Residual life indicating system

Details Residual life indicating system Residual life indicating system

2007-04-10

2007-04-10

Williams, Hezron (Department: 2856)

Measuring and testing

Gas analysis

Ambient air

C073S031030

Reexamination Certificate

active

11065417

ABSTRACT:
A residual life indicating system for a filter includes a main filter, a sampling filter, and a sensor. Both the main filter and the sampling filter receive an ambient gas meant to be filtered. The sensor connects to the sampling filter and senses the presence of a predetermined chemical in the gas that has been filtered by the sampling filter.

REFERENCES:
patent: 4135896 (1979-01-01), Parish et al.
patent: 4828589 (1989-05-01), Bauer et al.
patent: 5036698 (1991-08-01), Conti
patent: 5089144 (1992-02-01), Ozkahyaoglu et al.
patent: 5150604 (1992-09-01), Succi et al.
patent: 5334237 (1994-08-01), Lorimer
patent: 5992216 (1999-11-01), Wang et al.
patent: 6287023 (2001-09-01), Yaegashi et al.
patent: 6379407 (2002-04-01), Blackwell et al.
patent: 2002/0112605 (2002-08-01), Motouji et al.
Microsensors, Micro Analytical: Preconcentrator (Stage One), www.sandia.gov/mstc/technologies/microanalytical/preconcentrator.html Feb. 26, 2004 (1 page).
Microsystems Products, Micro Explosives Detector Review, www.sandia.gov/mstc/products/usystemsprod/index.html Feb. 24, 2005 (4 pages).

Affiliated with

Also associated with

Rating

Residual life indicating system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Residual life indicating system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Residual life indicating system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3792003