LexDanaLexDanabeta
Inventor

Mark E. Barker

Inventor
Johnston, IA, US

Overview

12→
Patents
2005–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 12 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A01Mprimary
A01MCatching, trapping or scaring of animals18%
B05BSpraying apparatus14%
A01BSoil working in agriculture or forestry11%
B60PVehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects9%
A01CPlanting7%
E04CStructural elements7%
B23KSoldering or unsoldering5%
B62DMotor vehicles5%
Y10TTechnical subjects covered by former us classification5%
A01DHarvesting2%
PatentTitleYear
10,820,585Sprayer systems with retractable drop apparatuses202010,440,942Sprayer systems with drop apparatuses having retractable arms201910,255,770System and method for nutrient leakage detection201910,252,285Mobile drift sensor for agricultural spraying20199,891,629'Autonomous robotic agricultural machine and system thereof'20189,828,771Boom assembly joints20179,258,989'Boom assembly joints'20169,072,213'Implement frame tube joint with weldable connector'20158,746,589'Boom assembly joints'20148,646,702'Boom fold structure'20147,766,576'Implement frame tube joint with weldable connector'20106,942,163'Implement with plumbing lines through a main frame tube'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2020Patents assigned to DEERE & CO (12)· patent assignee history
2005–2015Based in Ankeny, IA, US· patent location history
2014Patents assigned to BARKER MARK E (2)· patent assignee history
2015Patents assigned to BARKER MARK EUGENE (1)· patent assignee history
2015Patents assigned to BECKER SHAWN JEREMY (1)· patent assignee history
2015Patents assigned to CONNELL RICHARD JOSEPH (1)· patent assignee history
2016–2020Based in Johnston, IA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DEERE & CO122005–2020
BARKER MARK Eself22014
BARKER MARK EUGENEself12015
BECKER SHAWN JEREMY12015
CONNELL RICHARD JOSEPH12015
Locations
LocationPatentsSpan
Johnston, IA, US72016–2020
Ankeny, IA, US52005–2015