Famous Patents
The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
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.
| Application No. | Application Title | Issue Date |
| 20120070329 | Ferritic martensitic iron based alloy, a component and a process A novel ferritic martensitic alloy is provided. The ferritic martensitic alloy enables the use temperature to be increased from 500° C. to 550° C., where the strength is maintained or is even maximized and the toughness, especially for low temperatures, is maintained ... | 03/22/2012 |
| 20120034126 | STAINLESS AUSTENITIC LOW Ni STEEL ALLOY An austenitic stainless steel alloy having the following composition in percent of weight (wt %): 0.02≦C≦0.06; Si<1.0; 2.0≦Mn≦6.0; 2.0≦Ni≦4.5; 17≦Cr≦19; 2.0≦Cu≦4.0; 0.15≦N≦0.25; 0≦Mo≦1.0; 0≦W≦0.3; 0≦V≦0.3; 0≦Ti≦0.5; 0≦Al≦1.... | 02/09/2012 |
| 20110297277 | STEEL ALLOY AND TOOLS OR COMPONENTS MANUFACTURED OUT OF THE STEEL ALLOY The invention relates to a powder metallurgically manufactured steel with a chemical composition containing, in % by weight: 0.01-2 C, 0.6-10 N, 0.01-3.0 Si, 0.01-10.0 Mn, 16-30 Cr, 0.01-5 Ni, 0.01-5.0 (Mo+W/2), 0.01-9 Co, max. 0.5 S and 0.5-14 (V+Nb/2), where the conte... | 12/08/2011 |
| 20110253262 | CORROSION-RESISTANT AUSTENITIC STEEL ALLOY An austenitic, substantially ferrite-free steel alloy and a process for producing components therefrom. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.... | 10/20/2011 |
| 20110189496 | STEEL ALLOY FOR FERRITIC STEEL HAVING EXCELLENT CREEP STRENGTH AND OXIDATION RESISTANCE AT ELEVATED USAGE TEMPERATURES A steel alloy with excellent creep strength and corrosion resistance that is ferritic at usage temperatures above 620° C. has the following chemical composition (in wt. %): C≦1.0%; Si≦1.0%; Mn≦1.0%; P max. 0.05%; S max. 0.01%; 2≦Al≦12%; 3≦Cr≦16%; 2≦Niâ‰... | 08/04/2011 |
| 20110097234 | LEAN DUPLEX STAINLESS STEEL EXCELLENT IN CORROSION RESISTANCE AND TOUGHNESS OF WELD HEAT AFFECTED ZONE The present invention provides a lean duplex stainless steel able to suppress the drop in corrosion resistance and toughness of a weld heat affected zone and is characterized by containing, by mass %,
| |
| 20100316522 | DUPLEX STAINLESS STEEL ALLOY AND USE OF THIS ALLOY The present invention relates to a duplex stainless steel alloy containing in weight-%: C max 0.03%, Si<0.30%, Mn 0-3.0%, P max 0.030%, S max 0.050%, Cr 25-29%, Ni 5-9%, Mo 4.5-8%, W 0-3%, Cu 0-2%, Co 0-3%, Ti 0-2%, Al 0-0.05%, B 0-0.01%, Ca 0-0.01%, and N 0.35-0.60%... | 12/16/2010 |
| 20100294472 | USE OF A DUPLEX STAINLESS STEEL IN A PHOSPHORIC ACID PRODUCTION SYSTEM The present disclosure relates to the use of a duplex stainless steel as heat exchanger material in a phosphoric acid production system using the wet method. The steel has the following composition in percent by weight: C max 0.03 Si max 0.5 Mn max 3 Cr 26-29 Ni 4.9-10 ... | 11/25/2010 |
| 20100272593 | HIGH CORROSION-RESISTANT, HIGH-STRENGTH AND NON-MAGNETIC STAINLESS STEEL, HIGH CORROSION-RESISTANT, HIGH-STRENGTH AND NON-MAGNETIC STAINLESS STEEL PRODUCT AND METHOD FOR PRODUCING THE SAME The present invention provides a high corrosion-resistant, high-strength and non-magnetic stainless steel containing: C: 0.01% to 0.05% by mass, Si: 0.05% to 0.50% by mass, Mn: more than 16.0% by mass but 19.0% by mass or less, P: 0.040% by mass or less, S: 0.010% by ma... | 10/28/2010 |
| 20100139817 | MARTENSITIC STAINLESS STEEL COMPOSITION, METHOD FOR MAKING A MECHANICAL PART FROM SAID STEEL AND RESULTING PART The invention concerns martensitic stainless steel, characterized in that its composition in weight percentages is as follows: 9%=Cr=13%; 1.5%=Mo=3%; 8%=Ni=14%; 1%=Al=2%; 0.5%=Ti=1.5% with AI+Ti=2.25%; traces=Co=2%; traces=W=1% with Mo+(W/2)=3%; traces=P=0.02%; traces=S... | 06/10/2010 |
