Filtering apparatus, back wash method therefor, filtering...

Details Filtering apparatus, back wash method therefor, filtering... Filtering apparatus, back wash method therefor, filtering...

2007-12-18

2007-12-18

Prince, Fred G. (Department: 1724)

Liquid purification or separation

With heater or heat exchanger

Flow line connected in series with distinct separator

C210S184000, C210S411000, C210S416100, C210S435000, C210S500230

Reexamination Certificate

active

11183173

ABSTRACT:
A filtering apparatus having a vessel and a filter made from fluororesin and treated before filtering operation by at least one of adding thermal treatment in gas or liquid and penetrating with fluid composed of hot water or steam at a temperature of less than melting point of the fluororesin.

REFERENCES:
patent: 3969285 (1976-07-01), Grot
patent: 4399035 (1983-08-01), Nohmi et al.
patent: 4681605 (1987-07-01), Gollan
patent: 4732586 (1988-03-01), Dick et al.
patent: 4810384 (1989-03-01), Fabre
patent: 5110478 (1992-05-01), Haag et al.
patent: 5152894 (1992-10-01), Haubs et al.
patent: 5240610 (1993-08-01), Tani et al.
patent: 5244578 (1993-09-01), Ohnishi et al.
patent: 5279856 (1994-01-01), Koyama et al.
patent: 5403483 (1995-04-01), Hayashida et al.
patent: 5965027 (1999-10-01), Allen et al.
patent: 5976380 (1999-11-01), Moya
patent: 6077435 (2000-06-01), Beck et al.
patent: 6321915 (2001-11-01), Wilson et al.
patent: 6354443 (2002-03-01), Moya
patent: 6402951 (2002-06-01), Wilson et al.
patent: 1042314 (1990-05-01), None
patent: 0 598 908 (1994-06-01), None
patent: 0 862 022 (1998-09-01), None
patent: 2093373 (1972-01-01), None
patent: 44-005526 (1944-03-01), None
patent: 56-040602 (1981-09-01), None
patent: 58-051906 (1983-03-01), None
patent: 60-061018 (1985-04-01), None
patent: 60-209205 (1985-10-01), None
patent: 62-160109 (1987-07-01), None
patent: 04-187224 (1992-07-01), None
patent: 05-057153 (1993-03-01), None
patent: 06-106034 (1994-04-01), None
patent: 10-192605 (1998-07-01), None
patent: 10-192853 (1998-07-01), None
patent: 10-339793 (1998-12-01), None
patent: 11-042424 (1999-02-01), None
patent: 2993217 (1999-10-01), None
patent: 2000-084377 (2000-03-01), None
patent: 2000-140531 (2000-05-01), None
patent: 2000-185222 (2000-07-01), None

Affiliated with

Also associated with

Rating

Filtering apparatus, back wash method therefor, filtering... 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, back wash method therefor, filtering..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Filtering apparatus, back wash method therefor, filtering... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3832840