Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2007-11-20
2007-11-20
Hofsass, Jeffery (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S612000, C340S618000
Reexamination Certificate
active
11199983
ABSTRACT:
A system for monitoring a level of product in a tank to detect one of a delivery and a drain operation is provided. The system comprises a monitor and a data center. The monitor is operably coupled to the tank and adapted to detect the level of product in the tank at a first rate and at a second rate. The data center is in communication with the monitor and adapted to receive a user inputtable threshold level of change. The monitor detects the level of product in the tank at the first rate until the threshold level of change is detected. Thereafter, the monitor detects the level of product in the tank at the second rate. The data center generates an alarm signal to indicate that one of the delivery and the drain has occurred.
REFERENCES:
patent: 4313114 (1982-01-01), Lee et al.
patent: 4353245 (1982-10-01), Nicolai
patent: 4788648 (1988-11-01), Ferretti et al.
patent: 5400010 (1995-03-01), Lechevalier
patent: 5463595 (1995-10-01), Rodhall et al.
patent: 5708404 (1998-01-01), Kurisu et al.
patent: 5708424 (1998-01-01), Orlando et al.
patent: 6064311 (2000-05-01), Ferenczi et al.
patent: 6822565 (2004-11-01), Thomas et al.
patent: 6922144 (2005-07-01), Bulin et al.
patent: 6925855 (2005-08-01), De Ronne et al.
patent: 6985071 (2006-01-01), Tanaka
patent: 7002481 (2006-02-01), Crane et al.
patent: 2004/0027248 (2004-02-01), Lile
patent: 2004/0140909 (2004-07-01), Meadows et al.
patent: 2005/0083197 (2005-04-01), Glenn et al.
patent: 2006/0033618 (2006-02-01), Miller
Veeder-Root Company, TLS-350R Monitoring Systems, brochure, copyright 2002, 4 pages.
Evans, II John O'Brien
Miller Wojtek
Hofsass Jeffery
Lau Hoi C.
Reinhart Boerner Van Deuren P.C.
Robertshaw Controls Company
LandOfFree
Automatic delivery/drain detection using a level monitoring... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Automatic delivery/drain detection using a level monitoring..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Automatic delivery/drain detection using a level monitoring... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3825151