Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Dearnaley; Geoffrey
Address:
San Antonio, TX
No. of patents:
38
Patents:












Patent Number Title Of Patent Date Issued
RE37718 Ion beam modification of bioactive ceramics to accelerate biointegration of said ceramics May 28, 2002
The present invention provides for faster and stronger tissue-implant bonding by treating a ceramic implant with an ion beam to modify the surface of the ceramic. The surface modification can give the ceramic improved ion-exchange properties depending upon the particular ceramic and
7704546 Ceramic in replacement components April 27, 2010
A method and apparatus for a prosthesis. At least a portion of the prosthesis is made from a ceramic that is treated with ion implantation, which causes a controllable, bilateral compressive stress of the ceramic. A diamond-like-coating (DLC) can be coated on the ceramic and in the same
7572345 Life extension of chromium coatings and chromium alloys August 11, 2009
Substrates comprising a surface comprising chromium, said surface being adapted to exhibit reduced coefficient of friction and/or increased hardness.
7303834 Catalytic coatings and fuel cell electrodes and membrane electrode assemblies made therefrom December 4, 2007
Fuel cell electrodes comprising a minimal load of catalyst having maximum catalytic activity and a method of forming such fuel cell electrodes. The preferred method comprises vaporizing a catalyst, preferably platinum, in a vacuum to form a catalyst vapor. A catalytically effective amoun
7252684 Ceramic in replacement components August 7, 2007
A method and apparatus for a prosthesis. At least a portion of the prosthesis is made from a ceramic that is treated with ion implantation, which causes a controllable, bilateral compressive stress of the ceramic. A diamond-like-coating (DLC) can be coated on the ceramic and in the same
6723177 Life extension of chromium coating and chromium alloys April 20, 2004
A process for treating a chromium coating and/or the surface of a chromium alloy to increase hardness, and/or to decrease coefficient of friction; chromium alloys and/or chromium coatings with surfaces having increased hardness and/or decreased coefficient of friction; and, components
6610436 Catalytic coatings and fuel cell electrodes and membrane electrode assemblies made therefrom August 26, 2003
Fuel cell electrodes comprising a minimal load of catalyst having maximum catalytic activity and a method of forming such fuel cell electrodes. The preferred method comprises vaporizing a catalyst, preferably platinum, in a vacuum to form a catalyst vapor. A catalytically effective amoun
6565913 Non-irritating antimicrobial coatings and process for preparing same May 20, 2003
An adherent antimicrobial coating and method of making same comprising hydrogenated amorphous carbon and a dispersion of antimicrobial metal ions adapted to maintain a therapeutically effective zone of inhibition.
6514565 Method for producing a lubricious amorphous carbon film February 4, 2003
An amorphous carbon film, preferably disposed on and substantially filling the pores in a porous anodized aluminum outer surface, wherein the amorphous carbon film comprises as an integral component an effective amount of a lubricity-increasing agent, preferably sulfur.
6410144 Lubricious diamond-like carbon coatings June 25, 2002
An amorphous carbon film, preferably disposed on and substantially filling the pores in a porous anodized aluminum outer surface, wherein the amorphous carbon film comprises as an integral component an effective amount of a lubricity-increasing agent, preferably sulfur.
6361567 Non-irritating antimicrobial coating for medical implants and a process for preparing same March 26, 2002
The present invention provides a process of forming an antimicrobial coating on a surface of a medical implant, the coating comprising an antimicrobially effective amount of antimicrobial metal atoms incorporated into a coating of amorphous carbonaceous material.
6279449 Rapid deployment countermeasure system and method August 28, 2001
A rapid deployment countermeasure system comprises a base attached to a plurality of tubes which are in fluid communication with at least one deployment module. A guidance bar is attached to the top ends of the tubes, and a guidance shroud is proximate to the outer surfaces of the tu
6200649 Method of making titanium boronitride coatings using ion beam assisted deposition March 13, 2001
A method of forming titanium boronitride coatings using ion beam assisted deposition. The method involves exposing the substrate to a vacuum, depositing titanium onto the substrate, substantially simultaneously exposing the substrate to a source comprising boron and nitrogen, and sub
6171343 Ultra high molecular weight polyethylene components treated to resist shearing and frictional we January 9, 2001
The present invention provides methods for modifying surfaces made from metal alloy and/or UHMWPE, preferably surfaces which are frictionally engaged, e.g., in an orthopaedic implant. The methods of the present invention reduce the coefficient of friction of the metal alloy component,
6159533 Method of depositing a catalyst on a fuel cell electrode December 12, 2000
Fuel cell electrodes comprising a minimal load of catalyst having maximum catalytic activity and a method of forming such fuel cell electrodes. The method comprises vaporizing a catalyst, preferably platinum, in a vacuum to form a catalyst vapor. A catalytically effective amount of the c
6153327 Amorphous carbon comprising a catalyst November 28, 2000
Amorphous carbon comprising a dispersion comprising a catalytically effective load of catalyst, preferably an electrocatalytically effective load of a noble metal electrocatalyst, and membrane electrode assemblies and fuel cell electrodes incorporating same.
