Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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 |
| 7407715 | Method of brazing and article made therefrom A method of brazing stainless steel components to form a complex shape such as an impeller. The method includes the steps of providing the stainless steel components shaped and formed from a selected stainless steel alloy; providing a brazing alloy having a selected... | 08/05/2008 |
| 7367099 | Method for assembling two parts having accurate dimensions and use for brazing of a linac RFQ accelerator A method of assembling two parts of which the dimensions of one of the parts or the final assembly are to be adhered to with precision. In the part whose dimensions are to be adhered to with the highest level of precision, a groove is machined to have a depth greate... | 05/06/2008 |
| 7261784 | Method of making a coating on a metal substrate and/or an article, such a coating, such a metal substrate and/or an article, and a cam forming such an article The method of the invention enables a coating to be made on at least one face to be protected of a metal substrate and/or article in order to improve its performance in terms of resistance to wear by friction, in particular at high temperature. The method comprises ... | 08/28/2007 |
| 7204302 | Exhaust gas heat exchanger A tube 101 is constituted by a pair of plates 111a, 111b which are fitted with each other in such a manner as to put an inner fin 101b between the plate 111a and the plate 111b. Differences... | 04/17/2007 |
| 7179540 | Plate type heat exchanger and method for manufacture thereof A plate type heat exchanger wherein contacting portions of laminated plural plates and fins or contacting portions of laminated plural plates are brazed to form a heat exchange area, characterized in that at least the surface of a plate or fin contacting with a flui... | 02/20/2007 |
| 6935555 | Method of brazing and article made therefrom A method of brazing stainless steel components to form a complex shape such as an impeller. The method includes the steps of providing the stainless steel components shaped and formed from a selected stainless steel alloy; providing a brazing alloy having a selected... | 08/30/2005 |
| 6848609 | Method of making finned tubes In a method of making finned tubes as components of air-cooled systems or condensers, a sheet metal strip of aluminum is first shaped into a waved finned structure with plural fins in parallel relationship and arched ends for connecting the fins, thereby defining cr... | 02/01/2005 |
| 6783870 | Self-brazing materials for elevated temperature applications This invention describes the roll bonding of Al and Ni-bearing Cu alloys to suitable substrates to produce self-brazing materials for the elevated temperature, aggressive environment application. The Al and Ni-bearing Cu alloy for the self-brazing layers can be obta... | 08/31/2004 |
| 6715667 | Method of joining steel tubes with aluminum ribs In a method for joining a steel tube with an aluminum rib, a zinc-aluminum alloy layer, having an aluminum content of 0.5% by wt. to 20% by wt., is applied to the surface of the steel tube or the aluminum rib, and then a fluxing agent in the form of cesium-aluminum ... | 04/06/2004 |
| 6698644 | Use of silver-copper-palladium brazing alloys A single-tube Coriolis mass flow sensor includes a stainless steel sleeve having an unplated interior surface and a titanium member having a cylindrical end inserted into the stainless steel sleeve. The exterior surface of the titanium cylindrical end for... | 03/02/2004 |
| 6203754 | Brazing filler metal superior in corrosion resistance and heat resistance, and EGR cooler brazed with said brazing filler metal The present invention provides a brazing filler metal whose brazing temperature is 1060-1120° C. which is close to that of BNi-2 specified in JIS Z3265. The present invention also provides a brazing filler metal which has a melting point of 890-980° C. ... | 03/20/2001 |
| 6177205 | Process for producing a permanent way component and such a component A process for manufacture of a railroad track part, in particular a large points part, with rail parts such as a frog point and connecting rails, and the track part obtained. The track part is made of materials of differing composition, one of which is a ... | 01/23/2001 |
| 6168069 | Method of brazing titanium to stainless steel Surprisingly, silver-copper-palladium brazing alloys, which have hitherto been used only for the brazing of components of the same material, are also very well suited for brazing directly titanium to stainless steel if, the latter component clasps the tit... | 01/02/2001 |
