Inventor

Eric Albert Keen

Inventor

Waterloo, IA, US

Overview

20→

Patents

1995–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 20 as inventor

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

LOC15primary

LOC1524%

B62DMotor vehicles16%

B60KArrangement or mounting of propulsion units or of transmissions in vehicles12%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof8%

LOC128%

A47CChairs4%

B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles4%

B60NSeats specially adapted for vehicles4%

E05FDevices for moving wings into open or closed position4%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof4%

PatentTitleYear

D0928850Operator station for a work machine2021 D0915473Operator station for work vehicle2021 D0910086Work machine2021 10,870,447Brake system for steering feedback2020 8,622,362'Suspension system'2014 7,909,125'Dual pivoting hood support'2011 7,726,142'Low profile HVAC system'2010 7,165,514'Variable speed fan drive'2007 D0520527'Agricultural tractor hood'2006 7,014,264'Folding chair with pnuematically height adjustable seat'2006 D0511730'Vehicle louver'2005 6,780,215'Vacuum pump aspirator for work vehicle pre-cleaner'2004 6,588,524'Vacuum pump aspirator for work vehicle pre-cleaner'2003 D0470256'Tractor headlight module'2003 6,487,754'Spring loaded hood support'2002 D0460087'Tractor headlight bezel'2002 D0458944'Tractor hood'2002 6,401,851'Hood assembly'2002 D0451106'Tractor hood'2001 D0355481'Combined toilet seat and exhaust fan'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995Patents assigned to KEEN ERIC (1)· patent assignee history

1995Based in Knox, IN, US· patent location history

2001–2021Patents assigned to DEERE & CO (18)· patent assignee history

2001–2011Based in Waterloo, IA, US· patent location history

2006Patents assigned to ALDERMAN LEE V (1)· patent assignee history

2006Patents assigned to KEEN ERIC ALBERT (1)· patent assignee history

2006–2021Based in Manhattan, KS, US· patent location history

2014Patents assigned to KEEN ERIC A (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DEERE & CO	18	2001–2021
ALDERMAN LEE V	1	2006
KEEN ERICself	1	1995
KEEN ERIC Aself	1	2014
KEEN ERIC ALBERTself	1	2006

Locations

Location	Patents	Span
Waterloo, IA, US	11	2001–2011
Manhattan, KS, US	8	2006–2021
Knox, IN, US	1	1995