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Patent No. 6260903

Portable automobile partition

A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.

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Class 73/274 - Diaphragm meter type


Subclass of Class 73 - Measuring and testing
Definition: Meter casing structures limited to use with diaphragm meters.
No. of patents: 3
Last issue date: 01/14/1997


NumberTitleIssue Date
5594167Gas meter having cam for reciprocating valve covers and related methods
A gas meter includes a cam for driving first and second valve covers associated with respective diaphragms. Gas flowing into the gas meter is selectively directed by the first and second valve covers to reciprocate respective diaphragms. First and second ...
01/14/1997
4779459Gas meter including a synthetic membrane
A gas meter includes a housing made of thermoplastic material having an inside wall defining two measuring chambers and a deformable membrane disposed between the two measuring chambers. The deformable membrane is formed from a film of thermoplastic elast...
10/25/1988
4406163Positive displacement volumetric compressible fluid meter
To measure low volumes of gas flow in high-pressure systems a conventional gas meter is incorporated within a high-pressure container. Connections from inside the high-pressure container are connected to a warning system outside the container to alert the...
09/27/1983
 
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