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

Icon_funbox Bizarre Patents

Patent No. 5508049

Pizza Pie With Concentric Rings of Crust

A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

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 148/234 - Utilizing agent containing cyano (CN) radical or halogen (X) radical or metal carbonate


Subclass of Class 148 - Metal treatment
Definition: Process which utilizes at any stage an agent containing
No. of patents: 8
Last issue date: 04/17/2007


NumberTitleIssue Date
7204005Manufacturing method of endless metal belt and manufacturing apparatus of endless metal belt
A manufacturing method of an endless metal belt having metal rings built up and differing in circumference, includes the following steps of: a first circumference correction step of expanding each of the metal rings; and a second circumference correction step of exp...
04/17/2007
6663724Molten salt composition for use in manufacturing laminated rings
A laminated ring for use as a belt in transmitting power in a continuously variable transmission is produced by welding opposite ends of a sheet of maraging steel to produce a plurality of rings, and rolling said rings to a predetermined length. The rings...
12/16/2003
5753052Method of treating ferrous surfaces subjected to high friction strains
In a method of increasing the wear resistance and the corrosion resistance f opposed bearing surfaces of parts subjected to reciprocal friction, in particular when the product of the pressure distributed over the bearing surfaces by the relative speed of t...
05/19/1998
5346560Process for the treatment of ferrous metal parts to improve their corrosion resistance and friction properties simultaneously
Precision ferrous metal parts subject to severe friction and corrosion in e are nitrided, preferably in a bath of molten salts based on CNO- cyanate ions, oxidized, preferably in baths of molten oxidizing alkaline salts, and then impregnated wi...
09/13/1994
5252145Method of nitriding nickel alloy
A method of nitriding nickel alloy comprising steps of holding nickel alloy in an atmosphere of fluorine- or fluoride-containing gas in a heated condition and holding the fluorinated nickel alloy in a nitriding atmosphere in a heated condition to provide ...
10/12/1993
5194097Method of nitriding steel and heat treat furnaces used therein
This invention relates to a method of nitriding steel material in a second heat treatment furnace after fluorinating the steel material in a first heat treat furnaceto form a deep and uniform nitrided layer. Then, steel material is treated smoothly by def...
03/16/1993
4563223Corrosion resistant steel components and method of manufacture thereof
To impart good salt spray corrosion resistance to alloy steel components, such components are gas nitrocarburized at 550° C. to 800° C. to produce an epsilon layer, oxidized to produce an Fe3 O4 layer not more than 1 micrometer thi...
01/07/1986
4016012Method for surface treatment of metallic materials
An improved method for surface treatment of metallic materials is described herein. The improvement exists in that a surface treatment agent and a metallic material to be treated are placed in a treating device, heating of the metallic material to be trea...
04/05/1977
 
Sign InRegister
Username  
Password   
forgot password?