| |
 |
|
Class Information
Number: 299/3
Name: Mining or in situ disintegration of hard material > In situ conversion of solid to fluid
Description: Process or apparatus including a step or means for changing the physical state of a material from solid to liquid or gaseous in a location in the earth where it naturally occurs.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7410627 |
Sodium carbonate and sodium bicarbonate production |
Aug. 12, 2008 |
| 7100994 |
Producing hydrocarbons and non-hydrocarbon containing materials when treating a hydrocarbon containing formation |
Sep. 5, 2006 |
| 7097386 |
Simultaneous development of underground caverns and deposition of materials |
Aug. 29, 2006 |
| 7013937 |
Apparatus and process for mining of minerals |
Mar. 21, 2006 |
| 6969123 |
Upgrading and mining of coal |
Nov. 29, 2005 |
| 6755262 |
Downhole lens assembly for use with high power lasers for earth boring |
Jun. 29, 2004 |
| 6164727 |
Method of mining a soluble mineral |
Dec. 26, 2000 |
| 5669734 |
Process for making underground storage caverns |
Sep. 23, 1997 |
| 5584611 |
Roof support for underground excavations |
Dec. 17, 1996 |
| 5484027 |
Ice penetrating hot point |
Jan. 16, 1996 |
| 5246078 |
Protective device for thermochemical ice penetrator |
Sep. 21, 1993 |
| 5176210 |
Thermochemical ice melting |
Jan. 5, 1993 |
| 4651834 |
Ice penetrating method and apparatus |
Mar. 24, 1987 |
| 4590348 |
System for heating materials with electromagnetic waves |
May. 20, 1986 |
| 4480872 |
Modified strip mining apparatus |
Nov. 6, 1984 |
| 4256188 |
Method and apparatus for drilling a hole in a body of ice and for the destruction of a body of ice |
Mar. 17, 1981 |
| 4171200 |
Process and apparatus for in situ melting of sulphur from solid sulphur storage block |
Oct. 16, 1979 |
| 4089375 |
In situ retorting with water vaporized in situ |
May. 16, 1978 |
|
|
|
