LexDanaLexDanabeta
Inventor

E. David Ray

Inventor
White Lake, MI, US

Overview

8→
Patents
1998–2019
Patent span
Performing operations
Primary field (CPC B)

Patents· 8 as inventor

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

B60Kprimary
B60KArrangement or mounting of propulsion units or of transmissions in vehicles43%
F16DCouplings for transmitting rotation21%
F16HGearing21%
B60CVehicle tyres7%
B60WConjoint control of vehicle sub-units of different type or different function7%
PatentTitleYear
10,174,836Speed-responsive mechanical range lock for a transfer case20199,605,753'Speed-responsive mechanical range lock for a transfer case'20178,396,633'Automatic axle disconnect'20138,204,657'Automatic axle disconnect'20127,416,068'Power take-off clutch control system'20087,301,446'Method of detecting undersized, oversized, underinflated or overinflated tires'20076,725,992'Electromagnetic clutch control providing enhanced engagement'20045,771,477'Method and apparatus for synchronizing low to high transfer case shifts'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to BORG WARNER AUTOMOTIVE (1)· patent assignee history
1998Based in Holly, MI, US· patent location history
2004–2019Patents assigned to BORGWARNER INC (7)· patent assignee history
2004–2019Based in White Lake, MI, US· patent location history
2012–2013Patents assigned to BUSZEK JOHN R (2)· patent assignee history
2012–2013Patents assigned to GINTHER BRIAN (2)· patent assignee history
2012–2013Patents assigned to RAY EARL DAVID (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BORGWARNER INC72004–2019
BUSZEK JOHN R22012–2013
GINTHER BRIAN22012–2013
RAY EARL DAVIDself22012–2013
BORG WARNER AUTOMOTIVE11998
Locations
LocationPatentsSpan
White Lake, MI, US72004–2019
Holly, MI, US11998