Resources Contact Us Home
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
Dental fillers including a phosphorus containing surface treatment, and compositions and methods thereof
Solid-state image pickup element, method of manufacturing the same, and image pickup apparatus including the same
Patterned MR device with controlled shape anisotropy
Cryptographic key split combiner
Memory with separate read and write paths
Polyester resin for toner, electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming met
Methods for testing OData services
  Randomly Featured Patents
Light emitting display and method of manufacturing the same
Capping device for ink jet printer
Affinity separation by partition enhancing material conjugated biomolecules in aqueous two-phase extraction system
Device for transporting trees and the like
Gas separation by composite solvent-swollen membranes
Process for the production of a niobium oxycarbonitride superconducting fiber bundle
Neutralization of food allergens by thioredoxin
Amusement device
Semiconductor device and manufacturing method thereof
Bathtub closure means having vertically slidable panels