Quotables
"During my service in the United States Congress, I took the initiative in creating the Internet."
Al Gore ; The basis for the later misquote by US Republicans that Gore had "invented" the Internet. Gore was the leading political champion of the modern-day Internet.
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 |
| 7985306 | High corrosion resistance precipitation hardened martensitic stainless steel A precipitation-hardened stainless steel alloy comprises, by weight: about 14.0 to about 16.0 percent chromium; about 6.0 to about 7.0 percent nickel; about 1.25 to about 1.75 percent copper; about 0.5 to about 2.0 percent molybdenum; about 0.025 to about 0.05 perce... | 07/26/2011 |
| 7294212 | High-strength stainless steel material in the form of a wheel rim and method for manufacturing the same Material for stainless steel sheets is heated to a temperature within a range of 850 to 1250° C. and cooled at a rate 1° C./s or faster, the material including 0.02% by mass or less of C, 1.0% by mass or less of Si, 2.0% by mass or less of Mn, 0.04% by mass or les... | 11/13/2007 |
| 7273584 | Method of manufacturing oxide dispersion strengthened martensitic steel excellent in high-temperature strength having residual α-grains An oxide dispersion strengthened martensitic steel excellent in high-temperature strength having residual α-grains can be manufactured by a method comprising mixing either element powders or alloy powders and a Y2O3 powder; subjecting the resu... | 09/25/2007 |
| 7217330 | Turbine rotor heat treatment process A method of heat treating a turbine rotor disk to obtain different radial properties at different locations in the rotor disk includes a) heating the rotor disk for a period of from 4 to 10 hours at a temperature of 1800° F.; b) cooling the rotor disk to a temperat... | 05/15/2007 |
| 7094295 | Ferritic stainless steel sheet having good workability and manufacturing method thereof A method of manufacturing a ferritic stainless steel sheet having good workability with less anisotropy. The steps include providing a ferritic stainless steel comprising C up to about 0.03 mass %, N up to about 0.03 mass %, Si up to about 2.0 mass %, Mn up to about... | 08/22/2006 |
| 7037383 | Process for producing a component from metal A process for producing a component of metal includes a) carrying out a heat treatment to harden the component, which ends with a heating process, especially with a tempering or microstructural transformation process, at a given temperature (TE); b) carry... | 05/02/2006 |
| 6997994 | Ni based alloy, method for producing the same, and forging die A solution treatment is firstly performed for a non-heat-treated Ni based alloy having a composition equivalent to that of Inconel 718 (registered trademark). Subsequently, a primary aging treatment is applied by holding the Ni based alloy at 610 to 660° C. for 5 t... | 02/14/2006 |
| 6921497 | Composition of matter tailoring: system I The present invention relates to new compositions of matter, particularly metals and alloys, and methods of making such compositions. The new compositions of matter exhibit long-range ordering and unique electronic character. ... | 07/26/2005 |
| 6893727 | Metal gasket and a material for its manufacture and a method for their manufacture This invention relates to a stainless steel gasket having markedly improved strength and fatigue properties due to precipitation strengthening. Its composition comprises C: at most 0.03%, Si: at most 1.0%, Mn: at most 2%, Cr: 16.0%-18.0%, Ni: 6.0%-8.0%, N: at most 0... | 05/17/2005 |
| 6893608 | Steel for plastic molds and process for their heat treatment Maraging steel with improved machinability, good weldability, and high corrosion resistance, a process for the heat treatment of such a steel, as well as its use. According to the invention this steel contains (in % by weight) 0.02-0.075% carbon; 0.1-0.6% silicon; 0... | 05/17/2005 |
| 6811622 | Semifinished and finished products made of austenitic special steel and method for the production thereof The invention relates to semifinished and finished products made from special corrosion-resistant precipitation-hardened austenitic steel containing a large amount of intersticially dissolved nitrogen, comprising substantially smooth surfaces. The invention also rel... | 11/02/2004 |
| 6793744 | Martenstic stainless steel having high mechanical strength and corrosion The present invention relates to a martensitic stainless steel that can be used in manufacturing articles such as a shaft or an impeller which require high mechanical strength and corrosion resistance and provides a martensitic stainless steel comprising less than 0... | 09/21/2004 |
