Inventor

LANDPHAIR DONALD K

US29 patents

⚠️ This page may combine multiple inventors who share the name “LANDPHAIR DONALD K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LANDPHAIR DONALD K

DEERE & CO

Seed distribution system and method for a seeding implement

Soil moisture-based planter downforce control

Closed granular chemical handling system

Closed granular chemical handling system

Closed granular chemical handling system

Soil moisture-based planter downforce control

Seed spacing monitoring system for use in an agricultural seeder

Closed granular chemical handling system

System and method for consistent depth seeding to moisture

Seeding machine for planting multiple seed varieties

Rephasing controlling/controlled hydraulic cylinders in folding implement frame

Closed granular chemical handling system

Seed tube for an agricultural seeding machine

Planter row unit downforce control with ground view sensor

Foldable frame flexing hinge

Radial engagement drive coupler

Hitch flexing hinge

Locking row marker hydraulic cylinders in retracted transport condition

Socket casting with a cast-in ball and method of casting

Planter row unit downforce control with ground view sensor

Work vehicle with ground support unit having non-treaded area aligned with row unit component

Fertilizer meter with motor control and method thereof

LANDPHAIR DONALD K

Particulate flow sensing for an agricultural implement

Method of calibrating the meter of a product distribution apparatus and monitoring method

Air seeder with GPS based on/off control of individual row units

GREEN LAWRENCE D

Control system and method of operating a product distribution machine

LIU JAMES Z

System and method of calibrating the meter of a product distribution machine

BROCKMANN THOMAS C

Twin-row multiple variety planter and method of use

MARIMAN NATHAN A

Seed tube for an agricultural seeding machine