U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...In 1790, the cost to obtain a patent was between $4 and $5.

Newsletter  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.

 

Class 75/360 - Use of gas


Subclass of Class 75 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
Definition: Process in which gas is used.
No. of patents: 30
Last issue date: 04/28/2009


NumberTitleIssue Date
7524353Densified molybdenum metal powder and method for producing same
Densified molybdenum metal powder and method for producing same. Densified molybdenum powder has substantially generally spherical particles, surface area to mass ratio of no more than about 0.5 m2/g as determined by BET analysis, and a flowability greate...
04/28/2009
7407526Food additive
The invention concerns an iron powder for fortifying foodstuff. The powder consists of a reduced iron powder having irregularly shaped particles, wherein the iron powder has a ratio AD:PD less than 0.3, wherein AD is the apparent density in g/cm3, and PD ...
08/05/2008
7354471Coated silver-containing particles, method and apparatus of manufacture, and silver-containing devices made therefrom
Provided are silver-containing powders and a method and apparatus for manufacturing the silver-containing particles of high quality, of a small size and narrow size distribution. An aerosol is generated from liquid feed and sent to a furnace, where liquid in droplet...
04/08/2008
7108735Method and device for manufacturing metallic particulates, and manufactured metallic particulates
Produce metal particles offering high purity and uniform granular shape and size: by forming a combustion chamber comprising an injector nozzle for mixture gas of oxygen and hydrogen, an ignition device and a material metal feeder in the upper space of a high-pressu...
09/19/2006
6989127Health ornament containing titanium powder and method for manufacturing thereof
Manufacture health ornaments such as necklaces, bracelets and wristbands that provide sufficient health-promoting function and effective therapeutic action for a long time, by burning a gaseous mixture of oxygen and hydrogen in high-pressure water, using the resulta...
01/24/2006
6939389Method and apparatus for manufacturing fine powders
The manufacture of pure, fine spherical powders has always been a problem for many materials, particularly for high-melting and highly reactive materials such as titanium, tantalum, vanadium and zirconium. The present invention provides a process and apparatus for p...
09/06/2005
6858060Process for the production of composite components by powder injection molding, and composite powders suitable for this purpose
The invention relates to a process for the production of metallic and metal-ceramic composite components by powder injection molding of a system comprising a metal composite powder, a binder and optionally a ceramic component, where the metal composite powder used i...
02/22/2005
6797080Method for producing spraying material
When a chromium-iron-based alloy, preferably a chromium-iron-based alloy having a chromium content of about 60 to about 95 mass % is subjected to heat treatment at about 500 to about 1,300° C., and subsequently to grinding treatment by use of an impact mill, grinda...
09/28/2004
6780255Sm-fe-N based alloy powder and process for producing the same
A magnetic powder of an Sm—Fe—N alloy, which has a mean particle diameter of 0.5 to 10 μm, and either an average acicularity of 75% or above or an average sphericity of 78% or above. The powder exhibits an extremely high residual magnetization and an extremely ...
08/24/2004
6733563Methods for manufacturing hydrogen storage tanks
Methods for making hydrogen storage tanks may include disposing a substantially solid block of hydrogen-absorbing alloy within an activation vessel. Hydrogen gas may then be introduced into the activation vessel under conditions that will cause the hydrogen-absorbin...
05/11/2004
6689193Hydrogen storage alloy powder and method for producing the same
To produce a hydrogen absorbing alloy powder, a starting powder and a plurality of balls are thrown into a container of a ball mill, and then, the inside of the container is maintained in a hydrogen atmosphere to conduct a mechanical alloying....
02/10/2004
6638336Manufacture of cost-effective titanium powder from magnesium reduced sponge
The cost-effective titanium powder is manufactured by (a) magnesium-thermic reduction of titanium chlorides characterized by the formation of a hollow block of the reaction mass having an open cavity in the center of the block, (b) thermal-vacuum separati...
10/28/2003
6168752Process for producing metal powders and apparatus for producing the same
A process for producing metallic powders a chlorination step for continuously producing chloride gas of metal by reacting metal with chlorine gas, and a reduction step for continuously reducing the metallic chloride gas by reacting the metallic chloride g...
01/02/2001
5922102Procedure for manufacturing zinc particles
