Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Pneumatic rock-boring device and method for starting such a device










Image Number 3 for United States Patent #7093671.

The invention relates to a method for horizontal ground-boring, in particular for rock-boring, by a rotating and hammering driven ground-boring device, whereby the device is alternately or simultaneously supplied with compressed air and drilling medium and the compressed air and drilling medium are supplied through a channel.








 
 
  Recently Added Patents
Transducer displacement protection
Erasing a non-volatile memory (NVM) system having error correction code (ECC)
Coffee cup stationery tab
Approaching object detection system
Semiconductor device and method of manufacturing the same
Systems and methods for implementing multi-application tabs and tab sets
Computer server capable of supporting CPU virtualization
  Randomly Featured Patents
Non-volatile semiconductor memory device
Saving un-viewed instant messages
Very high density interconnections
Outlet tube device for urinary drainage bag
Flip chip package, circuit board thereof and packaging method thereof
2-Amino-1-sulfonaphthalene containing acylaminomethyl substituent
Mechanism for can opener
Virtual reality game
Surgical instrument for determining the size of intervertebral implant
Generator for generating control voltage waveform