Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/248
Name: Boring or penetrating the earth > With means movable relative to tool to receive, retain, or sever undisturbed core > Receiver removable through below-ground tool shaft > Core forming cutting edge or element on receiver
Description: Apparatus in which the core receiver is provided with a cutting edge or element which is adapted to participate in the forming of a core of undisturbed material.










Patents under this class:

Patent Number Title Of Patent Date Issued
8613330 Coring tools and related methods Dec. 24, 2013
8453766 Hydrocarbon formation core protection and transportation apparatus Jun. 4, 2013
6695078 Large diameter sampler for gathering an undisturbed sample Feb. 24, 2004
6681872 In situ reactor Jan. 27, 2004
6659204 Method and apparatus for recovering core samples under pressure Dec. 9, 2003
6230825 Apparatus for recovering core samples under pressure May. 15, 2001
5601152 Vibrator core drilling apparatus Feb. 11, 1997
5474140 Soil sampling probe Dec. 12, 1995
5211715 Coring with tubing run tools from a producing well May. 18, 1993
5188190 Method for obtaining cores from a producing well Feb. 23, 1993
5052502 Apparatus for directional coring Oct. 1, 1991
4878549 Wire line core barrel Nov. 7, 1989
4825963 High-pressure waterjet/abrasive particle-jet coring method and apparatus May. 2, 1989
4679636 Method and apparatus for coring rock Jul. 14, 1987
4558749 Anti-jamming core barrels Dec. 17, 1985
4002213 Down-the-hole motor for rotary drill rod and process for drilling using the same Jan. 11, 1977











 
 
  Recently Added Patents
Pixel structure of organic light emitting device
Specimen preparation device, and control method in specimen preparation device
Method and device for peer arrangement in single substream upload P2P overlay networks
Wireless communication system using pilot allocation, method and pilot pattern thereof
Nucleic acids for cloning and expressing multiprotein complexes
Support for a parameterized query/view in complex event processing
Method and apparatus for performing real time anomaly detection
  Randomly Featured Patents
Saw blades and method of making same
Method and apparatus for controlling frequency deviation of a portable transceiver
Process for the continuous polymerization with micromixing of reactive fluids
Bus patcher
Near eye display prism optic assembly
Apparatus and method for front side chemical mechanical planarization (CMP) of semiconductor workpieces
Game console based digital photo album
Power saving technique for telephony access networks
Pipeline information processing circuit for floating point operations
Petunia plant named `Kakegawa S36`