Measuring and testing – Volume or rate of flow – Mass flow by imparting angular or transverse momentum to the...
Reexamination Certificate
2005-12-05
2008-10-21
Patel, Harshad (Department: 2855)
Measuring and testing
Volume or rate of flow
Mass flow by imparting angular or transverse momentum to the...
Reexamination Certificate
active
07437950
ABSTRACT:
A start tube section (27) of a first bent tube (31) has a first parallel subsection (27a) substantially parallel to a start tube section (28) of a second bent tube (32) or to a continuous section (35) between a return tube section (29) of the first bent tube (31) and the start tube section (28) of the second bent tube (32), a first bent subsection (27b) continuous with the first parallel subsection (27a), and a first start tube section body subsection (27c) extending gradually away from the start tube section (28) of the second bent tube (32) due to presence of the first bent subsection (27b). A return tube section (30) of the second bent tube section (32) has a second parallel subsection (30a) substantially parallel to the return tube section (29) of the first bent tube (31) or to the continuous section (35), a second bent subsection (30b) continuous with the second parallel subsection (30a), and a second return tube section body subsection (30c) extending gradually away from the return tube section (29) of the first bent tube (31) due to presence of the second bent subsection (30b).
REFERENCES:
patent: 4730501 (1988-03-01), Levien
patent: 5337616 (1994-08-01), Lew
patent: 2007/0163363 (2007-07-01), Kitami et al.
patent: 2008/0047360 (2008-02-01), Kitami et al.
patent: 4-157328 (1992-05-01), None
patent: 11-211529 (1999-08-01), None
Oval Corporation
Patel Harshad
Wenderoth , Lind & Ponack, L.L.P.
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