Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/4.59
Name: Boring or penetrating the earth > Boring with explosion in inaccessible hole > Projectile forms bore > With means to prevent preliminary bore fluid contact
Description: Subject matter directed to means which are provided to prevent ambient fluid in the hole from coming in contact with the missile until propulsion of the missile commences.










Patents under this class:

Patent Number Title Of Patent Date Issued
6557650 Method and apparatus for protecting explosives May. 6, 2003
6386296 Method and apparatus of protecting explosives May. 14, 2002
4467878 Shaped charge and carrier assembly therefor Aug. 28, 1984
4063509 Device for stimulation of geothermal wells Dec. 20, 1977
3939927 Combined gravel packing and perforating method and apparatus for use in well bores Feb. 24, 1976











 
 
  Recently Added Patents
Approaching object detection system
Method and apparatus for controlling peak amplifier and doherty power amplifier
Multiplanar image displays and media formatted to provide 3D imagery without 3D glasses
Drinking glass with ball embedded in base
Systems and methods for port mirroring with network-scoped connection-oriented sink
Silicon-on-insulator (SOI) structure configured for reduced harmonics and method of forming the structure
Monitoring heap in real-time by a mobile agent to assess performance of virtual machine
  Randomly Featured Patents
Electronic color printing system with sonic toner release development
Switching regulator with slope compensation and control method therefor
Internal combustion engine with sound deadening jacketing
Game board with pivotal planar member
Dual mode headset device
Process for recovery of ethylene from gaseous mixture
Method and apparatus for impairment correlation estimation in a wireless communication receiver
Epoxy silicone
Component for logic circuits and logic circuits equipped with this component
Driver circuit, display device, and electronic device