LexDanaLexDanabeta
Inventor

David E. Ewel

Inventor
Mankato, MN, US

Overview

3→
Patents
1999–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B60Tprimary
B60TVehicle brake control systems or parts thereof40%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general20%
B62DMotor vehicles20%
H01HElectric switches20%
PatentTitleYear
10,160,428Trailer break-away switch20186,866,348'Electronically controlled full power brake valve'20055,960,694'Hydrostatic power steering system having reduced wheel slip'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to EATON CORP (1)· patent assignee history
1999Based in Eden Prairie, MN, US· patent location history
2005Patents assigned to MICO INC (1)· patent assignee history
2005–2018Based in Mankato, MN, US· patent location history
2018Patents assigned to DEWEL LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DEWEL LLC12018
EATON CORP11999
MICO INC12005
Locations
LocationPatentsSpan
Mankato, Minnesota, US22005–2018
Eden Prairie, Minnesota, US11999