Measuring and testing – Gas analysis
Reexamination Certificate
2008-07-08
2008-07-08
Larkin, Daniel S (Department: 2856)
Measuring and testing
Gas analysis
C073S031050, C422S094000
Reexamination Certificate
active
07395692
ABSTRACT:
A portable, preferably explosion-proof gas meter is improved in respect to shock loads and has a cylindrical measuring cell (5) and an evaluating circuit on a printed circuit board (6). The measuring cell (5) is connected to the printed circuit board (6) and is mounted in the housing in a shock-absorbing manner in the radial and longitudinal directions and is in gas flow connection with the environment through openings (40) in the housing.
REFERENCES:
patent: 4517161 (1985-05-01), Gravina et al.
patent: 6202472 (2001-03-01), Wezurek et al.
patent: 6728643 (2004-04-01), Hackenberg et al.
patent: 6998991 (2006-02-01), Goldstein et al.
patent: 2006/0032745 (2006-02-01), Davies et al.
patent: 7 35717 (1995-02-01), None
Dräger Safety AG & Co. KGaA
Larkin Daniel S
McGlew & Tuttle P.C.
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