Nitrogen Use Efficiency, Nitrogen Fertilizers,nitrogen algorithms, NUE, Nitrogen and the EnvironmentHand Planter Design / Blueprints
Last update: April 30, 2020
OSU Hand Planter Patents

Koller, A. Adrian, William R. Raun, and Randal K. Taylor. 2012. Singulating hand planter and fertilizer applicator.  Serial No. 61/799,338. Disclosure, July 26, 2012.

Koller, A., Adrian, Randal K. Taylor, and William R. Raun. 2016. US Utility Patent Appl. No. 14/776,848 (based on Int’l. Patent Appl. No. PCT/US2014/030400 filed 3/17/14). Singulating Hand Planter and Fertilizer Applicator. OSU Ref. No. 2013.01.   2.   

Koller Adrian, Randal Taylor, and William Raun. 2017.  Singulating hand planter and fertilizer applicator. Patent No. US 9,635,801 B2, May 2, 2017.
OSU Hand Planter Blueprints
Outer housing
Internal housing
Entire Schematic
Arm for connecting to the internal drum
External Aluminum Housing
Metering Housing
450S internal drum
Urea fertilizer internal drum
Pin (welded to outer housing, attaches to arm)
OSU Hand Planter ManualOklahoma State University
Hand Planter Manual

Nitrogen Use Efficiency, Nitrogen Fertilizers, NUE, Nitrogen and the Environment