Quotables
"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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 |
| 8007715 | Welding additive material A steel has the following chemical composition (amounts in % by weight): 0.05-0.14 C, 8-13 Cr, 1-2.6 Ni, 0.5-1.9 Mo, 0.5-1.5 Mn, 0.15-0.5 Si,... | 08/30/2011 |
| 7914732 | Ferritic stainless steel cast iron, cast part using the ferritic stainless steel cast iron, and process for producing the cast part The present invention provides: a ferritic stainless steel cast iron including: Fe as a main component; C: 0.20 to 0.40 mass %; Si: 1.00 to 3.00 mass %; Mn: 0.30 to 3.00 mass %; Cr: 12.0 to 30.0 mass %; and one of Nb and V, or both of Nb and V in total: 1.0 to 5.0 m... | 03/29/2011 |
| 7785531 | Alloy for roller bearing An alloy for aircraft roller bearings containing: 0.45 to 1.0 wt. % carbon, max 2.0 wt. % manganese, max 1.0 wt. % silicon, 8.5 to 11.5 wt. % chromium, 1.0 to 4.5 ... | 08/31/2010 |
| 7341690 | Soft Cr-containing steel The soft Cr-containing steel includes, on a % by mass basis, C: from about 0.001% to about 0.020%, Si: more than about 0.10% and less than about 0.50%, Mn: less than about 2.00%, P: less than about 0.060%, S: less than about 0.008%, Cr: from about 12.0% to about 16.... | 03/11/2008 |
| 7297214 | Free cutting alloy Provided is free cutting alloy excellent in machinability, preserving various characteristics as alloy. The free cutting alloy contains: one or more of Ti and Zr as a metal element component; and C being an indispensable element as a bonding component with the metal... | 11/20/2007 |
| 7048507 | Axial-flow thermal turbomachine The invention relates to an axial-flow thermal turbomachine having a metallic rotor (1), in which rotor blades (3) made of an intermetallic compound are mounted in a circumferential groove to form a row of blades. The invention is characterized in that... | 05/23/2006 |
| 7037079 | Axial-flow thermal turbomachine The invention relates to an axial-flow thermal turbomachine, having a rotor (1) made from a metallic material with a first density (D1), in which rotor blades (3, 3′) and intermediate pieces (4) are mounted alternately in a circumfe... | 05/02/2006 |
| 7025838 | Ferritic stainless steel sheet with excellent workability and method for making the same A ferritic stainless steel sheet for use in automobile fuel tanks and fuel pipes having smooth surface and resistance to organic acid is provided. The sheet contains, by mass, not more than about 0.1% C, not more than about 1.0 Si, not more than about 1.5% Mn, not m... | 04/11/2006 |
| 6921440 | Niobium-stabilized 14% chromium ferritic steel, and use of same in the automobile sector A process for production of sheet-metal strip of niobium-stabilized 14% chromium ferritic steel, characterized in that certain steel is subjected to: cold rolling of the hot sheet metal with or without preliminary annealing, ... | 07/26/2005 |
| 6896847 | Steel alloy plastic moulding tool and tough-hardened blank for plastic moulding tools A steel alloy has a chemical composition which contains in weight-%, 0.16-0.27 C, 0.06-0.13 N, wherein total content of C+N shall satisfy the condition, 0.3 | 05/24/2005 |
| 6881280 | Iron-based alloy for internal combustion engine valve seat inserts and the like An iron-based corrosion resistant and wear resistant alloy is addressed. The alloy contains (in weight percent) 1.1-1.4% carbon, 11-14.25% chromium, 4.75-6.25% molybdenum, 3.5-4.5% tungsten, 0-3% cobalt, 1.5-2.5% niobium, 1-1.75% vanadium, 0-2.5% copper, up to 1.0% ... | 04/19/2005 |
| 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 |
| 6786981 | Ferritic stainless steel sheet for fuel tank and fuel pipe A ferritic stainless steel sheet for fuel tanks and fuel pipes comprises, by mass percent, about 0.1% or less of C; about 1.0% or less of Si; about 1.5% or less of Mn; about 0.06% or less of P; about 0.03% or less of S; about 1.0% or less of Al; about 11% to about 2... | 09/07/2004 |
| 6770243 | Chrome steel alloy A chromium steel alloy having 0.4 to 0.75% of carbon, 0.4 to 1.6% of manganese, 12 to 19% of chromium, up to 0.2% of nickel, up to 0.7% of silicon, 0.5 to 1.5% of molybdenum, up to 1.5% of tungsten, 0.05 to 0.3% of vanadium and (% Ti/% Nb), 0.02 to 0.15% of sulfur, ... | 08/03/2004 |
