Measuring and testing – Volume or rate of flow – By measuring thrust or drag forces
Reexamination Certificate
2006-04-11
2006-04-11
Lefkowitz, Edward (Department: 2855)
Measuring and testing
Volume or rate of flow
By measuring thrust or drag forces
Reexamination Certificate
active
07024945
ABSTRACT:
A flow sensing apparatus for detecting fluid flow rate and direction is described. The flow sensing apparatus includes a flow-responsive element projecting into the fluid flow path, and a position sensor which detects the degree and direction of any change in position of the flow responsive element in response to the fluid flow.
REFERENCES:
patent: 3636767 (1972-01-01), Duffy
patent: 4141355 (1979-02-01), Apple
patent: 4173975 (1979-11-01), DeLong et al.
patent: 4181020 (1980-01-01), Herzl
patent: 4307619 (1981-12-01), Herzl
patent: 4397195 (1983-08-01), Hayward
patent: 4428242 (1984-01-01), Holstrom
patent: 4509551 (1985-04-01), Luper
patent: 4546793 (1985-10-01), Stupecky
patent: 4557674 (1985-12-01), Arnett, Jr.
patent: 4726366 (1988-02-01), Apple et al.
patent: 4745925 (1988-05-01), Dietz
patent: 4773375 (1988-09-01), Okino et al.
patent: 4777833 (1988-10-01), Carpenter
patent: 4790195 (1988-12-01), Feller
patent: 4860764 (1989-08-01), Hudimac, Jr.
patent: 4860765 (1989-08-01), Hudimac, Jr.
patent: 4862898 (1989-09-01), Hudimac, Jr.
patent: 4957107 (1990-09-01), Sipin
patent: 5021619 (1991-06-01), Hutchinson
patent: 5182952 (1993-02-01), Pyzik
patent: 5195845 (1993-03-01), Parks
patent: 5259373 (1993-11-01), Gruenke et al.
patent: 5372544 (1994-12-01), Gervais
patent: 5469750 (1995-11-01), Lloyd
patent: 5557185 (1996-09-01), Jacobsen
patent: 5558086 (1996-09-01), Smith
patent: 5663508 (1997-09-01), Sparks
patent: 5685697 (1997-11-01), Buchanan, Jr. et al.
patent: 5767419 (1998-06-01), Hutchinson
patent: 5895866 (1999-04-01), Neukermans et al.
patent: 5913307 (1999-06-01), Taieb et al.
patent: 5945608 (1999-08-01), Hutchinson
patent: 6119686 (2000-09-01), Somerson et al.
patent: 6119723 (2000-09-01), Kenyon
patent: 6129113 (2000-10-01), Van Becelaere
patent: 6212958 (2001-04-01), Conley
patent: 6557574 (2003-05-01), Federspiel
patent: 6681645 (2004-01-01), Feller
Compumedics Limited
Fulbright & Jaworski L.L.P.
Lefkowitz Edward
Thompson Jewel V.
LandOfFree
Flow sensing 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 Flow sensing apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Flow sensing apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3553800