Patent
   D457083
Priority
Mar 31 2001
Filed
Mar 31 2001
Issued
May 14 2002
Expiry
May 14 2016
Assg.orig
Entity
unknown
2
3
n/a
The ornamental design for a low flow rotameter, as shown and described.

FIG. 1 is a perspective view of a low flow rotameter showing my new design;

FIG. 2 is cross-section view of FIG. 1 thereof,

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view, bottom plan being a mirrored image thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

Christiansen, Tom

Patent Priority Assignee Title
6935190, Apr 23 2002 Massachusetts Institute of Technology Flow rate measurement apparatus
D602793, Aug 25 2008 Taiyo Electric Ind. Co., Ltd. Flowmeter
Patent Priority Assignee Title
4102187, Aug 25 1977 Phillips Petroleum Company Fluid flow meter
4523480, Feb 05 1981 Inoue-Japax Research Incorporated Mass flow rotameter
5911219, Apr 18 1997 Therapeutic gas flow meter and monitor
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