Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/240
Name: Boring or penetrating the earth > With means movable relative to tool below ground to stop flow toward bore bottom > With undisturbed core receiver > Movable means adapted to underlie severed core
Description: Apparatus in which the movable means is adapted to admit the core of material to the core receiver, and then move to flow stopping position to block movement of the core toward bore bottom.










Patents under this class:

Patent Number Title Of Patent Date Issued
8684110 Sealed core Apr. 1, 2014
4552229 Externally powered core catcher Nov. 12, 1985
4258803 Core barrel for obtaining and retrieving subterranean formation samples Mar. 31, 1981
3952817 Basket type core retainer Apr. 27, 1976











 
 
  Recently Added Patents
Method for preparing an organic film at the surface of solid support under non-electrochemical conditions, solid support thus obtained and preparation kit
Lipoprotein analysis by differential charged-particle mobility
Lettuce sister lines PX06514083, PX06514153, PX06514201 and PX06514204
Method and device for managing a turning setpoint applied to at least one turning actuator for the rear wheels of an automobile
Optical power measurement method, optical line terminal and optical network unit
Systems and methods for port mirroring with network-scoped connection-oriented sink
Spoofing detection for civilian GNSS signals
  Randomly Featured Patents
Method of analyzing crosstalk in a digital logic integrated circuit
Substituted and bridged pyridines useful as calcium channel blocker
Partially crosslinked composition comprising polymers of propylene and of ethylene
Lamp reflector molding composition, lamp reflector, and headlamp
Airstream control system for a hovercraft
Easy-open, reclosable article case
Reversible drive mechanism for a tape recording apparatus
Tetrahydroisoquinoline sulfonamide derivatives, the preparation thereof, and the use of the same in therapeutics
Composite sheet material for brazing
Hollow polyimide microspheres