6087025 Application of diamond-like carbon coatings to cutting surfaces of metal cutting tools July 11, 2000
The present invention provides metal working tools with metal working surfaces bearing a coating of diamond-like carbon that is strongly adhered to the surface via the following gradient: metal alloy or cobalt-cemented tungsten carbide base; cobalt or metal-silicide and/or cobalt or
6042896 Preventing radioactive contamination of porous surfaces March 28, 2000
A method for preventing radioactive contamination of porous surfaces comprising providing an apparatus for handling radioactive material comprising a porous surface; exposing the porous surface to a vacuum; depositing a flowable precursor material onto the porous surface, wherein the
6001481 Porous anodized aluminum surfaces sealed with diamond-like carbon coatings December 14, 1999
A component comprising an anodized aluminum surface comprising a diamond-like carbon sealant. In a preferred embodiment, the diamond-like carbon sealant substantially fills pores in the anodized aluminum surface, and the pores are substantially free of gas. The anodized aluminum surface
5984905 Non-irritating antimicrobial coating for medical implants and a process for preparing same November 16, 1999
The present invention provides a process of forming an antimicrobial coating on a surface of a medical implant, the coating comprising an antimicrobially effective amount of antimicrobial metal atoms incorporated into a coating of amorphous carbonaceous material.
5976711 Bearing surfaces of hypereutectic alloys modified to increase lubricant effectiveness November 2, 1999
The surfaces of silicon protrusions from hypereutectic alloy bearing surfaces are converted to a highly stable metal silicides which are more effectively lubricated by conventional polar lubricant additives.
5945153 Non-irritating antimicrobial coating for medical implants and a process for preparing same August 31, 1999
The present invention provides a process of forming an antimicrobial coating on a surface of a medical implant, the coating comprising an antimicrobially effective amount of antimicrobial metal atoms incorporated into a coating of amorphous carbonaceous material.
5922415 Lubrication of magnetic disk storage media July 13, 1999
The present invention provides a diamond like carbon coating comprising a surface comprising an interface and a lubricant film, said interface comprising atomic bonds between atoms in said diamond-like carbon coating and atoms in said lubricant precursor film. The invention also provides
5863621 Non-chromate sealant for porous anodized aluminum January 26, 1999
The present invention provides a method for easily and effectively removing adsorbed water molecules from an anodized surface using low intensity ultraviolet (UV) radiation. The present invention also provides a method for sealing an anodized aluminum surface which does not result in
5795672 Diamond-like carbon based electrocatalytic coating for fuel cell electrodes August 18, 1998
The present invention provides a low-temperature method for producing electrocatalytic coatings for fuel cell electrodes. The electrocatalytic coating comprises a thin-film of diamond-like carbon doped with finely-dispersed catalytic agent, preferably platinum, platinum-ruthenium, or
5780119 Treatments to reduce friction and wear on metal alloy components July 14, 1998
The present invention provides a method for strongly adhering a diamond-like carbon coating to a metal alloy substrate using ion beam assisted deposition of silicon and/or germanium followed by ion beam assisted deposition of diamond-like carbon.
