Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/3
Name: Boring or penetrating the earth > Boring with explosion in inaccessible hole > Severing formed core by explosion
Description: Process or apparatus involving a step or means utilizing an explosive charge to separate a previously formed undisturbed core from the formation.










Patents under this class:

Patent Number Title Of Patent Date Issued
5756926 EFI detonator initiation system and method May. 26, 1998











 
 
  Recently Added Patents
Case for electronic device
Image forming apparatus with enhanced display of guidance information
Variable speed traffic control system
Visual processing apparatus and visual processing method
System for hot-start amplification via a multiple emulsion
Monofocal photographing lens assembly
Pixel circuit
  Randomly Featured Patents
Recording medium, program, and reproduction method
Air-fuel mixture control system
Ski pole
Chemically-etched nanostructures and related devices
Ornamental child's pillow in the fanciful form of a dalmation
Salad container
Card read/write device
Performing a multiply-multiply-accumulate instruction
Exercising apparatus
Shear resistant rivet and saw chain