| 6156134 | Bonding method of dual phase stainless steel In a method of bonding ferric and austenitic dual stainless steels, an insert material made of a Ni base alloy having a melting point below 1290° C. is put between the bonding cross section faces of mother material steels comprising a dual phase stainles... | 12/05/2000 |
| 6142362 | Sheet metal layers of a layer-like configuration with rolled-on brazing material and process for the production of a honeycomb body therefrom A sheet metal layer of a layer-like configuration with rolled-on brazing material and a process for producing a honeycomb body by stacking and/or winding sheet metal layers made of a layered material. At least a part of sheet metal layers for honeycomb bo... | 11/07/2000 |
| 6143099 | Process for the production of a brazed honeycomb body using sheets of a layer-like configuration A process for the production of a brazed honeycomb body with sheets having a layer-like configuration, includes stacking and/or winding sheet metal layers at least partially having a structure for forming passages through which a fluid can flow. At least ... | 11/07/2000 |
| 6112971 | Multi-nozzle combustion end cover vacuum brazing process A brazing process is provided that addresses the braze joint failure problems encountered in some multi-nozzle combustion end covers. The brazing process embodying the invention provides optimal, predictable low cycle fatigue joint life in particular when... | 09/05/2000 |
| 6074500 | Method for producing a metal component made up of two partial elements A method for producing a metal component which is made up of at least two partial elements with differing material properties is distinguished in that a first partial element made of a steel material, which can be tempered, is preassembled in a recess in ... | 06/13/2000 |
| 5964398 | Vane member and method for producing joint A vane member comprises a first member and a second member, the first member and the second member are joined by that an insert member whose melting temperature is lower than melting temperatures of the first and second members contacts the first and seco... | 10/12/1999 |
| 5881635 | Enamelled cookware and method of manufacturing it The enamelled cookware has a deep drawn shell of steel plate, placed beneath the base of which is a copper sheet. The latter is covered with a base plate comprising steel plate. The copper sheet is alloyed with the adjacent steel plates by high temperatur... | 03/16/1999 |
| 5871140 | Hollow shaft and method of making same The invention provides methods of manufacturing stainless steel tubing, pipe and shafts by utilizing air hardenable stainless steel. Such pipe, tubing and shafts have the important characteristics of low weight, shaft flex, torque, bend point and strength... | 02/16/1999 |
| 5759300 | Liquid-phase diffusion bonding alloy foils for joining heat-resistant metals in oxidizing atmospheres Alloy foils for liquid-phase diffusion bonding of heat-resisting metals in an oxidizing atmosphere comprise 6.0 to 15.0 percent silicon, 0.1 to 2.0 percent manganese, 0.50 to 30.0 percent chromium, 0.10 to 5.0 percent molybdenum, 0.50 to 10.0 percent vana... | 06/02/1998 |
| 5620130 | Process for producing a die plate for underwater granulation of plastic material with an intermediate nickel alloy layer A die plate for the underwater granulation of thermoplastic material is formed with a base plate of an iron alloy, a hard annular cutting plate of titanium-carbide alloy, and an intermediate buffer layer containing nickel between the base plate and the cu... | 04/15/1997 |
| 5542993 | Low melting nickel-palladium-silicon brazing alloy A palladium-based alloy is disclosed having a composition consisting essentially of nickel in the range of about 3 to about 30 atom percent, silicon in the range of about 15 to about 20 atom percent, the balance being palladium plus incidental impurities.... | 08/06/1996 |
| 5513794 | Method for fixing stopper ring to pipe spigot A method for fixing a stopper ring to the outer periphery of the spigot of a cast iron pipe for preventing separation of the pipe from another pipe. A single or plural annular grooves are formed on the inner periphery of the stopper ring, and a brazing fi... | 05/07/1996 |
| 5346096 | Radiation-shielding transport and storage container A radiation-shielding storage/transport container has a cast-iron vessel having an open end defining an end face, a steel ring engaging the end face and forming at least one annular seat, a weld unitarily bonding the ring to the end face, and a cover secu... | 09/13/1994 |
