Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2006-01-27
2009-02-17
Hofsass, Jeffery (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S603000, C340S612000, C340S619000, C073S29000R
Reexamination Certificate
active
07492272
ABSTRACT:
A high liquid alarm system for use in detecting the presence of water and oil in water present in a confined space is disclosed. In one implementation, the system includes an optical sensor capable of detecting water at a certain level, a sensing device capable of differentiating oil and water, and an alarm indicator. The sensors are in communication with an indicator which is capable of providing alert signals. The optical sensor is configured to activate a second alarm in the indicator when water is detected at about a predetermined level and the sensing device is configured to trigger a first alarm when oil in water is detected at about the predetermined level. The sensors can also be interconnected such that the sensing device is activated upon detection of water by the optical sensor, reducing the power consumption of the system.
REFERENCES:
patent: 4131773 (1978-12-01), Maham et al.
patent: 4320394 (1982-03-01), John, Jr.
patent: 4586033 (1986-04-01), Andrejasich
patent: 4663614 (1987-05-01), Rauchwerger
patent: 4682156 (1987-07-01), Wainwright
patent: 4728941 (1988-03-01), Andrejasich
patent: 4800372 (1989-01-01), Poteet
patent: 4804936 (1989-02-01), Sale
patent: 4818976 (1989-04-01), Schmitt et al.
patent: 4827246 (1989-05-01), Dolan et al.
patent: 4989452 (1991-02-01), Toon et al.
patent: 5005005 (1991-04-01), Brossia et al.
patent: 5264368 (1993-11-01), Clarke et al.
patent: 5287086 (1994-02-01), Gibb
patent: 5305779 (1994-04-01), Izaguirre
patent: 5463378 (1995-10-01), Gibb
patent: 5507178 (1996-04-01), Dam
patent: 5550532 (1996-08-01), Marshall
patent: 5628350 (1997-05-01), Gibb
patent: 5802910 (1998-09-01), Krahn et al.
patent: 5856783 (1999-01-01), Gibb
patent: 6203281 (2001-03-01), Gurega
patent: 6414598 (2002-07-01), Freill et al.
patent: 6476723 (2002-11-01), Campbell et al.
patent: 6885306 (2005-04-01), Holzman et al.
patent: 7199388 (2007-04-01), Omatoi
patent: 2004/0036618 (2004-02-01), Ku et al.
patent: 2292901 (2001-06-01), None
patent: 55151240 (1980-11-01), None
SeeWater Inc. Oil Smart Alarm System Installation Instructions.
Gemssensors Catalogue, p. A-25.
Product Specification of Well S100K7126 Oil Sensor.
Hofsass Jeffery
Knobbe Martens Olson & Bear LLP
McNally Kerri L
SEEwater, Inc.
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