Filter
Latest Nellcor Puritan Bennett Incorporated Patents:
Description
FIG. 1 is an isometric view of a filter, showing our new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a right side view, the left side being a mirror image thereof;
FIG. 5 is a front view, the rear view being a mirror image thereof;
FIG. 6 is an exploded view of the filter showing the upper and lower filter elements removed from the filter housing;
FIG. 7 is a bottom plan view with the bottom filter removed;
FIG. 8 is a longitudinal cross-sectional view taken along line 8--8 of FIG. 2; and,
FIG. 9 is a longitudinal cross-sectional view of a second embodiment of the filter taken along line 9--9 of FIG. 2, showing a pair of filter elements, with all other sides being identical to that shown in FIGS. 1-6.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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2552847 | May 1951 | Farr et al. |
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4637877 | January 20, 1987 | Hartmann et al. |
4881313 | November 21, 1989 | Artinyan et al. |
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Patent History
Patent number: D389243
Type: Grant
Filed: Dec 19, 1995
Date of Patent: Jan 13, 1998
Assignee: Nellcor Puritan Bennett Incorporated (St. Charles, MO)
Inventors: Gregory R. Miller (St. Louis, MO), Kyle Adriance (St. Charles, MO), Stanley Philipak (St. Charles, MO)
Primary Examiner: Stella Reid
Attorney: Paul M. Denk
Application Number: 0/48,059
Type: Grant
Filed: Dec 19, 1995
Date of Patent: Jan 13, 1998
Assignee: Nellcor Puritan Bennett Incorporated (St. Charles, MO)
Inventors: Gregory R. Miller (St. Louis, MO), Kyle Adriance (St. Charles, MO), Stanley Philipak (St. Charles, MO)
Primary Examiner: Stella Reid
Attorney: Paul M. Denk
Application Number: 0/48,059
Classifications