Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 175/254
Name: Boring or penetrating the earth > With means movable relative to tool to receive, retain, or sever undisturbed core > Core-retaining or severing means > Mounted on transverse pivot
Description: Apparatus in which the retaining or severing means moves toward the longitudinal axis of the core by swinging movement about a pivot axis which is substantially transverse to the longitudinal axis of the core.

Patents under this class:

Patent Number Title Of Patent Date Issued
6009960 Coring tool Jan. 4, 2000
5487433 Core separator assembly Jan. 30, 1996
5411106 Method and apparatus for acquiring and identifying multiple sidewall core samples May. 2, 1995
5146999 Shoe assembly with catcher for coring Sep. 15, 1992
4930587 Coring tool Jun. 5, 1990
4848484 Soil sample extraction tool Jul. 18, 1989
4059155 Junk basket and method of removing foreign material from a well Nov. 22, 1977

  Recently Added Patents
Printed wiring board with reinforced insulation layer and manufacturing method thereof
Low latency interrupt collector
Imidazole-5-carboxylic acid derivatives, the preparation method therefor and the uses thereof
Hybrid CMOS nanowire mesh device and PDSOI device
Group control method for machine type communication and mobile communication system using the method
Semiconductor memory apparatus
Requirements model comparative analysis method for effort estimation in customizing a network monitoring and control system
  Randomly Featured Patents
Image processing method and radiographic apparatus using the same
Apparatus for digitally recording time-multiplexed digital information and pilot signals with different recording current levels
Method for preparing composite materials comprising an electrode active compound and an electronic conductor such as carbon in particular for a lithium battery
Endocavity imaging sensor positioning apparatus and method
Test unit for wound drainage dressings
Semiconductor memory device and method of operating the same
Redundant network shared switch
Electromagnetic relay
Semiconductor device
Circulation set for temperature-controlled catheter and method of using the same