| 20100084121 | PLATE The present invention relates to a plate of a plate heat exchanger, said plate comprising a material which constitutes a part of said plate with a surface made of this material positioned to be in direct contact with a chloride-containing cooling liquid, such as sea wat... | 04/08/2010 |
| 20100074792 | COLD WORK DIE STEEL, DIE, AND METHOD FOR PRODUCTION OF COLD WORK DIE STEEL The invention relates to a cold work die steel containing, by mass %, C: 0.20 to 0.60%, Si: 0.5 to 2.00%, Mn: 0.1 to 2%, Cr: 3.00 to 9.00%, Al: 0.3 to 2.0%, Cu: 1.00 to 5%, Ni: 1.00 to 5%, Mo: 0.5 to 3% and/or W: 2% or less (including 0%), S: 0.10% or less (not includin... | 03/25/2010 |
| 20100054983 | AUSTENITIC STAINLESS STEEL An austenitic stainless steel, which comprises by mass %, C<0.04%, Si≦1.5%, Mn≦2%, Cr: 15 to 25%, Ni: 6 to 30%, N: 0.02 to 0.35%, sol. Al≦0.03% and further contains one or more elements selected from Nb≦0.5%, Ti≦0.4%, V≦0.4%, Ta≦0.2%, Hf≦0.2% and Zrâ‰... | 03/04/2010 |
| 20100047105 | Lean Austenitic Stainless Steel An austenitic stainless steel composition including relatively low Ni and Mo levels, and exhibiting corrosion resistance, resistance to elevated temperature deformation, and formability properties comparable to certain alloys including higher Ni and Mo levels. Embodimen... | 02/25/2010 |
| 20090257906 | Cobalt-rich wear resistant alloy and method of making and use thereof A cobalt-rich wear resistant and corrosion resistant alloy comprises in weight %, 0.5 to 1.2% C, 0.6 to 2.1% Si, 17 to 24% Cr, 27 to 38.5% Fe, 1.4 to 20% W, 3.8 to 9.7% Mo, less than 1% Ni and balance Co. A preferred cobalt-rich alloy comprises in weight %, 0.5 to 0.9 C... | 10/15/2009 |
| 20090162238 | CORROSION RESISTANT LEAN AUSTENITIC STAINLESS STEEL An austenitic stainless steel composition having low nickel and molybdenum and exhibiting high corrosion resistance and good formability. The austenitic stainless steel includes, in weight %, up to 0.20 C, 2.0-6.0 Mn, up to 2.0 Si, 16.0-23.0 Cr, 5.0-7.0 Ni, up to 3.0 Mo... | 06/25/2009 |
| 20090162237 | LEAN AUSTENITIC STAINLESS STEEL CONTAINING STABILIZING ELEMENTS An austenitic stainless steel composition including relatively low nickel and molybdenum levels, and exhibiting corrosion resistance, resistance to elevated temperature deformation, and formability properties comparable to certain alloys including higher nickel and moly... | 06/25/2009 |
| 20090142218 | LEAN AUSTENITIC STAINLESS STEEL An austenitic stainless steel having low nickel and molybdenum and exhibiting comparable corrosion resistance and formability properties to higher nickel and molybdenum alloys comprises, in weight %, up to 0.20 C, 2.0-9.0 Mn, up to 2.0 Si, 16.0-23.0 Cr, 1.0-5.0 Ni, up t... | 06/04/2009 |
| 20090129967 | FORGED AUSTENITIC STAINLESS STEEL ALLOY COMPONENTS AND METHOD THEREFOR A forgeable austenitic stainless steel alloy and forging process capable of producing forged components that exhibit mechanical and environmental properties and metallurgical stability suitable for use in thermally and chemically hostile environments, such as the enviro... | 05/21/2009 |
| 20090123324 | Iron-Base Alloy Containing Chromium-Tungsten Carbide And a Method Of Producing It A method and cast wear resistant component made of an alloy that includes carbon, tungsten, chromium, and cobalt with the balance essentially iron and other alloying components made using waste, surplus or worn-out cemented carbide product, such as cemented carbide cutt... | 05/14/2009 |
