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Inventor

GROGG JOHN ALLEN

US8 patents
⚠️ This page may combine multiple inventors who share the name “GROGG JOHN ALLEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

EATON CORP

3 patents
US9598067B2Mar 21, 2017

Control strategy for AWD connection and disconnection

EATON CORP10 citations82
US8914213B2Dec 16, 2014

Method and apparatus for real time estimation of road surface friction coefficient

EATON CORP11 citations82
US9695884B2Jul 4, 2017

Dual piston disconnect actuator for power transfer unit

EATON CORP1 citations46

GROGG JOHN ALLEN

3 patents
US8584786B2Nov 19, 2013

Idle-able power transfer unit

GROGG JOHN ALLEN8 citations81
US8474349B2Jul 2, 2013

Idle-able auxiliary drive system

GROGG JOHN ALLEN6 citations77
US8596436B2Dec 3, 2013

Idle-able auxiliary drive system

GROGG JOHN ALLEN6 citations66

TORQUE TRACTION TECH INC

2 patents
US6725989B1Apr 27, 2004

Variably controlled torque coupling device for on-demand all-wheel drive drivetrains

TORQUE TRACTION TECH INC61 citations95
US6742640B1Jun 1, 2004

Wrap spring activated torque transfer device

TORQUE TRACTION TECH INC15 citations83