... | 06/07/1983 |
| 4365815 | Means providing coolant between elements of radial face seals For cooling the working face of mechanical working elements, such as bearings, rotary seals and friction devices, the cooling fluid flows through a passage which is located behind the working face and contains a porous thermally-conductive mass having int... | 12/28/1982 |
| 4337951 | Pressurized face seal with initial run-in surface In order to seal a rotating shaft in relation to a stationary housing portion or part a sealing bushing is arranged between both of these parts. The sealing bushing, while forming a sliding fit and being non-rotatable during operation, is arranged in a ho... | 07/06/1982 |
| 4323257 | Piston ring with a Cr-C-Fe inlaid ring in its outer surface, and a method of making it A piston ring preform is formed with a groove dividing its cylindrical outer surface, and this groove is filled up by plasma-spraying with a deposit of alloy whose surface is flush with the cylindrical outer surface of the preform not deposited with alloy... | 04/06/1982 |
| 4281841 | O-Ring sealing arrangements for ultra-high vacuum systems An all metal reusable O-ring sealing arrangement for sealing two concentric tubes in an ultra-high vacuum system. An O-ring of a heat recoverable alloy such as Nitinol is concentrically positioned between protruding sealing rings of the concentric tubes. ... | 08/04/1981 |
| 4261583 | Unitary rod gland assembly A rod gland assembly comprising a rod gland core made from a rigid material and adapted to be positioned in a cylinder, between the cylinder bore and a piston rod, and a multiple function seal/wiper/piston cushion element molded from a flexible material o... | 04/14/1981 |
| 4227703 | Gas seal with tip of abrasive particles An improved gas seal between a stationary member and a movable member, one of which includes an abrasive tipped projection directed toward a surface of the other, for example a turbine engine blade and a cooperating shroud member, is provided through an i... | 10/14/1980 |
| 4160551 | Seal assembly There is disclosed a seal assembly comprising alternate, generally "V"-shaped layers of graphite and a spring metal which are nested one within the other for sealing between the relatively movable, generally coaxial cylindrical surfaces of an annular rece... | 07/10/1979 |
| 4156530 | Sealed assembly A sealed assembly of two cooperating movable or stationary parts with a gap separating different-pressure media, which comprises at least one recess formed in one of said parts to accommodate a liquid seal, said recess communicating with said gap, and a p... | 05/29/1979 |