| 6756011 | High-strength, high corrosion-resistant and non-magnetic stainless steel A high-strength, high corrosion-resistant and non-magnetic stainless steel which is further excellent in strength and corrosion resistance and safe in the living body and also can stand against various corrosive environments. The stainless steel comprises 0.15% by w... | 06/29/2004 |
| 6740174 | Soft Cr-containing steel The soft Cr-containing steel includes, on a % by mass basis, C: from about 0.001% to about 0.020%, Si: more than about 0.10% and less than about 0.50%, Mn: less than about 2.00%, P: less than about 0.060%, S: less than about 0.008%, Cr: from about 12.0% to about 16.... | 05/25/2004 |
| 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 |
| 6582652 | Stainless steel alloy having lowered nickel-chromium toxicity and improved biocompatibility The present invention is directed towards an austenitic, stainless steel series 300 alloy having improved biocompatible characteristics. The modified stainless steel alloy consists essentially of, in weight percent, about C Mn S... | 06/24/2003 |
| 6521056 | Ferritic stainless steel sheet having superior workability at room temperatures and mechanical characteristics at high temperatures A ferritic stainless steel sheet which has not only superior high-temperature fatigue characteristics, but also superior workability at room temperatures. The steel sheet contains, by weight percent, C: not more than 0.02%, Si: 0.2 to 1.0%, Mn: not more t... | 02/18/2003 |
| 6511554 | Stainless spheroidal carbide cast iron material The present invention relates to stainless spheroidal carbide cast iron material is such: comprises iron (Fe) as its main component, C 0.6~4.0% and V 4~15% as its necessary components, P 0.01~0.15%, S 0.01~0.05% Al 0.05~1.0%, and Mg 0.01~0.2% as gas ... | 01/28/2003 |
| 6479013 | Casting components made from a tool steel A method of casting non-ferrous metals such as aluminum, magnesium, or zinc alloys uses casting components made from a tool steel comprising effective amounts of carbon, silicon, manganese, chromium, molybdenum, and vanadium, optional amounts of cobalt an... | 11/12/2002 |
| 6475642 | Oxidation-resistant coatings, and related articles and processes An oxidation-resistant coating is described, formed of an alloy containing: about 40 to about 50 atom % aluminum and about 0.5 atom % to about 3 atom % tantalum; with a balance of nickel; cobalt, iron, or combinations thereof. The coating may also include... | 11/05/2002 |
| 6444168 | Apparatus comprising furnaces, reactors or conduits used in applications requiring anti-coking properties and novel steel compositions In order to produce elements for furnaces, reactors or conduits on the walls of which coke can appear, steels are used with a composition which is adapted to resist coking comprising, by weight, at most 0.25% of C, 1.5% to 5% of Si, 4% to 10% of Cr, 0.5% ... | 09/03/2002 |
| 6436338 | Iron-based alloy for internal combustion engine valve seat inserts An iron-based corrosion resistant and wear resistant alloy is addressed. The alloy contains (in weight percent) 1.1-1.4% carbon, 11-14.25% chromium, 4.75-6.25% molybdenum, 3.5-4.5% tungsten, 0-3% cobalt, 1.5-2.5% niobium, 1-1.75% vanadium, 0-2.5% copper, ... | 08/20/2002 |
| 6419878 | Fe-Cr alloy having excellent initial rust resistance, workability and weldability Fe--Cr alloy having excellent weldability and initial rust resistance with no requirement of greatly increasing the amount of elements such as Ni, Cu, Cr or Mo, addition of Nb or Ti and, further, excess reduction of C and N, in which the Fe--Cr alloy cont... | 07/16/2002 |
| 6406563 | Stainless spheroidal carbide cast iron The present invention relates to stainless spheroidal carbide cast iron is such: comprises Fe as its main component;, C 0.6~4.0% and V 4~15% as its necessary components, P 0.01~0.15%, S 0.01~0.05%, and Al 0.05~1.0% as bubble assistants, and Ni 4~15%,... | 06/18/2002 |
| 6290905 | Welding material A welding method for two members adapted to be welded and formed of a low-alloy steel for structural purposes causing the weld metal to develop martensite transformation during cooling after welding, so that the weld metal becomes expanded to a greater de... | 09/18/2001 |
