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.

Date of Patent:
Jan. 20, 2026

Filed:

Nov. 16, 2023
Applicant:

Kejr, Inc., Salina, KS (US);

Inventors:

Thomas M Christy, Salina, KS (US);

Blake G Slater, Salina, KS (US);

David O Walsh, Mukilteo, WA (US);

Assignees:

Kejr Inc., Salina, KS (US);

Vista Clara Inc., Mukilteo, WA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/32 (2006.01); G01N 24/08 (2006.01);
U.S. Cl.
CPC ...
G01V 3/32 (2013.01); G01N 24/085 (2013.01);
Abstract

A direct push probe assembly that contains NMR components for collecting NMR measurements from soil as the probe assembly is pushed into the soil or retracted from the soil. The probe assembly includes an upper metal housing, a lower metal end piece, and a window section positioned between the upper metal housing and the lower metal end piece. The window section is made of non-conductive, non-magnetic materials for allowing NMR measurements from NMR components located within the probe assembly. The window section is cylindrical with multiple layers, including a layer of hard material capable of transmitting high compressive forces, such as a ceramic material, and a layer of reinforced composite plastic material capable of transmitting high tensile forces. The window section is secured to the upper and lower metal sections of the probe assembly using an adhesive to withstand static and dynamic driving forces transmitted through the probe during use.


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