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...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.

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Class 427/374.6 - Vacuum, vapor, or gas other than air utilized


Subclass of Class 427 - Coating processes
Definition: Processes wherein the cooling takes place in a vacuum or
No. of patents: 22
Last issue date: 12/11/2007


NumberTitleIssue Date
7307772Hybrid process for depositing electrochromic coating
A method of producing an electrochromic device, includes the steps of: providing a first electron conducting layer on a substrate, providing a working electrode in communication with the first electron conducting layer, providing an ion conducting layer in communica...
12/11/2007
7106488Hybrid process for depositing electrochromic coating
A method of producing an electrochromic device, includes the steps of: providing a first electron conducting layer on a substrate, providing a working electrode in communication with the first electron conducting layer, providing an ion conducting layer in communica...
09/12/2006
6503849Method for forming insulating film
A method for forming an insulating film, wherein a precursor film of a coating type insulating film having Si--H bonding is coated, the precursor film is calcined in an atmosphere containing at least one of an inert gas and oxygen gas for converting it in...
01/07/2003
6488986Combined coat, heat treat, quench method for gas turbine engine components
A method for imparting an aluminide coating to an alloy gas turbine engine component, heat treating the component, and quenching the component. The component is exposed to a source of aluminum at an elevated temperature in a coating furnace to deposit an ...
12/03/2002
6120854Liquid crystal polymer coating process
Plasma spraying of particulate thermotropic liquid crystalline polymers onto the surfaces of composite and metallic structures. The present plasma spray process employs a conventional direct current electric arc plasma spray gun in which an inert plasma g...
09/19/2000
5981022Apparatus and method for drying or curing web materials and coatings
A method for drying and/or curing a traveling web including a RF generating means for delivering RF through field and RF stray field to the web to heat the web, air bars to direct air flow to the web for cooling to facilitate emission of moisture therefro...
11/09/1999
5893950Method and apparatus for applying a water-based coating composition to a substrate
A method and apparatus that prevents premature drying of a layer of a water-based coating composition on a substrate are disclosed....
04/13/1999
5660885Protection of thermal barrier coating by a sacrificial surface coating
A method for protecting thermal barrier coatings deposited on engine parts from the deleterious effects of environmental contaminants at high temperatures is given. The method uses a sacrificially consumed oxide coating with the thermal barrier coating, w...
08/26/1997
5562004Method for manufacturing magnetostrictive shaft applicable to magnetostriction type torque sensor and magnetostrictive shaft manufactured by the method thereof
In a method for manufacturing a magnetostrictive shaft applicable to a magnetostrictive torque sensor and a product of the magnetostrictive shaft manufactured by the above-described method, a magnetostrictive shaft manufactured by the above-described meth...
10/08/1996
5437748Process for patenting and brass plating steel wire
It is usually desirable to utilize brass coated steel wires in the reinforcement of rubber articles, such as tires. This invention relates to a process for simultaneously parenting and brass plating a steel wire which comprises: (a) continuously passing t...
08/01/1995
5281684Solder bumping of integrated circuit die
A method for forming a solder bump on an integrated circuit die utilizes a terminal (12) formed of an electrically conductive, solder-wettable composite material composed of copper particles and a polymeric binder. The terminal comprises a bond pad (24) o...
01/25/1994
5252367Method of manufacturing a magnetic recording medium
A method of manufacturing a magnetic recording medium such as for a magnetic disc, in which a magnetic layer comprising a Co-based alloy is formed on a carbon substrate and a heat treatment is applied at a temperature of 250° to 1450° C. to improve the ...
10/12/1993
4950503Process for the coating of a molybdenum base
A process for coating a molybdenum base with an oxidation resistant layer. The oxidation resistant layer is applied as an oxide powder which is converted to the base metal or metal alloy by heating in a reducing atmosphere. The coating layer is characteri...
08/21/1990
4725449Method of making radio frequency ion source antenna
In the method, the radio frequency (RF) antenna is made by providing a clean coil made of copper tubing or other metal conductor, which is coated with a tacky organic binder, and then with a powdered glass frit, as by sprinkling the frit uniformly over th...
02/16/1988
4552788Hot dipping method for forming a metal or alloy coating around an elongated body
A method for forming a metal coating on an elongated member, specifically, for forming a thick metal coating on a wire or the like, in which an elongated member being drawn through a melt is extracted from the surface of the bath in a gas container. The g...
11/12/1985
4513033Differentially coated galvanized steel strip and method and apparatus for producing same
A differentially coated, galvanized steel strip is produced by hot dip coating both sides of a steel strip and adjusting the weight of coating metal on opposite sides of the strip to produce a light coated side and a heavy coated side. The strip is then p...
04/23/1985
4476151Method and device for attaching disc-or plate-shaped target bodies to cooling plates for sputtering systems
A target body composed of a select target material is attached to a cooling plate for sputtering systems in such a manner that substantially no bubbles, pores or oxide layers are present in the ultimate solder joint between the surfaces joined together. A...
10/09/1984
4247259Composite ceramic/metallic turbine blade and method of making same
A composite, ceramic/metallic fabricated blade unit for an axial flow rotor includes an elongated metallic support member having an airfoil-shaped strut, one end of which is connected to a dovetail root for attachment to the rotor disc, while the opposite...
01/27/1981
4234972Bioglass coated metal substrate
A prosthesis for cement-free bonding to bone comprising a metal substrate coated with a biologically active glass or glass-ceramic of uniform composition and thermal coefficient of expansion and free of flaws resulting from thermo-mechanical stresses, the...
11/25/1980
4197339Low pressure process for producing substantially voidless composites
Filament-reinforced A-type PMR polyimide composites are prepared by mixing known monomers, applying the mixture as a matrix material to a plurality of the filaments, imidizing to obtain a prepolymer having a defined melt temperature range, heating the pre...
04/08/1980
4152471Method for continuously contact-coating one side only of a ferrous base metal strip with a molten coating metal
Method and means for continuously contact-coating one side only of a ferrous base metal strip with a molten coating metal. One or more roll means are provided to conduct the strip surface to be coated above the surface of a bath of the molten coating meta...
05/01/1979
4082868Method for continuously contact-coating one side only of a ferrous base metal strip with a molten coating metal
Method and means for continuously contact-coating one side only of a ferrous base metal strip with a molten coating metal. One or more roll means are provided to conduct the strip surface to be coated above the surface of a bath of the molten coating meta...
04/04/1978
 
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