| 6235237 | Steel alloy for gliding elements A chromium steel alloy with 0.2 to 0.65% of carbon, 12.0 to 20.0% of chromium, 0.3 to 5.0% of molybdenum, 0.02 to 0.4% of nitrogen, up to 2% of manganese, up to 1.4% of silicon, up to 2% of nickel, up to 0.5% of copper, up to 0.2% of vanadium and/or niobi... | 05/22/2001 |
| 6235238 | Apparatus comprising furnaces, reactors or conduits having internal walls comprising at least partly of a steel alloy In order to produce elements for furnaces, reactors or conduits on the walls of which coke can appear, steels are used with a composition which is adapted to resist coking comprising, by weight, at most 0.25% of C, 1.5% to 5% of Si, 4% to 10% of Cr, 0.5% ... | 05/22/2001 |
| 6232000 | Abrasion, corrosion, and gall resistant overlay alloys An overlayer for a use on industrial components such as steel mill caster rolls which require enhanced abrasion, corrosion, and gall resistance. The overlayer has relatively lower carbon levels and relatively higher molybdenum levels relative to other all... | 05/15/2001 |
| 6193469 | High toughness heat-resistant steel, turbine rotor and method of producing the same A high toughness heat-resistant steel, a turbine rotor formed of this steel and a method of producing the turbine rotor are described. The heat-resistant steel has a composition consisting essentially of: 0.05 to 0.30 wt % C, 0 to 0.20 wt % Si, 0 to 1.0 w... | 02/27/2001 |
| 6117388 | Hot working die steel and member comprising the same for high-temperature use Alloy steel containing 0.10 to 0.50 wt % of C, 0.5 wt % or less of Si, 1.5 wt % or less of Mn, 1.5 wt % or less of Ni, 3.0 to 13.0 wt % of Cr, 0 to 3.0 wt % of Mo, 1.0 to 8.0 wt % of W, 0.01 to 1.0 wt % of V, 0.01 to 1.0 wt % of Nb, 1.0 to 10.0 wt % of Co... | 09/12/2000 |
| 6106766 | Material for gas turbine disk A material for a gas turbine disk comprises 0.05 to 0.15 wt % of carbon, 0.10 wt % or less of silicon, 0.40 wt % or less of manganese, 9.0 to 12.0 wt % of chromium, 1.0 to 3.5 wt % of nickel, 0.50 to 0.90 wt % of molybdenum, 1.0 to 2.0 wt % of tungsten, 0... | 08/22/2000 |
| 6096262 | Martensitic heat resisting steel A martensitic heat resisting steel having improved heat resistance, which consists by weight percentage of 0.35%ࣘCࣘ0.60%, 1.0%ࣘSiࣘ2.5%, 0.1%ࣘMn | 08/01/2000 |
| 6060018 | Cold tool steel featuring high size stability, wear-resistance and machinability Cold tool steel having superior machinability, wear-resistance and minimized heat treatment size-change were obtained by specifying components and contents thereof, especially of C, Cr, Si, V and Mo, not by high-temperature soaking. Further, such preharde... | 05/09/2000 |
| 5961284 | High strength heat resisting cast steel, steam turbine casing, steam turbine power plant and steam turbine A steam turbine has main components such as rotor shaft exposed to high temperature and intermediate pressure, which are made of a ferritic steel and the main steam temperature and the re-heat steam temperature are 610° C. to 660° C., and a steam turbin... | 10/05/1999 |
| 5942184 | Stainless steel for high-purity gases Stainless steels for high-purity gases which are superior in non-dusting characteristics required at the time of welding, corrosion resistance and non-catalytic property and which can be widely utilized in the manufacturing process of semiconductors, liqu... | 08/24/1999 |
| 5916517 | Nitrogen-bearing iron-based alloy for machine parts subject to sliding friction A process for making and using machine parts which in their function are exposed to severe stress from sliding superficial friction and machine parts produced thereby are described. The parts are made from an iron-based alloy which includes the following ... | 06/29/1999 |
| 5849111 | Duplex stainless steel A super duplex stainless steel with low susceptibility to weld cracks and high weldability, as well as the resistance to stress corrosion cracking and toughness of the weld zones. The steel is therefore suitable for a wide range of applications including ... | 12/15/1998 |
| 5820817 | Steel alloy A stainless steel comprises additives including at least one of rare earth elements and boron, so as to exhibit resistance to long term aging embrittlement. The stainless steel also contains balanced amounts of nickel and cobalt to minimize a ration of ni... | 10/13/1998 |
