LexDanaLexDanabeta
Inventor

Darrel Jeffrey Rowan

Inventor
Dubuque, IA, US

Overview

5→
Patents
2007–2013
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 5 as inventor

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

E02Fprimary
E02FDredging40%
B60NSeats specially adapted for vehicles20%
Y10TTechnical subjects covered by former us classification20%
F15BSystems acting by means of fluids in general10%
LOC1510%
PatentTitleYear
8,424,632'Input control pattern'20138,333,250'Mounting console with visibility improvements'20128,104,566'Arrangement of steering wheel and operator seat assembly'20127,857,070'Control system using a single proportional valve'2010D0556790'Electronic grader control unit assembly'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2013Patents assigned to DEERE & CO (5)· patent assignee history
2007–2013Based in Dubuque, IA, US· patent location history
2012–2013Patents assigned to KENNEDY MICHAEL EUGENE (3)· patent assignee history
2012–2013Patents assigned to ROWAN DARREL JEFFREY (3)· patent assignee history
2012–2013Patents assigned to GRAEVE JOSH DEAN (2)· patent assignee history
2012–2013Patents assigned to HARBER NEIL VINCENT (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DEERE & CO52007–2013
KENNEDY MICHAEL EUGENE32012–2013
ROWAN DARREL JEFFREYself32012–2013
GRAEVE JOSH DEAN22012–2013
HARBER NEIL VINCENT22012–2013
Locations
LocationPatentsSpan
Dubuque, IA, US52007–2013