| 6641780 | Ferritic stainless steel having high temperature creep resistance A ferritic stainless steel having improved high temperature mechanical properties includes greater than 25 weight percent chromium, 0.75 up to 1.5 weight percent molybdenum, up to 0.05 weight percent carbon, and at least one of niobium, titanium, and tant... | 11/04/2003 |
| 6623569 | Duplex stainless steels A duplex stainless steel includes less than, in weight percent, 3 percent nickel and 1.5 percent molybdenum. In one embodiment, the duplex stainless steel includes, in weight percent, up to 0.06 percent carbon; 15 to 25 percent chromium; 1 to less than 2.... | 09/23/2003 |
| 6589363 | Method for making heat treated stainless hydraulic components A stainless steel hydraulic component and method for making same hard turns a pre-heat treated stainless steel material, preferably a 400 series stainless steel material, provided in bar stock form in a single machining loading. Stainless steel hydraulic ... | 07/08/2003 |
| 6576068 | Method of producing stainless steels having improved corrosion resistance A method for producing a stainless steel with improved corrosion resistance includes homogenizing at least a portion of an article of a stainless steel including chromium, nickel, and molybdenum and having a PREN of at least 50, as calculated b... | 06/10/2003 |
| 6551420 | Duplex stainless steel A duplex stainless steel including, in weight percent, up to 0.06 percent carbon, 15 up to less than 25 percent chromium, greater than 3 up to 6 percent nickel, up to 3.75 percent manganese, 0.14 up to 0.35 percent nitrogen, up to 2 percent silicon, great... | 04/22/2003 |
| 6340400 | Stainless steel A stainless steel component comprising 0.8-1.4% carbon, 18-26 wt % chromium, 2-4 wt % nickel, 0-1 wt % molybdenum, 0 wt % lead and less than 0.6 wt % silicon provides for beneficial properties. Such a component may be prepared by the provision of an artic... | 01/22/2002 |
| 6291079 | Method for manufacturing self-hardening steel wire, reinforcing wire and application to a flexible duct The invention concerns a method for manufacturing steel wire comprising the following steps: manufacturing a reinforcing wire of sizeable length by rolling or hot wire drawing from steel containing the following elements: 0.18% to 0.45 % C, 0.4% to 1.8% M... | 09/18/2001 |
| 6248186 | Ball-and-roller bearing and method of manufacturing the same A ball-and-roller bearing is disclosed having an inner ring, an outer ring arranged on the axis of the inner ring and rotating around the co-axis relative to the inner ring, and a rolling body interposed between the inner ring and the outer ring and rolli... | 06/19/2001 |
| 6245289 | Stainless steel alloy for pulp refiner plate A refiner disk or disk segment cast from a stainless steel alloy having a composition of 0.2 percent to 0.6 percent carbon, 0.5 to 1.5 percent manganese, 0.5 percent to 1.5 percent silicon, a maximum of 0.05 percent sulfur, a maximum of 0.05 percent phosp... | 06/12/2001 |
| 6245163 | Austenitic stainless steel resistant to neutron-irradiation-induced deterioration and method of making thereof An austenitic stainless steel having resistance to neutron-irradiation-induced deterioration obtained by subjecting a stainless steel consisting of not more than 0.08% by weight of C, not more than 2.0% by weight of Mn, not more than 1.5% by weight of Si,... | 06/12/2001 |
| 6146478 | Heat treatment process for material bodies made of a high-temperature-resistant iron-nickel superalloy, and heat-treatment material body A heat treatment process for material bodies made of a high-temperature-resistant iron-nickel superalloy of the type IN 706 comprises the following steps: solution annealing at approximately 965 to 995° C. for 5 to 20 hours, stabilization annealing at ap... | 11/14/2000 |
| 6106638 | Process for manufacturing thin strip of ferritic stainless steel, and thin strip thus obtained The subject of the invention is a process for manufacturing ferritic stainless steel strip, in which a strip of a ferritic stainless steel, of the type containing at most 0.12% of carbon, at most 1% of manganese, at most 1% of silicon, at most 0.040% of p... | 08/22/2000 |
| 6099668 | Heat resisting alloy for exhaust valve and method for producing the exhaust valve A method for producing an exhaust valve is described, comprising subjecting a raw material of a specified heat resisting alloy to solid solution treatment; forming a head portion of the exhaust valve from the solution treated raw material through cold wor... | 08/08/2000 |
| 5976275 | High-nickel austenitic stainless steel resistant to degradation by neutron irradiation The present invention aims at providing structural materials having a resistance to degradation by neutron irradiation, causing no SCC in an environment of light-water reactors even after subjecting the materials to neutron irradiation of approximately at... | 11/02/1999 |
