Quotables
"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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 |
| 7578894 | Continuous process for production of steel part with regions of different ductility The interior of a furnace is partitioned into two longitudinally extending and transversely adjacent zones, and one of the zones is heated to a substantially higher treatment temperature than the other of the zones, which may or may not be heated. A steel workpiece ... | 08/25/2009 |
| 7431781 | Method for forming a common-rail injection system for diesel engine A common-rail injection system is provided for a diesel engine and has excellent internal pressure fatigue resisting characteristics, vibrational fatigue resisting characteristics and cavitation resisting property and sheet face flawing resisting property, and can b... | 10/07/2008 |
| 7416621 | Laser rounding and flattening of cylindrical parts A method is disclosed for rounding and/or flattening an annular part that is out of round and/or not flat due to non-uniform internal stresses. The part is first checked for out of round and/or out of flat conditions. Out of round parts are then rounded by introduci... | 08/26/2008 |
| 7384489 | Atmosphere control during continuous heat treatment of metal strips A method for heat treating metallic strips inside a heat treatment chamber at a pressure greater than atmospheric pressure including passing the strips through at least one heating zone of the chamber and moving the strip through at least one cooling zone of the cha... | 06/10/2008 |
| 7273337 | Partially coated fastener assembly and method for coating A fastener assembly includes a row of fasteners having a head, a tip, and a portion of a shank coated with a polymer composition. The polymer composition includes a polymer material such as polyurethane and metal particles. The polymer composition is used to provide... | 09/25/2007 |
| 7115177 | Method for the treatment of metallic materials In a method for the treatment of metallic materials especially for the consolidation of the texture of the materials, a blank of the metallic material is heated to a transformation temperature and the blank is then subjected to twisting preferably while, at the same... | 10/03/2006 |
| 7094155 | Constant velocity universal joint A spherical inner surface of the outer race and track grooves in the outer race are each defined by a post-hardening cut surface. A spherical outer surface of the inner race and track grooves in the inner race are also each defined by a post-hardening cut surface. A... | 08/22/2006 |
| 7077920 | Method of making coated steel part with regions of different ductility A workpiece having regions of different ductility is made by first coating opposite faces of a flat sheet-metal workpiece of low ductility and then stripping the coating from the faces in one region of the workpiece while leaving the coating on the faces in another ... | 07/18/2006 |
| 7077993 | Apparatus for softening a selected portion of a steel object by heating Differential hardening apparatus for softening a portion only of a metal workpiece such as a die block consisting of apparatus for presenting a workpiece to a heat source which impinges heat directly on the workpiece and control means for causing the heat to be dire... | 07/18/2006 |
| 7074286 | Wrought Cr—W—V bainitic/ferritic steel compositions A high-strength, high-toughness steel alloy includes, generally, about 2.5% to about 4% chromium, about 1.5% to about 3.5% tungsten, about 0.1% to about 0.5% vanadium, and about 0.05% to 0.25% carbon with the balance iron, wherein the percentages are by total weight... | 07/11/2006 |
| 7070395 | Variable capacity rotary compressor A variable capacity rotary compressor to prevent an eccentric bush and a locking pin from being deformed or worn out due to a variance in a pressure of a compression chamber as a rotating shaft rotates. The compressor includes upper and lower compression chambers ha... | 07/04/2006 |
| 6976742 | Drive sprocket for a tracked vehicle A snowmobile is propelled by an endless track that is operatively connected to the snowmobile's engine by two drive sprockets. Each drive sprocket includes one set of external teeth and two sets of internal teeth that engage three corresponding sets of track teeth f... | 12/20/2005 |
| 6918224 | Heat treatment strategically strengthened door beam A method of forming a vehicle component, particularly an elongated impact beam, having an open section structure, in a manner to provide predetermined strategically strengthened portions, comprising the steps of cold forming unhardened steel into a workpiece having ... | 07/19/2005 |
