11
Robert J Wilson, David Sperduti: Full-time transfer case with synchronized dual planetary gear reduction unit. New Venture Gear, Harness Dickey & Pierce, July 29, 1997: US05651749 (35 worldwide citation)

A power transfer system is disclosed for a four-wheel drive vehicle operable for permitting a vehicle operator to select between various full-time and part-time four-wheel drive modes. The power transfer system includes a transfer case equipped with a dual-planetary gear reduction unit and a synchro ...


12
Richard E Eastman, Robert J Wilson, David Sperduti, Randy W Adler: Two-speed transfer case with electronic torque modulation. New Venture Gear, Harness Dickey & Pierce, July 19, 1994: US05330030 (29 worldwide citation)

The present invention provides a power transfer system for a four-wheel drive vehicle which permits the vehicle operator to choose between operation in conventional two-wheel drive and four-wheel drive modes or an "on-demand" four-wheel drive mode. The power transfer system is operable for disabling ...


13
Randolph C Williams, James S Brissenden, David Sperduti, Randy W Adler, Richard J Newer: Part-time on-demand transfer case and method. New Venture Gear, Harness Dickey & Pierce, June 1, 1993: US05215160 (27 worldwide citation)

The present invention provides a motor vehicle traction control system for providing on-demand four-wheel drive under certain tractive and operational conditions. The present invention is operable for disabling the on-demand four-wheel drive feature upon the vehicle operator subsequently shifting in ...


14
Sanjeev K Varma, Randolph C Williams, David Sperduti, Robert J Wilson, Edward J Reagan: Full-time four wheel drive transfer case. New Venture Gear, Harness Dickey & Pierce, December 10, 1996: US05582263 (22 worldwide citation)

The present invention is directed to a power transfer system of the type having a transfer case incorporated into the driveline of a full-time four-wheel drive vehicle. The transfer case includes an inter-axle differential for normally delivering drive torque to all four wheels so as to establish a ...


15
David Sperduti, Robert J Wilson, Richard E Eastman, Randy W Adler, Sankar K Mohan: Linear actuation mechanism for electronically-controlled torque modulated transfer case. New Venture Gear, Harness Dickey & Pierce, July 26, 1994: US05332060 (20 worldwide citation)

The present invention is directed to an improved "on-demand" power transfer system of the type having a transfer mechanism incorporated into the driveline of a four-wheel drive vehicle. The transfer mechanism is arranged to deliver drive torque to the driven wheels so as to establish a two-wheel dri ...


16
David Sperduti, Randolph C Williams, James S Brissenden, Randy W Adler: Part-time transfer case with traction control. New Venture Gear, Harness Dickey & Pierce, January 4, 1994: US05275253 (20 worldwide citation)

The present invention provides a motor vehicle traction control system for providing on-demand four-wheel drive under certain tractive and operational conditions. The present invention is operable for disabling the on-demand four-wheel drive feature upon the vehicle operator subsequently shifting in ...


17
Robert J Wilson, David Sperduti: Full-time transfer case with synchronized dual planetary gear reduction unit. New Venture Gear, Harness Dickey & Pierce, February 24, 1998: US05720688 (18 worldwide citation)

A power transfer system is disclosed for a four-wheel drive vehicle operable for permitting a vehicle operator to select between various full-time and part-time four-wheel drive modes. The power transfer system includes a transfer case equipped with a dual-planetary gear reduction unit and a synchro ...


18
David Sperduti, Randolph C Williams, James S Brissenden, Randy W Adler: Part-time transfer case with traction control. New Venture Gear, Harness Dickey & Pierce, January 4, 1994: US05275252 (18 worldwide citation)

The present invention provides a motor vehicle traction control system for providing on-demand four-wheel drive under certain tractive and operational conditions. The traction control system permits the vehicle operator to choose between operation in the conventional two-wheel drive and four-wheel d ...


19
Timothy R Fitch, Garrison Gomez, William H Havens, Melvin D McCall, James F O Donnell, George S Smith, David Sperduti: Transaction terminal. Hand Held Products, Marjama Muldoon Blasiak & Sullivan, January 6, 2009: US07472825 (15 worldwide citation)

A transaction terminal including a motherboard and a display coupled to the motherboard. The transaction terminal further includes a removable data carrier reader coupled to the motherboard and an optical reader coupled to the motherboard, the optical reader having a field of view. The transaction t ...


20
David Sperduti, Randy W Adler, Victor L Brezee: Hydraulically-actuated shift system for a transfer case. New Venture Gear, Harness Dickey & Pierce, January 3, 1995: US05377800 (15 worldwide citation)

The present invention provides a hydraulically-actuated shift system that is operable for shifting a mechanical shift apparatus of a power transfer device between first and second operative positions. The hydraulically-actuated shift system includes a hydraulic circuit for providing a source of hydr ...