| 5911842 | Heat resisting steel and steam turbine rotor shaft and method of making thereof A heat resisting steel whose metal structure is entirely martensite phase produced by tempering after quenching. The steel comprises, by weight, 0.05 to 0.20% C, not more than 0.15% Si, not more than 1.5% Mn, not more than 1.0% Ni, 8.5 to 13.0% Cr, not mo... | 06/15/1999 |
| 5861068 | Method of using stainless steel having anti-microbial property Stainless steel is improved in anti-microbial property by the addition of Cu in an amount of 0.4-5.0 wt. % and the precipitation of Cu-rich phase at the ratio of 0.2 vol. % or more. The Cu-rich phase is precipitated as minute particles uniformly dispersed... | 01/19/1999 |
| 5843246 | Process for producing dual phase ferritic stainless steel strip A method for producing a dual phase ferrite-martensite steel product from a cold rolled stainless steel. The method includes a step of rapidly heating the steel to annealing temperature in less than 30 seconds, followed by a step of cooling the heated ste... | 12/01/1998 |
| 5824265 | Stainless steel alloy for pulp refiner plate A refiner disk or disk segment is cast from a stainless steel alloy having a composition of 0.2 percent to 0.4 percent carbon, 0.5 to 1.5 percent manganese, 0.5 percent to 1.5 percent silicon, a maximum of 0.05 percent sulfur, a maximum of 0.05 percent ph... | 10/20/1998 |
| 5783001 | Process for the heat treatment of surgical needles by aging A method of heat treating and cleaning maraging or precipitation hardening stainless steel surgical needles is disclosed. The method comprises exposing the surgical needles to a partial vacuum at a temperature less than the aging temperature to remove vol... | 07/21/1998 |
| 5759308 | Method of precipitation hardening a metal alloy A precipitation hardened metallic alloy is provided in which the strengthening is based on the precipitation of particles. The strengthening particles have a quasicrystalline structure, said structure being essentially maintained at aging times up to 1000... | 06/02/1998 |
| 5632826 | Quasicrystalline precipitation hardened metal alloy and method of making A precipitation hardened metallic alloy is provided in which the strengthening is based on the precipitation of particles. The strengthening particles have a quasicrystalline structure, said structure being essentially maintained at aging times up to 1000... | 05/27/1997 |
| 5605587 | Apparatus for magnetic conditioning of liquids and methods of making same Martensitic steel components of apparatus for magnetic conditioning of liquids which are subjected to cathodic reaction and degradation are treated prior to use to form a barrier of iron-chromium oxide and a uniform level of hardness throughout by heating... | 02/25/1997 |
| 5599408 | Method of producing a structural member &3xb5; phase precipitates in the matrix having a composition of 0.07% or less carbon, 1 or less silicon, 1% or less manganese, 2.5 to 5% copper, 3 to 5.5% nickel, 14 to 17.5% chromium, 0.5% or less molybdenum, 0.15 to 0.45% niobium, by weight, and the bal... | 02/04/1997 |
| 5514329 | Cavitation resistant fluid impellers and method for making same A fluid impeller for us in applications requiring superior cavitation erosion resistance. The impeller has a body fabricated from a castable metastable austenitic steel alloy which has a preferred chemical composition in the range of 17.5-18.5% chromium, ... | 05/07/1996 |
| 5496421 | High-strength martensitic stainless steel and method for making the same A high strength martensitic stainless steel contains: 0.06 wt. % or less C, 12 to 16 wt. % Cr, 1 wt. % or less Si, 2 wt. % or less Mn, 0.5 to 8 wt. % Ni, 0.1 to 2.5 wt. % Mo, 0.3 to 4 wt. % Cu, 0.05 wt. % or less N, and the balance being Fe and inevitable impu... | 03/05/1996 |
| 5433801 | Razor blade steel having high corrosion resistance, razor blades and a process for manufacturing razor blades Steel which is particularly useful for making a razor blade of high corrosion resistance contains more than 0.45%, but less than 0.55%, of carbon, 0.4 to 1.0% of silicon, 0.5 to 1.0% of manganese, 12 to 14% of chromium and 1.0 to 1.6% of molybdenum, all b... | 07/18/1995 |
| 5358577 | High strength and high toughness martensitic stainless steel and method of manufacturing the same A high strength, high toughness stainless steel consisting, by weight, of C more than 0.16% but less than 0.25%, Si not more than 2.0%, Mn not more than 1.0%, Ni not more than 2.0%, Cr from 11 to 15%, Mo not less than 0.5% but less than 3.0%, Co from 12 t... | 10/25/1994 |
| 5310431 | Creep resistant, precipitation-dispersion-strengthened, martensitic stainless steel and method thereof An iron-based, corrosion-resistant, precipitation strengthened, martensitic steel essentially free of delta ferrite for use at high temperatures has a nominal composition of 0.05-0.1 C, 8-12 Cr, 1-5 Co, 0.5-2.0 Ni, 0.41-1.0 Mo, 0.1-0.5 Ti, and the balance... | 05/10/1994 |
