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:
Dec. 02, 2025

Filed:

May. 20, 2021
Applicant:

Precision Planting Llc, Tremont, IL (US);

Inventors:

Richard Petroski, Tremont, IL (US);

Rachel Nelson, Tremont, IL (US);

Assignee:

Precision Planting LLC, Tremont, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/24 (2006.01); G01N 1/38 (2006.01); G01N 1/40 (2006.01); G01N 21/65 (2006.01); G01N 21/77 (2006.01); G01N 21/80 (2006.01); G01N 31/22 (2006.01); G01N 21/31 (2006.01);
U.S. Cl.
CPC ...
G01N 33/24 (2013.01); G01N 1/38 (2013.01); G01N 1/4077 (2013.01); G01N 21/658 (2013.01); G01N 21/77 (2013.01); G01N 21/80 (2013.01); G01N 31/22 (2013.01); G01N 31/221 (2013.01); G01N 2001/383 (2013.01); G01N 2001/4088 (2013.01); G01N 21/31 (2013.01); G01N 2021/7763 (2013.01); G01N 2021/7783 (2013.01); G01N 33/245 (2024.05);
Abstract

Described herein is a method of analyzing nutrient content in soil, the method comprising a) obtaining a soil sample, b) adding a liquid to the soil sample to form a soil slurry, c) flowing the soil slurry through a filter, whereby the filter is oriented such that the soil slurry flows downward through the filter at least partially under the effects of gravity, d) blending a reagent composition with the soil slurry to form a soil mixture, and e) measuring an absorbance of the soil mixture.


Find Patent Forward Citations

Loading…