The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 14, 2003
Filed:
Jan. 10, 2001
Applicant:
Inventors:
Peter N. Looijen, Leidschendam, NL;
Herman M. Zuidberg, Rijnsburg, NL;
Assignee:
Fugro Engineers B.V., Leidschendam, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 2/500 ;
U.S. Cl.
CPC ...
E21B 2/500 ;
Abstract
An apparatus for taking a soil sample includes a drill pipe, a first driving gear for introducing the drill pipe into the soil, a sampling bush which movably fits into the drill pipe and a second driving gear for introducing the sampling bush into the soil.