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

Icon_funbox Celebrity Inventors

Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".

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 196/107 - Tube and drum


Subclass of Class 196 - Mineral oils: apparatus
Definition: Vaporizing compressing heating tubes or coils for heating
No. of patents: 5
Last issue date: 01/05/1999


NumberTitleIssue Date
5856599Process for continuously preparing oil from waste plastics and apparatus therefor
A technique of preparing oil from waste plastics, especially the one to which a mechanism of an extrusion molding machine is applied, is provided wherein an effective control of a decomposition process is conducted in order to effectively prevent the gene...
01/05/1999
4647436Reaction tube system for a steam reformer
A reaction tube system of a steam reformer, more generally referred to as tubular cracking furnace, for the indirect heating of cracking feedstock, such as the catalytic cracking of hydrocarbons, includes a plurality of reaction tubes and headers, the rea...
03/03/1987
4351803Hydrocarbon heating apparatus
Hydrocarbons are preheated, particularly for a hydrodesulfurization process by first heating the hydrocarbon stream to produce a vapor and a liquid stream, thereafter superheating at least some of the vapor phase and mixing the superheated vapor phase wit...
09/28/1982
4246998Conical screen structure
An improved, multiple-well screen structure is provided which is especially adapted for use in a large scale reactor employed in oil shale processing operations. The screen includes a plurality of adjacent, juxtaposed concavities each presenting perforate...
01/27/1981
4088562Method and apparatus for processing oil shale
A low cost, high efficiency process for treating oil shale is provided which allows essentially complete recovery of the valuable hydrocarbon fraction of the shale, including light ends, without direct firing of the shale or use of other expensive process...
05/09/1978
 
Sign InRegister
Username  
Password   
forgot password?