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Patent No. 5719655

System for magnetically attaching templeless eyewear to a person

A system of eyewear that eliminates the need for hinges on the frames of the eyewear.

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Assignee: Micropump Corporation


Location: Vancouver, WA
No. of patents: 6

NumberTitleIssue Date
6033193Single seal gear pump
A gear pump is disclosed. The gear pump has a pump body with an inlet, a discharge and an interior side to the body. The gear pump also has a cavity plate having a gear cavity formed therein facing and abutting the interior side of the pump body. A drive ...
03/07/2000
5704767Integral pump and flow meter device
A pump housing is provided with a conduit extending through the housing between a pump inlet and pump outlet. A pump device is disposed within the housing and in communication with the conduit to pump fluid therethrough. A fluid flow meter also is dispose...
01/06/1998
5466131Multiple-chamber gear pump with hydraulically connected chambers
Pump heads comprising at least two gear-pump chambers are disclosed. Each chamber comprises a housing which defines a corresponding pump cavity. Each cavity contains a driving gear and at least one driven gear and has a separate inlet and outlet. The pump...
11/14/1995
5413566Line clamp
A clamp for occluding a flexible tube comprising a permanent magnet rotary actuator coupled to a rotatable cam. A spring-biasing mechanism is provided to counteract the rotation of the rotary actuator and to return the rotatable cam to a pre-determined po...
05/09/1995
5303559Method and apparatus for refrigerant recovery
Refrigerant is recovered using a single pump unit, regardless of the refrigerant's phase. This is achieved by sensing the phase of the refrigerant and changing the pump's operation accordingly. The refrigerant phase can be sensed by a temperature-responsi...
04/19/1994
5235821Method and apparatus for refrigerant recovery
Refrigerant is recovered using a single pump unit, regardless of the refrigerant's phase. This is achieved by sensing the phase of the refrigerant and changing the pump's operation accordingly. The refrigerant phase can be sensed by a temperature-responsi...
08/17/1993
 
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