5759904 Suppression of transient enhanced diffusion in ion implanted silicon June 2, 1998
The present invention provides a method for suppressing transient enhanced diffusion of ion implanted dopants in a semiconductor substrate comprising bombarding the substrate in a vacuum with a beam of bubble-forming ions at a first temperature, a first energy, and a first ion dose suffi
5731045 Application of diamond-like carbon coatings to cobalt-cemented tungsten carbide components March 24, 1998
The present invention uses ion beam assisted deposition to adhere a diamond-like carbon coating to a cobalt-cemented tungsten carbide substrate, resulting in the following gradient at the surface of the substrate: substrate/(metal-silicide or metal-germanide)/(silicon or germanium)/(
5725573 Medical implants made of metal alloys bearing cohesive diamond like carbon coatings March 10, 1998
The present invention provides a method for coating a metal alloy component of a medical implant, particularly a component of a heart valve made of a titanium base alloy, with a strongly adhered coating of diamond-like carbon. The method uses ion beam assisted deposition to form a gradie
5624718 Diamond-like carbon based electrocatalytic coating for fuel cell electrodes April 29, 1997
The present invention provides a low-temperature method for producing electrocatalytic coatings for fuel cell electrodes. The electrocatalytic coating comprises a thin-film of diamond-like carbon doped with finely-dispersed catalytic agent, preferably platinum, platinum-ruthenium, or
5605714 Treatments to reduce thrombogeneticity in heart valves made from titanium and its alloys February 25, 1997
The present invention provides a method for coating a titanium based component with diamond-like carbon to reduce the thrombogeneticity of the component. In a preferred embodiment, the titanium based component is a heart valve.According to the present invention, the component is placed i
5594041 Methods for increasing structural integrity of polymers and polymers treated by such methods January 14, 1997
The present invention provides a method for improving the structural integrity of polymers using a combination of high energy radiation and improved crosslinking agents. The crosslinking agents are 1,3-butadiene, three carbon cyclic compounds, three membered heterocyclic organic comp
5593719 Treatments to reduce frictional wear between components made of ultra-high molecular weight poly January 14, 1997
The present invention provides methods for modifying surfaces made from metal alloy and/or UHMWPE, preferably surfaces which are frictionally engaged, e.g., in an orthopaedic implant. The methods of the present invention reduce the coefficient of friction of the metal alloy component,
5512330 Parylene precursors for diamond-like carbon coatings April 30, 1996
The present invention provides a new class of precursors for forming an improved diamond-like carbon coating on a workpiece. The precursors of the present invention are paraxylylenes, preferably dimers of paraxylylene, which are solid at room temperature and which will vaporize, pyrolize
5501745 Low temperature method for making a photovoltaic material March 26, 1996
The present invention relates to a low temperature method for making a photovoltaic material. In particular, the present invention describes a low temperature method for the deposition in vacuo of successive layers of materials required for a photovoltaic device. The present invention us
5496374 Ion beam modification of bioactive ceramics to accelerate biointegration of said ceramics March 5, 1996
The present invention provides for faster and stronger tissue-implant bonding by treating a ceramic implant with an ion beam to modify the surface of the ceramic. The surface modification can give the ceramic improved ion-exchange properties depending upon the particular ceramic and
5393572 Ion beam assisted method of producing a diamond like carbon coating February 28, 1995
The present invention relates to an ion beam assisted method of producing a diamond like carbon (DLC) coating on the surface of a material. More particular, the invention relates to an ion beam assisted method using a fullerene precursor to produce a DLC coating, wherein the chemical
5391407 Process for forming protective diamond-like carbon coatings on metallic surfaces February 21, 1995
Process for forming diamond-like carbon coatings on metal surfaces to produce increased resistance to penetration, abrasion, and corrosion. A Ni/P coating is formed on an uncoated metal workpiece by-electroless deposition. While the workpiece is heated to harden the Ni/P coating, a v










 
 
  Recently Added Patents
Method and system for remapping processing elements in a pipeline of a graphics processing unit
Compound semiconductor device and manufacturing method therefor
Fabricated leaf tea products
Substantially aligned boron nitride nano-element arrays and methods for their use and preparation
Data latch circuit and electronic device
Apparatus and method for extracting cascading style sheet rules
Towel clip
  Randomly Featured Patents
Softening expanding ureteral stent
Cam disk and spring excursion switch for a stored-energy spring mechanism and stored-energy spring mechanism
Priority dispatch communications in publicly-accessible networks
Cover for a binder, folder or notebook
Storage medium recording method and storage medium having multiple recording areas
Heat seal capper head assembly
Unidirecional reaction turbine operable under reversible fluid from flow
Two step plasma etch method for forming self aligned contact
Pointer/tracker for a phased array laser system
Method for parcel marking and three dimensional label thereof