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
Ventilated vacuum communication structure
Network traffic demotion
Method and system for physical verification using network segment current
Sponge
Providing multiple decode options for a system-on-chip (SoC) fabric
Network based JIT on a priori knowledge of a set of disparate clients
Operation controlling apparatus
  Randomly Featured Patents
Therapeutic methods for inhibiting tumor growth with combination of Dll4 antagonists and VEGF antagonists
Heating apparatus
Magnetic vascular defect treatment system
Card information selecting system
L-4-(phosphinylethyl)-1,3-oxazolidin-5-one derivatives as intermediates for synthesis of phosphorus-containing L-amino acids
Method for measuring stress in a structural element
Grain-based food product with powder coating
Method of detecting stalls in a gas turbine engine
Azo dyestuffs from cyano-amino-benzisothiazoles
Quinacridone nanoscale pigment particles and methods of making same