| 20090110588 | STAINLESS STEEL HAVING A HIGH HARDNESS AND EXCELLENT MIRROR-FINISHED SURFACE PROPERTY, AND METHOD OF PRODUCING THE SAME Disclosed is a stainless steel containing, by mass, 0.05% or less carbon, 1.5 to smaller than 3.5% Si, 3.0% or less Mn, 6.0 to 12.0% Cr, 4.0 to 10.0% Ni, 10.0% or less Co, 6.0% or less Cu, 0.5 to 3.0% Ti, 0 to 2.0% Al, less than 0.4% Mo, not more than 0.01% nitrogen, an... | 04/30/2009 |
| 20090104068 | Brake Disk Excellent in Temper Softening Resistance and Toughness A brake disk excellent in temper softening resistance and toughness comprising, by mass, 0.1% or less of C, 1.0% or less of Si, 2.0% or less of Mn, 10.5% to 15.0% of Cr, and 0.1% or less of N, the remainder being Fe and unavoidable impurities, such that the following in... | 04/23/2009 |
| 20090098007 | Duplex Stainless Steel The present invention provides duplex stainless steel superior in corrosion resistance in a chloride environment and impact properties suitable as a material for pumps for seawater desalination plants, facilities and equipment, and materials for chemical tanks, that is,... | 04/16/2009 |
| 20090081068 | Ultra-High Strength Stainless Steels An ultra-high strength stainless steel alloy with enhanced toughness includes in % by weight: 0 to 0.06% carbon (C); 12.0 to 18% chromium (Cr); 16.5 to 31.0% cobalt (Co); 0 to 8% molybdenum (Mo); 0.5 to 5.0% nickel (Ni); 0 to 0.5% titanium (Ti); 0 to 1.0% niobium (Nb); ... | 03/26/2009 |
| 20090068052 | Heat resisting steel, gas turbine using the steel, and components thereof The invention is of a heat resisting martensitic steel comprising, by weight, 0.05 to 0.30% C, not more than 0.50% Si, not more than 0.60% Mn, 8.0 to 13.0% Cr, 0.5 to 3.0% Ni, 1.0 to 3.0% Mo, 0.1 to 1.5% W, 0.5 to 4% Co, 0.05 to 0.35% V, 0.02 to 0.30% in total of one or... | 03/12/2009 |
| 20090010793 | Method For Producing High Strength Steel Strips or Sheets With Twip Properties, Method For Producing a Component and High-Strength Steel Strip or Sheet A method for producing cold-formable, high-strength steel strips or sheets with TWIP properties, wherein in successive working steps are carried out without interruption, uses a molten material of the following composition (mass %): C: 0.00... | 01/08/2009 |
| 20090004040 | Ferritic Stainless Steel Sheet for Raw Material Pipe for Bellows Pipe A ferritic stainless steel sheet for forming a raw material pipe for bellows pipe is excellent in formability and high-temperature properties (high-temperature salt corrosion resistance and high-temperature fatigue properties). Specifically, the ferritic stainless steel... | 01/01/2009 |
| 20080292489 | High Mn Austenitic Stainless Steel An austenitic stainless steel alloy includes, in weight percent: >4 to 15 Mn; 8 to 15 Ni; 14 to 16 Cr; 2.4 to 3 Al; 0.4 to 1 total of at least one of Nb and Ta; 0.05 to 0.2 C; 0.01 to 0.02 B; no more than 0.3 of combined Ti+V; up to 3 Mo; up to 3 Co; up to 1W; up to ... | 11/27/2008 |
| 20080274007 | High-strength nonmagnetic stainless steel, and high-strength nonmagnetic stainless steel part and process for producing the same The present invention relates a high-strength nonmagnetic stainless steel, containing, by weight percent, 0.01 to 0.06% of C, 0.10 to 0.50% of Si, 20.5 to 24.5% of Mn, 0.040% or less of P, 0.010% or less of S, 3.1 to 6.0% of Ni, 0.10 to 0.80% of Cu, 20.5 to 24.5% of Cr,... | 11/06/2008 |
| 20080274006 | Overlay cladding for molten metal processing A submerged pot roll and other articles for use in galvanizing baths including a metallurgically bonded superalloy cladding layer on a steel core layer. The cladding layer improves the corrosion resistance and dross buildup of the article and improves service life while... | 11/06/2008 |