A procedure for making zinc particles of a size, shape and composition such that the particles can be subsequently used in a process for manufacturing zinc parts from such particles in either molten or powder form includes the initial step of heating zinc...
07/13/1999
5895518Synthesis of alloys with controlled phase structure
A method for preparing controlled phase alloys useful for engineering and hydrogen storage applications. This novel method avoids melting the constituents by employing vapor transport, in a hydrogen atmosphere, of an active metal constituent, having a hig...
04/20/1999
5713982Iron powder and method of producing such
A method of producing iron powder comprises the step of providing a supply of iron oxide powder of a size less than 1000 microns which is then heated in a reducing agent atmosphere to a temperature between 1000° F. and 2100° F., thus resulting in the ir...
02/03/1998
5679130Hydrogen occluded alloy and process for producing such
A hydrogen occluded alloy and a process for producing the above alloy are disclosed. The above process mechanically forms the hydrogen occluded alloy having improved initial discharging characteristics. In the above process, either a powdered LaNi5
10/21/1997
5421854Method for making palladium and palladium oxide powders by aerosol decomposition
A method for the manufacture of finely divided particles of palladium, palladium oxide or mixtures thereof comprising the sequential steps: A. Forming an unsaturated solution of thermally decomposable palladium-containing compound in a thermally volatilizable ...
06/06/1995
5176741Producing titanium particulates from in situ titanium-zinc intermetallic
A process for producing salt free titanium powder by reacting zinc and a titanium halide in the presence of a reducing agent to form a solid zinc titanium product. Titanium halide vapor is introduced into a liquid alloy of zinc and the reducing agent at a...
01/05/1993
5176810Method for producing metal powders
The invention relates to a method for producing metal powders from reactive metals, when the employed raw materials are metal ions in a liquid phase. According to the invention, the metal ions are first reduced into metal in a molten salt electrolysis. Th...
01/05/1993
5173108Method for controlling the oxygen content in agglomerated molybdenum powders
A method is disclosed for producing an agglomerated molybdenum plasma spray powder with a controlled level of oxygen which comprises forming a relatively uniform mixture of agglomerated powders containing molybdenum dioxide and one or more ammonium-contai...
12/22/1992
4927456Hydrometallurgical process for producing finely divided iron based powders
A process for producing finely divided spherical iron group based metallic powders comprises forming an aqueous solution containing a source of the appropriate metal sources in a mineral acid, forming a reducible iron group based material from the solutio...
05/22/1990
4925486Highly compactable zirconium sponge and its manufacture
The process for producing crushed zirconium sponge having particle configurations which enhance its compactability, wherein conventionally produced, as-reduced, non-sintered zirconium sponge pieces are loaded into a vacuum furnace, the furnace is heated u...
05/15/1990
4816069Method for converting cobalt to cobalt metal powder
A method for converting cobalt to cobalt powder is disclosed which comprises heating a starting mixture of cobalt and zinc in a non-reacting atomosphere at a first temperature of below the boiling point of zinc up to about 900° C. in a non-reacting atmos...
03/28/1989
4655825Metal powder and sponge and processes for the production thereof
Passified Zinc Soluble Metal-Based Metal particles having a controlled particle size distribution suitable for metallurgy usage without additional particle size reduction and process for making the same. Such metal particles are substantially free of hali...
04/07/1987
4470847Process for making titanium, zirconium and hafnium-based metal particles for powder metallurgy
A process to produce passified Group IVb transition metal based metal particles having a controlled particle size distribution is disclosed which produces particles suitable for metallurgy usage without additional particle size reduction. Such particles a...
09/11/1984
4353737Method of making metallic glass powders from glassy alloys
Metallic glass powder is prepared by heating a solid metallic glass body to a temperature below its glass transition temperature for time sufficient to effect embrittlement, followed by comminution of the embrittled metallic glass body....
10/12/1982
4304593Embrittling of glass alloys by hydrogen charging
Metallic glass powder is prepared by charging a solid metallic glass body with hydrogen to effect embrittlement, followed by comminution of the embrittled metallic glass body....
12/08/1981
4084965Columbium powder and method of making the same
Columbium powder capable of producing anodes of improved electrical capacitance is prepared by the addition of phosphorus-containing materials in amounts from about 5 to about 600 ppm based on elemental phosphorus....
04/18/1978
 
Sign InRegister
Username  
Password   
forgot password?