| 5314109 | Brazing alloy and method of brazing A method of joining orthodontic appliances or dental appliances by brazing with an alloy material containing at least about 50% by weight silver and at least about 20% by weight gold.... | 05/24/1994 |
| 5184514 | Corrosion resistant isolator An isolator for use in pressure transmitters for isolating the process fluid being sensed from a sensor, comprises an isolating diaphragm that is thin, and made of a suitable corrosion resistant metal, such as tantalum, and which must be anchored to an is... | 02/09/1993 |
| 5018662 | Coating and brazing technique A coating and brazing technique for the manufacture of an assembly of metallic components for use in the fuel system of an internal combustion engine. A layer of corrosion resistant material is deposited on the interior of the various metallic components.... | 05/28/1991 |
| 4955524 | Extrusion die construction and its method of manufacture In accordance with a preferred embodiment, a monolith extrusion die is formed by a plurality of individual tube elements bonded together as a tube stack defining a plurality of extrudable material feed holes and reference guides for a plurality of individ... | 09/11/1990 |
| 4890783 | Ceramic-metal joining A method for improving the reliability of a ceramic-metal joint by reducing the dynamic mismatch stresses and strains on the ceramic due to the mismatch in thermal expansions of the two materials. This is done by bonding with a metal layer the ceramic to ... | 01/02/1990 |
| 4883745 | Silver-copper-titanium brazing alloy containing crust inhibiting element A silver-copper-titanium brazing alloy contains a small amount of tin, indium, silicon, aluminum or manganese as a crust inhibiting element.... | 11/28/1989 |
| 4880154 | Brazing In the brazing of a component which comprises a carbide substrate carrying a layer of PCD (polycrystalline diamond) to a steel body, appropriately shaped brazing shims are placed between mating surfaces which are to be brazed. The component is forced towa... | 11/14/1989 |
| 4875619 | Brazing of ink jet print head components using thin layers of braze material A first surface of a first metal component of an ink jet print head is bonded to a second surface of a second metal component of the ink jet print head, the first and second surfaces being of materials having the same or similar coefficients of thermal ex... | 10/24/1989 |
| 4871108 | Silicon carbide-to-metal joint and method of making same A method of preparing a surface of a silicon carbide article for joining by metal brazing to metal by micro-roughening that surface of the silicon carbide which is to be brazed, applying catalyst consisting essentially of aqueous PdCl2 directly... | 10/03/1989 |
| 4821819 | Annular shim for construction bit having multiple perforations for stress relief Formation of a continuous double sandwich braze joint between a bit body of a conical bit and a carbide insert tip disposed in a cylindrical recess formed in a forward end of the bit body is facilitated by a cylindrical shim. In one form, the shim is a cy... | 04/18/1989 |
| 4817742 | Butterfly-type shim having perforations in mid-section thereof and double sandwich braze joint produced therewith Formation of a double sandwich braze joint between the steel body of a bit and a carbide insert tip disposed in a groove formed across the body is facilitated by a butterfly-type shim having an array of perforations defined through its bottom wall and sid... | 04/04/1989 |
| 4802933 | Nickel-palladium based brazing alloys A nickel-palladium-based brazing alloy is disclosed having a composition consisting essentially of about 38 to about 55 atom percent palladium, about 19 to about 34.5 atom percent iron, about 11 to about 20 atom percent silicon, the balance being essentia... | 02/07/1989 |
| 4801072 | Homogeneous, ductile brazing foils Metal parts are brazed by means of an amorphous filler metal foil. The brazing foil, useful for brazing stainless steels, has a composition consisting essentially of about 0-10 atom percent iron, about 0-20 atom percent chromium, about 3-5 atom percent mo... | 01/31/1989 |
| 4785989 | Clad system for brazing to alumina Alumina is bonded to a metal by means of an active brazing filler alloy. When the metal to which the alumina is bonded is a high blushing metal, that is, a metal on which the active brazing filler alloy readily flows on the surface, a thin layer of a low ... | 11/22/1988 |
