Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/276
Name: Boring or penetrating the earth > Cutter element laterally shiftable below ground (e.g., expansible) > With shifting mechanism spring biased to operative position > With separate latch > Frangible or discardable element
Description: Apparatus in which the movable latch member comprises a part which is destructible or discarded so that the part is used only one time.










Patents under this class:

Patent Number Title Of Patent Date Issued
8365843 Downhole tool actuation Feb. 5, 2013
6594881 Bit torque limiting device Jul. 22, 2003
6182774 Bit torque limiting device Feb. 6, 2001
RE36526 Retrievable through tubing tool and method Jan. 25, 2000
5947214 BIT torque limiting device Sep. 7, 1999
5595247 Retrievable through tubing tool and method Jan. 21, 1997











 
 
  Recently Added Patents
Method for production of a thermoelectric apparatus
Resonant conversion system with over-current protection processes
Respirator belt having bumper cushion
Method and apparatus for executing load distributed printing
Isolated Australian coral reef fluorescent proteins and cell-based kinase or phosphatase platforms for cancer drug development
Device and method for processing input data of protective relay
Implantable device
  Randomly Featured Patents
Drawing table
Attachment solution for multi-access environments
Method and apparatus for reducing radiation and cross-talk induced data errors
Calcium process for manufacturing silicate and/or aluminate based products
Multiple button interactive electronic card
Fire suppression using water mist with ultrafine size droplets
Locking system especially for automobiles
Methods and systems for PDCCH blind decoding in mobile communications
Elastomer to substrate bonding
Zoom lens system