Security and tracking system to prevent the unauthorized use...

Communications: electrical – Condition responsive indicating system – With particular coupling link

Reexamination Certificate

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Details

C340S541000, C340S565000, C340S426100, C340S426110, C280S124158

Reexamination Certificate

active

07825798

ABSTRACT:
A security and tracking system to prevent the unauthorized use or access to machinery having hydraulic components whereby the system has a rerouting device housed in a tamperproof casing. The rerouting device might have a selective re-directional valve that can be remotely activated and monitored using wireless signal technology to direct hydraulic fluid to at least two hydraulic circuits, a control center that communicates via wireless signal technology to the rerouting device, a first hydraulic circuit that has a source of fluid, a fluid pumping means, the rerouting device, and a power take off device (PTO) and a second hydraulic circuit that has the source of fluid, the fluid pumping means, and the rerouting device. In operation the rerouting device selectively routs hydraulic fluid about the hydraulic circuit that includes the PTO, thereby rendering the hydraulic equipment functionally operable until the hydraulic fluid is rerouted to the second hydraulic circuit.

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patent: 6691435 (2004-02-01), Schultz et al.
patent: 6782644 (2004-08-01), Fujishima et al.
patent: 7002465 (2006-02-01), Komatsu
patent: 7005997 (2006-02-01), Wiewiura
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patent: 2004/0036583 (2004-02-01), Kajita et al.
patent: 2005/0016168 (2005-01-01), Singh
patent: 2005/0204587 (2005-09-01), Kime

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