Bizarre Patents
A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person
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 |
| 7833362 | Method for improving creep resistance and low cycle fatigue properties of pressure-containing components A method by which high temperature properties of a ductile iron alloy, including creep and LCF properties, can be increased for pressure-containing components that are subject to creep and low cycle fatigue. The method comprises modifying the ductile iron alloy to c... | 11/16/2010 |
| 7273026 | Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i... | 09/25/2007 |
| 7200198 | Recirculating target and method for producing radionuclide An apparatus for producing a radionuclide includes a target chamber, a particle beam source operatively aligned with the target chamber, and a regenerative turbine pump for circulating a target fluid through the target chamber via first and second liquid transports.... | 04/03/2007 |
| 7070666 | Machinable austempered cast iron article having improved machinability, fatigue performance, and resistance to environmental cracking and a method of making the same A machinable austempered cast iron article has improved strength, machinability, fatigue performance, and resistance to environmental cracking. A method of making the machinable austempered cast iron article includes austenitizing an iron composition having a substa... | 07/04/2006 |
| 6811624 | Method for production of dual phase sheet steel Dual phase steel sheet is made using a time/temperature cycle including a soak at about 1340-1425F and a hold at 850-920F, where the steel has the composition in weight percent, carbon: 0.02-0.20; aluminum: 0.010-0.150; titanium: 0.01 max; silicon: 0.5 max; phosphor... | 11/02/2004 |
| 6800152 | Process for making iron-based casting alloy A process for making an iron-based casting alloy is performed by combining an iron-carbon-chromium system with primary carbides of vanadium, niobium, titanium, or combinations thereof without eutectic carbides of vanadium, niobium and titanium. Eutectic chromium car... | 10/05/2004 |
| 6746550 | Compacted graphite cast iron alloy and its method of making A process for producing a compacted graphite iron (CGI) article, comprising the steps of: (a) providing a CGI base iron having a composition comprising, in weight percentages, about 3.2 to 3.8 total C, 2.8 to 4.0 Si and the balance at least Fe and incidental impurit... | 06/08/2004 |
| 6544359 | Method to produce compacted graphite iron (CGI) The invention relates to a method of producing objects of cast iron containing compacted (vermicular) graphite crystals, by preparing a cast iron melt having substantially a carbon content at the desired final level and a silicon content below the desired... | 04/08/2003 |
| 5876523 | Method of producing spheroidal graphite cast iron article A method of producing a spheroidal graphite cast iron article containing at least one pearlite stabilizing element selected from the group consisting of Mn, Cu, Sn, Sb and Pb and having a double layer structure which comprises a surface layer portion and ... | 03/02/1999 |
| 5248354 | Method for the preparation of a body of austempered ductile cast iron A unique method is proposed for the preparation of a body of an austempered ductile cast iron having a gradient of the mechanical property within the body by subjecting a body of a nodular graphite cast iron to an isothermal transformation treatment for a... | 09/28/1993 |
| 4990194 | Thin high-strength article of spheroidal graphite cast iron and method of producing same A thin high-strength article of spheroidal graphite cast iron having graphite particles dispersed in a ferrite matrix containing 10% or less of pearlite, characterized in that there are substantially no fine gaps between the graphite particles and the fer... | 02/05/1991 |
| 4744211 | Detachable chain and method of producing the same A detachable chain composed of chain links is broadly used as a conveyor chain with attachments for various kinds of articles to be conveyed, or as a power transmitting chain. The conventional chain of this type, however, could convey only light load when... | 05/17/1988 |
| 4541878 | Cast iron with spheroidal graphite and austenitic-bainitic mixed structure A high ductility machinable cast iron with mixed austenitic-bainitic structure is made by a method which involves limiting the manganese content to less than 0.3% by weight and utilizing a substantially lower temperature austenitizing heat treatment (820Â... | 09/17/1985 |
| 4396442 | Ductile cast iron roll and a manufacturing method thereof The present invention relates to a ductile cast iron roll which is excellent in its resistance breaking and which has the chemical composition comprising 3.0-3.8% C, 1.5-2.5% Si, 0.2-1.0% Mn, 0.01-0.2% P, less than 0.06% S, 0.7-3.0% Ni, 0.1-0.6% Cr, 0.1-0... | 08/02/1983 |
| 4177088 | Process and installation for heat treating spheroidal or lamellar graphite cast iron pipes A process for effecting an annealing treatment of a spheroidal or lamellar graphite cast iron pipe. While the pipe is driven in rotation about the axis of the pipe, it is suspended substantially horizontally as it issues from the centrifugal casting machi... | 12/04/1979 |
| 4099994 | High duty ductile case iron and its heat treatment method A ductile cast iron having a high tensile strength as well as a high elongation due to its matrix structure of finely mixed ferrite and pearlite grains obtained by the heat treatment. The material is pearlitic ductile cast iron and may be of ordinary duct... | 07/11/1978 |
| 4096002 | High duty ductile cast iron with superplasticity and its heat treatment methods A spheroidal graphite cast iron containing some carbide stabilizing elements to have the maximum strain rate sensitivity factor of more than 0.3 and having very refined grain matrix structure, so that having an improved toughness at room temperature and h... | 06/20/1978 |
