Edward J Prokopik

US Patent:

6594565, Jul 15, 2003

Filed:

Jul 16, 2001

Appl. No.:

09/904834

Inventors:

Gregory E. Schafer - Colfax CA
Edward J. Prokopik - Colfax CA

Assignee:

Intermotive, Inc. - Auburn CA

International Classification:

B65G 6702

US Classification:

701 36, 701 45

Abstract:

A microprocessor controlled system for ensuring the safe operation of an auxiliary device, such as a wheelchair lift used in conjunction with a vehicle. The microprocessor preferably allows operation of the lift device when one or more parameters are met. These parameters include the following: the vehicle is in park, the parking brake is engaged, the vehicle ignition is on, the lift power switch is on, and the lift door is open. The present invention further does not allow the vehicle to shifted out of park if the lift door is open and/or when the parking brake is on.

US Patent:

7274980, Sep 25, 2007

Filed:

Jan 24, 2005

Appl. No.:

11/042576

Inventors:

Gregory E. Schafer - Colfax CA, US
Edward J. Prokopik - Colfax CA, US

Assignee:

Intermotive, Inc. - Colfax CA

International Classification:

A61G 3/00
A61G 3/06
B60P 1/44

US Classification:

701 36, 701 45

Abstract:

A microprocessor controlled system for ensuring the safe operation of an auxiliary device, such as a wheelchair lift used in conjunction with a vehicle. The microprocessor preferably allows operation of the lift device when one or more parameters are met. These parameters include the following: the vehicle is in “park”, the parking brake is engaged, the vehicle ignition is “on”, the lift power switch is “on”, and the lift door is open. The present invention does not allow the vehicle to be shifted out of park if the lift door is open and/or when the parking brake is “on”.

US Patent:

20040098182, May 20, 2004

Filed:

Jul 3, 2003

Appl. No.:

10/613336

Inventors:

Gregory Schafer - Colfax CA, US
Edward Prokopik - Colfax CA, US

International Classification:

G06F019/00

US Classification:

701/051000, 701/050000

Abstract:

A microprocessor controlled system for ensuring the safe operation of an auxiliary device, such as a wheelchair lift used in conjunction with a vehicle. The microprocessor preferably allows operation of the lift device when one or more parameters are met. These parameters include the following: the vehicle is in park, the parking brake is engaged, the vehicle ignition is on, the lift power switch is on, and the lift door is open. The present invention further does not allow the vehicle to shifted out of park if the lift door is open and/or when the parking brake is on.