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 |
| 8087134 | Process for making a heat exchanger A process for making a heat exchanger comprising extruding a profile (1) composed of a number of parallel tubes (2) and web-like portions (3) interconnecting said tubes (2), removing part of the connection made by the web-like portions ( | 01/03/2012 |
| 7934301 | Method of manufacturing expanded metal A sheet of expanded metal produced by slitting a sheet of metal, and stretching along a stretching direction, which sheet of expanded metal forms a grid of openings having a first repetition length in the stretching direction and a second repetition length in the di... | 05/03/2011 |
| 7934300 | Method for producing expanded metal profiles A method for producing expanded metal profiles, consisting of subjecting a metal strip of width less than the development of the profile to be produced to the following operations: —forming longitudinal slits in at least that longitudinal band which is to form the... | 05/03/2011 |
| 7814628 | Grid for a battery plate, method of producing the same, and battery using the same A grid for a battery plate is made by forming a metal sheet is formed into a grid-like shape. Rupture due to torsion or stress concentration does not occur in a basal portion of a wire which is drawn out from a node of the grid, thereby preventing corrosion due to e... | 10/19/2010 |
| 7735205 | Expanded metal machine and method of producing expanded metal Expanded metal machine includes a stationary knife and an adjustable knife which is adjustable in a vertical direction and a transverse direction. The adjustable knife includes a cutting edge with spaced-apart cutting projections in the transverse direction. A trans... | 06/15/2010 |
| 7389811 | Expanded metal A sheet of expanded metal produced by slitting a sheet of metal, and stretching along a stretching direction, which sheet of expanded metal forms a grid of openings having a first repetition length in the stretching direction and a second repetition length in the di... | 06/24/2008 |
| 7368175 | Metal band as an inlay for trim strips or sealing strips A metal band as an inlay for trim strips or sealing strips of flexible material, in particular of rubber or plastic, which is in particular bent to form a shape, having a plurality of slots, in particular periodically sequential slots in the longitudinal direction o... | 05/06/2008 |
| 7310919 | Grain bin flooring system A grain bin floor panel formed from sheet metal. The grain bin floor panel is comprised of a first flange, a second flange, and a center support disposed between the first flange and the second flange. The center support is connected to the first flange by a first s... | 12/25/2007 |
| 7300457 | Self-supporting metallic implantable grafts, compliant implantable medical devices and methods of making same Implantable medical grafts fabricated of metallic or pseudometallic films of biocompatible materials having a plurality of microperforations passing through the film in a pattern that imparts fabric-like qualities to the graft or permits the geometric deformation of... | 11/27/2007 |
| 7279003 | Stent graft tapered spring A stent graft includes a stent graft material of cylindrical shape and tapered stent springs coupled to the stent graft material. Each stent spring includes a first stent cell and a second stent cell contiguous with the first stent cell. The first stent cell and the... | 10/09/2007 |
| 7195641 | Valvular prostheses having metal or pseudometallic construction and methods of manufacture This invention relates to improvements in prosthetic cardiac and venous valves and implantable medical devices having moveable septa. The inventive prosthetic cardiac and venous valves have metallic or pseudometallic valves coupled to metallic or pseudometallic sten... | 03/27/2007 |
| 7171988 | Tubing for hydrostatic forming, hydrostatic forming apparatus, and hydrostatic forming method using the apparatus A tubing including an overlap portion formed by the first and second circumferential end portions overlapping and joined with each other, and a fluid leakage preventing member for preventing pressurized fluid from leaking from the tubing upon the tubing being subjec... | 02/06/2007 |
| 7155797 | Continuous manufacturing system for composite aluminum panels A continuous manufacturing system for composite aluminum panels comprises a continuous expanding device for expanding a raw material of a core and a main body of a continuous manufacturing system of composite aluminum panels. The continuous expanding device consists... | 01/02/2007 |