| 20080233225 | Steel Alloy and Tools or Components Manufacture Out of the Steel Alloy The invention relates to a powder metallurgically manufactured steel with a chemical composition containing, in % by weight: 0.01-2 C, 0.6-10 N, 0.01-3.0 Si, 0.01-10.0 Mn, 16-30 Cr, 0.01-5 Ni, 0.01-5.0 (Mo+W/2), 0.01-9 Co, max. 0.5 S and 0.5-14 (V+Nb/2), where the conte... | 09/25/2008 |
| 20080138232 | Duplex Stainless Steel A duplex stainless steel alloy which contains in weight %: Cr 25-35%, Ni 4-10%, Mo 1-6%, N 0.3-0.6%, Mn greater than 0-3%, Si max 1.0%, C max 0.06%, Cu and/or W and/or Co 0.1-10%, W 0.1-5%, balance Fe and normally occurring impurities wherein the ferrite content is 30-7... | 06/12/2008 |
| 20080112837 | Ferritic heat resistant steel Heat-resistant steel excellent in high-temperature long-term creep strength and creep-fatigue strength is provided. This heat-resistant steel comprises C: 0.01 to 0.13%, Si: 0.15 to 0.50%, Mn: 0.2 to 0.5%, P: not higher than 0.02%, S; not higher than 0.005%, Cr: exceedi... | 05/15/2008 |
| 20080107559 | Austenitic stainless steel An austenitic stainless steel having excellent resistance to scale peeling which can suppress peeling of a protective oxide scale which is formed on the steel surface even when the steel undergoes repeated cycles of high temperature heating and cooling and which is suit... | 05/08/2008 |
| 20080089803 | Austenitic stainless steel An austenitic stainless steel improved in creep strength, creep ductility, weldability and also hot workability. The steel, consisting of, by mass %, C: 0.05-0.15%, Si: not more than 2%, Mn: 0.1-3%, P: 0.05-0.30%, S: not more than 0.03%, Cr: 15-28%, Ni: 8-55%, Cu: 0-3.0... | 04/17/2008 |
| 20080009368 | Metal alloy for manufacturing golf club head members A metal alloy applied to manufacture a club weight member of a golf club head includes carbon less than 0.08% by weight, silicon of about 0.5% to about 2.0% by weight, manganese of about 0.5% to about 2.0% by weight, nickel of about 5.0% to about 15.0% by weight, chromi... | 01/10/2008 |
| 20070274855 | Steel Alloy For Cutting Details The invention relates to a steel alloy of the following composition (in % by weight) C 0.40-0.60 Si 0.1-1.0 Mn 0.3-1.0 Cr 12-15 MO 2.5-4.0 Ni 0-1.0 Co 0-4.0 N 0.15-0.20, with the balance Fe as well as normally occurring impurities, the hardness being >56 HRC, which has ... | 11/29/2007 |
| 20070217941 | HIGH-Cr HIGH-Ni, HEAT-RESISTANT, AUSTENITIC CAST STEEL AND EXHAUST EQUIPMENT MEMBERS FORMED THEREBY A high-Cr, high-Ni, heat-resistant, austenitic cast steel comprises as main components C, Si, Mn, Cr. Ni, W and/or Mo, and Nb, the balance being substantially Fe and inevitable impurities, N being 0.01-0.5%, Al being 0.23% or less, and O being 0.07% or less by weight. E... | 09/20/2007 |
| 20070023108 | Use of martensitic precipitation hardening stainless steel The invention relates to the use of a chrome-nickel martensitic precipitation hardening stainless steel having the following composition: 10-14 mass % chromium, 7-11 mass % nickel, 0.5-6 mass % molybdenum, 0.5-4 mass % copper, 0.05-0.55 mass % aluminium, 0.4-1.4 mass % ... | 02/01/2007 |
| 20070000576 | Use of a non-corrosive, martensitically hardening steel The aim of the invention is to produce mechanically driven rotary tools, preferably boring, milling, grinding and cutting tools which are stable, non-corrosive and biocompatible and also have high mechanical strength properties, in conjunction with good ductility proper... | 01/04/2007 |