| 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 |
| 6797084 | Method of manufacturing case hardened journal cross for use in a universal joint An apparatus for manufacturing a case hardened journal cross includes an inductor having an open side to allow the journal cross to be inserted and withdrawn from the induction process with relative ease. The conductive frame of the inductor is shaped in a cross-lik... | 09/28/2004 |
| 6723185 | Method for producing defects and tensile residual stresses A method, which is used to make controlled defects corresponding to natural flaws and residual stresses in various kinds of test pieces. Defects identical to natural flaws are required to qualify non-destructive testing (NDT) procedures. In the method, sequential, r... | 04/20/2004 |
| 6686061 | Steel plate having TiN+CuS precipitates for welded structures, method for manufacturing same and welded structure made therefrom A weldable structural steel product having fine complex precipitates of TiN and CuS is provided which contains, in terms of percent by weight, 0.03 to 0.17%C, 0.01 to 0.05% Si, 0.4 to 2.0% Mn, 0.005 to 0.2% Ti, 0.0005 to 0.1% Al, 0.008 to 0.030% N, 0.0003... | 02/03/2004 |
| 6638379 | Method and device for hardening bearing surfaces of crankshafts This invention relates to a procedure for hardening the bearing surfaces (H1,H2,H3,H4) of a shaft or axle, in particular a crankshaft (2) or camshaft, in which the bearing surfaces (H1-H4) to be hardened are hardened sequentially with the shaft or axle tu... | 10/28/2003 |
| 6585834 | Method for performing a heat treatment of metallic rings, and bearing ring thus obtained A method of performing a heat treatment on steel rings, in particular for bearings, whereby the outer surface and inner surface of a preheated ring are exposed to different flows of a cooling medium such that the regions of the ring adjacent those surface... | 07/01/2003 |
| 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 |
| 6569269 | Process for producing a high and low pressure integrated turbine rotor In CrMoV based heat resistant steels and tungsten-containing CrMoV based heat resistant steels, trace impurities, such as phosphorus, sulfur, copper, aluminum, arsenic, tin, and antimony are reduced lower than a specific level. Furthermore, alloy steels h... | 05/27/2003 |
| 6511559 | Process for producing wear-resistant edge layers in precipitation-hardenable materials A process for producing wear-resistant edge layers in precipitation-hardenable materials wherein a component that was conventionally solution annealed and subsequently subjected to a conventional aging heat treatment is subjected to another short-time ... | 01/28/2003 |
| 6488788 | Flat plate member with a gear portion and a process for making the same A flat plate member with gear portion is formed to a predetermined shape by pressing a flat steel raw material having a composition comprising, by weight, 0.10-0.18% C, less than 0.03% Si, 0.60-1.50% Mn, less than 0.020% P, less than 0.013% S, 0.001-0.004... | 12/03/2002 |
| 6458220 | Case hardened steel blades for sports equipment and method of manufacture Steel alloys susceptible to case and core hardening comprise 0.05 to 0.24 weight percent carbon; 15 to 28 weight percent cobalt and 1.5 to 9.5 weight percent in nickel, small percentages of one or more additives: chromium, molybdenum, and vanadium; and th... | 10/01/2002 |
| 6398881 | Wear-resistant camshaft and method of producing the same The invention concerns a wear-resistant camshaft and a method of producing the same. Objects in which the application of the invention is possible and useful are all cast-iron parts which are subject to wear as a result of lubricated friction. The wear-re... | 06/04/2002 |
| 6398886 | Method and device for completing outer joint elements that are formed without cutting A process of finishing outer joint parts formed in a non-cutting way and intended for constant velocity joints, said outer joint parts having a longitudinal axis and an inner recess which extends in the direction of the longitudinal axis and which, in the... | 06/04/2002 |
| 6398885 | Method and apparatus for preventing cracking of the shank junction of die blocks A method and apparatus for tempering the shank portion only of die blocks which comprises subjecting the shank portion of a die block or other large metal part to electrical energy derived from induction heating or infrared heating to a controlled depth, ... | 06/04/2002 |