| 7104306 | Cast unitized primary truss structure and method A truss structure well suited for use as an engine strut on a commercial aircraft. The truss structure is cast as a single piece integrally formed component from a titanium alloy or another suitably lightweight, structurally strong material. The truss structure incl... | 09/12/2006 |
| 7012231 | Microwave component heating apparatus A system and method for thermally expanding a product submerged in heating medium located in an internal compartment of a microwave oven. The heating medium is subjected to low doses of micro-radiation in order to become heated and thermally expand the encapsulated ... | 03/14/2006 |
| 7007354 | Process for making ornamental device A three-dimensional ornamental device adapted for rotation about an axis to produce a changing perspective that creates an interesting visual effect can be made by a process including the steps of cutting a sheet of material into a desired geometric shape, making cu... | 03/07/2006 |
| 6998590 | Microwave component heating method A system and method for thermally expanding a product submerged in heating medium located in an internal compartment of a microwave oven. The heating medium is subjected to low doses of micro-radiation in order to become heated and thermally expand the encapsulated ... | 02/14/2006 |
| 6953641 | Battery grid A method of forming battery grids or plates that includes the step of applying a lead alloy coating to a continuous strip of interconnected battery grids formed from a lead alloy grid material is disclosed. The battery grids may be formed by a continuous battery gri... | 10/11/2005 |
| 6944942 | Apparatus for one-step rotary forming of uniform expanded mesh A single step method and apparatus for the production of expanded metal mesh from deformable metal strip such as lead or lead-alloy strip for use in lead-acid battery manufacture. The apparatus comprises a pair of opposed rolls each having a plurality of spaced disc... | 09/20/2005 |
| 6942690 | Single-piece endoprosthesis with high expansion ratios and atraumatic ends A new endoluminal prosthesis for use in sealing a vascular graft to corporeal lumen provides for a flattened bulbous tail at the end of each cell of the prosthesis. The flattened bulbous tails reduce the amount of wear between the prosthesis and the softer material ... | 09/13/2005 |
| 6886439 | Paper elimination in the production of battery plates A method and apparatus for continuously producing pasted positive and negative electrode plates from pasted lead or lead alloy expanded, punched or cast metal mesh strip for use in lead-acid batteries without the use of paper barriers. The heating of cutting devices... | 05/03/2005 |
| 6797403 | Continuous extruded lead alloy strip for battery electrodes A method of producing lead alloy strip for fabrication of positive and negative electrodes of a lead-acid battery by extruding a lead alloy at elevated temperature to produce a lead alloy strip having a desired profile and rapidly cooling the extruded strip to acqui... | 09/28/2004 |
| 6782921 | High-strength steel pipe excellent in formability and burst resistance A high-strength steel pipe excellent in formability and burst resistance wherein, when a high-strength steel pipe exceeding 850 N/mm2 in tensile strength is produced by a UOE method, a ratio (R/r) of an average radius of curvature in a range of 120 mm in ... | 08/31/2004 |
| 6749950 | Expanded grid Provided for herein is a method of making an expanded metal grid, comprising: compression rolling a metal strip at a reduction ratio from about 1.25 to 1, to about 25 to 1 to produce a rolled strip, heating the rolled strip at a temperature of at least about 125° C... | 06/15/2004 |
| 6704981 | Superplastic forming method A method of forming sheets of superplastically formable material into a three dimensional article, the sheets being joined together along diffusion bonds to form discrete cells, at least one gas path being provided through the bond between cells. The sheets are heat... | 03/16/2004 |
| 6691386 | One-step rotary forming of uniform expanded mesh A single step method and apparatus for the production of expanded metal mesh from deformable metal strip such as lead or lead-alloy strip for use in lead-acid battery manufacture. The apparatus comprises a pair of opposed rolls each having a plurality of ... | 02/17/2004 |
| 6629016 | Apparatus and method of manufacturing expanded sheet metal An apparatus and method for creating expanded and non-expanded regions on a sheet of sheet metal. The apparatus includes a programmable controller, a sheet metal feeder for incrementally advancing the sheet metal, and a cutter/expander for generating rows... | 09/30/2003 |
