Gas separation – Combined or convertible
Reexamination Certificate
2006-03-21
2006-03-21
Pham, Minh-Chau T. (Department: 1724)
Gas separation
Combined or convertible
C096S422000, C096S377000, C096S420000, C096S421000, C219S201000, C219S388000, C219S522000, C219S526000, C228S019000, C228S042000
Reexamination Certificate
active
07014673
ABSTRACT:
A filtering apparatus for a reflow oven includes a contaminated-gas inlet for receiving contaminated gas from a reflow oven; a filtering device configured to filter the received contaminated gas; a returned gas outlet for returning filtered gas to the reflow oven; a gas removal arrangement for allowing gas to escape from the apparatus; and a control arrangement for controlling the rate of gas flow through the gas removal arrangement such that in use the flow rate of contaminated gas flowing from a hotter region of the reflow oven to a cooler region of the reflow oven is controlled.
REFERENCES:
patent: 4348174 (1982-09-01), Spigarelli
patent: 4971026 (1990-11-01), Fineblum
patent: 5481087 (1996-01-01), Willemen
patent: 5579981 (1996-12-01), Matsumura et al.
patent: 5611476 (1997-03-01), Soderlund et al.
patent: 5641341 (1997-06-01), Heller et al.
patent: 5855646 (1999-01-01), Verini
patent: 5911486 (1999-06-01), Doe et al.
patent: 5993500 (1999-11-01), Bailey et al.
patent: 6120585 (2000-09-01), Inomata et al.
patent: 6146448 (2000-11-01), Shaw et al.
patent: 6576030 (2003-06-01), Mullins
patent: 6808554 (2004-10-01), Mullins
patent: 0 999 007 (2000-10-01), None
patent: 10022305 (1998-01-01), None
patent: 10057089 (1998-03-01), None
patent: WO 99/20425 (1999-04-01), None
BTU International Inc.
Pham Minh-Chau T.
Weingarten Schurgin, Gagnebin & Lebovici LLP
LandOfFree
Filtering apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Filtering apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Filtering apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3575899