Pumps – Motor driven – Pump within rotary working member
Reexamination Certificate
2007-06-05
2007-06-05
Nguyen, Hoang (Department: 3748)
Pumps
Motor driven
Pump within rotary working member
C417S423100, C415S072000
Reexamination Certificate
active
11017797
ABSTRACT:
A pump for moving a liquid including stator and a permanent magnet rotor which rotates to move at least one a helical pumping member.
REFERENCES:
patent: 2225338 (1940-12-01), Geiss
patent: 2500400 (1950-03-01), Cogswell
patent: 2953993 (1960-09-01), Strickland et al.
patent: 3220350 (1965-11-01), White
patent: 3288073 (1966-11-01), Pezzillo
patent: 3373690 (1968-03-01), Unger
patent: 3413925 (1968-12-01), Campolong
patent: 3697190 (1972-10-01), Haentjens
patent: 3972653 (1976-08-01), Travis et al.
patent: 3986551 (1976-10-01), Kilpatrick
patent: 4157232 (1979-06-01), Bobo et al.
patent: 4311431 (1982-01-01), Barbeau
patent: 4408966 (1983-10-01), Maruyama
patent: 4415308 (1983-11-01), Maruyama et al.
patent: 4470752 (1984-09-01), Teruo et al.
patent: 4522557 (1985-06-01), Bouiller et al.
patent: 4551064 (1985-11-01), Pask
patent: 5049134 (1991-09-01), Golding et al.
patent: 5088899 (1992-02-01), Blecker et al.
patent: 5127793 (1992-07-01), Walker et al.
patent: 5169287 (1992-12-01), Proctor et al.
patent: 5505594 (1996-04-01), Sheehan
patent: 5584651 (1996-12-01), Pietraszkiewicz et al.
patent: 5593277 (1997-01-01), Proctor et al.
patent: 5692882 (1997-12-01), Bozeman, Jr. et al.
patent: 5993150 (1999-11-01), Liotta et al.
patent: 6450785 (2000-01-01), Dellby et al.
patent: 6068454 (2000-05-01), Gaston et al.
patent: 6139257 (2000-10-01), Proctor et al.
patent: 6196792 (2001-03-01), Lee et al.
patent: 6231303 (2001-05-01), Tiemann et al.
patent: 6368075 (2002-04-01), Fremerey
patent: 6685425 (2004-02-01), Poccia et al.
patent: 6692225 (2004-02-01), Lin
patent: 2004/0241019 (2004-12-01), Goldowsky
Nguyen Hoang
Ogilvy Renault LLP
Pratt & Whitney Canada Corp.
LandOfFree
Pump and method does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pump and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pump and method will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3844159