| 6609279 | Filling material, and method of and arrangement for making such a filling material A filling material includes a web of sheet made of metal, in particular aluminum, or of dimensionally stable flexible material, especially plastic, with the sheet being perforated with evenly spaced slits extending parallel in longitudinal direction of th... | 08/26/2003 |
| 6532995 | Super-high-strength line pipe excellent in low temperature toughness and production method thereof To provide a super-high strength line pipe that is excellent in low temperature toughness, can be field welded easily, and has a tensile strength of at least 900 MPa (exceeding ×100 of the API standard), and a production method thereof. The present inven... | 03/18/2003 |
| 6532787 | Process of manufacturing a core metal insert A core metal insert for use in a sealing assembly is disclosed. The core metal insert is manufactured by a process which includes the step of cutting a plurality of left lateral outermost inboard slits and a plurality of right lateral outermost inboard sl... | 03/18/2003 |
| 6526637 | Device for continuous production of foil expanded metal A device for continuous production of foil expanded metal comprising a cutting unit for continuous production of parallel, staggered longitudinal cuts in the foil, and an expansion unit for expanding the foil with the cuts perpendicularly to the longitudi... | 03/04/2003 |
| 6425181 | Method and a machine for the production of accumulator plates The method comprises the steps of: moving a strip through an expansion machine having at least one expansion punching tool and an associated complementary tool or matrix, causing the expansion machine to operate in synchronism with the movement of the str... | 07/30/2002 |
| 6419146 | Metal sandwich structure with integral hardpoint A superplastically formed, diffusion bonded sandwich structure having integral metal hardpoints, made by joining two superplastic metal core sheets together into a core pack by welding or diffusion bonding along a pattern of lines which form junction line... | 07/16/2002 |
| 6349774 | Compositions of matter for stopping fires, explosions and oxidations of materials and build up of electrostatic charges An expandable metal product for use in extinguishing fires and in the prevention of or protection against explosions. The product is a continuous sheet of material having discontinuous slits in spaced apart lines parallel to each other but transverse to t... | 02/26/2002 |
| 6327772 | Method for fabricating a planar eversible lattice which forms a stent when everted Methods and articles for fabricating expansive stents having generally cylindrical configurations with a pattern therein include interconnecting portions from a generally planar sheet of material with a central portion. A pattern is formed in the sheet of... | 12/11/2001 |
| 6243932 | Manufacturing method of expanded grid and its manufacturing apparatus A manufacturing method for an expanded grid includes the steps of: (a) supplying a thin plate of band form from the longitudinal direction, (b) forming a plurality of intermittent cuts parallel to the edge in a first region, excluding the central portion,... | 06/12/2001 |
| 6221506 | Bushing base with mounted nozzles The invention relates to a method of manufacturing a bushing baseplate, and to a bushing baseplate. The bushing baseplate is characterized in that it comprises tips (18) constituted by hollow tubular elements of outside diameter slightly smaller than the ... | 04/24/2001 |
| 6212744 | Apparatus for expanding a metal sheet The apparatus comprises a reticulating machine (39) for simultaneously producing in metal sheet (2) of strip form a plurality of slits (67) disposed in a continuous and zigzag arrangement extending in the lengthwise direction thereof, and an expanding mac... | 04/10/2001 |
| 6202271 | Method and apparatus for manufacturing expanded mesh sheet and battery using this expanded mesh sheet An apparatus and method for producing expanded mesh sheets provides for forming fine slits in a metal sheet at a slit section by plate cutters, but excluding portions in a center and both sides in a widthwise direction of the metal sheet. The areas where ... | 03/20/2001 |
| 6167601 | Method for manufacturing ventilated sheet-metal floor members A method of manufacturing interlocking sheet metal floor members for use in a grain storage bin or like application requiring passage of fluid through the floor members without permitting passage of granular material therethrough. The method comprises the... | 01/02/2001 |