| 6344098 | High strength steam turbine rotor and methods of fabricating the rotor without increased stress corrosion cracking A heat treatment process is provided that produces a monoblock, low alloy steel rotor for use in low pressure steam turbines. The process includes austenitizing the rotor at a substantially uniformly applied treatment temperature of about 840° C., quench... | 02/05/2002 |
| 6273974 | Selected heat treatment and hardening method for nails A selectively hardened nail includes a nail head, an elongated shank, and a tip. A portion of the nail shank is made harder than the remainder by selectively heat treating that portion, and cooling it. The nail has controlled bending properties. The selec... | 08/14/2001 |
| 6221185 | Method for manufacturing components by critical formation of light metal strip The invention relates to a method for manufacturing components from critical cold forming of light metal strip, preferably naturally hard Al alloys of the AlMg or AlMg--Mn types, in which the desired component is manufactured from the strip by at least on... | 04/24/2001 |
| 6193173 | Burner with an improved injector and process for manufacturing this injector The invention relates to a burner including an injector one end zone (33) of which can be taken to high temperatures during operation of the burner. This end zone is made of an alloy comprising between 16 and 22% by weight of Cr, between 3 and 6% by weigh... | 02/27/2001 |
| 6193820 | Method for the thermal treatment of bushings, particularly for tracked vehicles and the like A method for the thermal treatment of bushings, particularly for tracked vehicles and the like, which provides for a first step, during which external quench hardening of the bushing is performed by heating through to approximately 7/10-10/10 of the thick... | 02/27/2001 |
| 6187118 | Method for heat-treating steel work pieces A method of heat-treating a work piece of high-alloy steel by hardening involves relatively briefly annealing the work piece before hardening, followed by cooling the work piece. The brief annealing that is performed before the actual hardening and the en... | 02/13/2001 |
| 6139655 | Method of forming a side intrusion beam A selectively heat treated side intrusion beam includes a beam body having a center portion heat treated and end portions not heat treated. The beam body is affixed to end brackets that couple the beam body to the automotive vehicle door. The method for f... | 10/31/2000 |
| 6108908 | Heat treated combustion chamber housing and process for making same A combustion chamber housing for use in an airbag deployment system has a tubular body portion having a length and defining a combustion chamber that is adapted to contain combustion materials and to contain gases produced from the combustion thereof. The... | 08/29/2000 |
| 6074765 | Grinding rod chemistry and method of heat treatment to enhance wearability A grinding rod chemistry enhances wearability and durability of a steel rod and comprises levels of carbon to achieve a surface hardness in excess of 55 Rockwell C and levels of chromium which achieve significant depth in the formed outer martensite shell... | 06/13/2000 |
| 6063218 | Bearing manufacturing method In a method of manufacturing a bearing, a high-frequency hardened steel essentially containing the following elements in the following percentage by weight is employed as the material of at least one of the outer and inner races of the bearing which is dr... | 05/16/2000 |
| 6059899 | Press-formed article and method for strengthening the same A press-formed article has a quenched area and a required strength distribution. The quenched area has a hardness distribution exhibiting a hardness transition which corresponds to the required strength distribution. The press-formed article may include o... | 05/09/2000 |
| 5972134 | Manufacture of a metallic molded structural part The invention is directed to a process for the manufacture of a metallic molded structural part (1) for motor vehicle components such as door impact girders or bumpers with areas (2) with a higher ductility in relation to the rest of the structural compon... | 10/26/1999 |
| 5916387 | Method of reducing the gaping values in the web saw cut test on steel railway tracks This invention concerns a method of reducing the gaping values of railway tracks made of steel to less than 3.6 mm. It is characteristic of this invention that the rolled and leveled rails are heated briefly, i.e., for approx. 10 to 25 sec, until reaching... | 06/29/1999 |
