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RE40238 |
Personal hydrogen sulfide gas alarm system
A person-carried hydrogen sulfide instrument is adapted for use with a conventional SCADA system or other type of fault monitoring system normally intended for monitoring well-related conditions at...
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D566594 |
Foldable gas detector
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7232511 |
Multi-gas/vapor electrochemical sensor for the detection and monitoring of chemical and biological agents
A silicon substrate device is formed to include circuitry for testing for various agents of interest. The novel solid state miniaturized microprocessor based electro-chemical sensor device includes...
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7178381 |
Portable gas detector
The invention provides a portable gas detector which is equipped with filters for removal of interfering gases, high in convenience for use, easy to exchange the filters, and easy to confirm the...
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7089779 |
Portable gas detector
The invention provides a portable gas detector of a novel structure that is easy to be fabricated as a small-sized one handy to carry and high in convenience for use. The portable gas detector has...
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7086283 |
Explosion-proof portable gas detector
The invention provides an explosion-proof portable gas detector that is easy to be fabricated as a small-sized one handy to carry and high in convenience for use, and has explosion-proofness...
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7051573 |
Gas sensor chamber and odor detection method
The invention relates to a chamber ( 2 ) for gas sensors ( 9 ) to be used in a device ( 1 ) for detecting aromas or odors. The chamber ( 2 ) comprises three portions ( 5, 6, 7 ) in which there is a...
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6987459 |
Portable combustible gas detector
A portable detector of combustible or explosive gases incorporates a polymeric-type sensor or sensor array coupled to a programmed processor which carries out an evaluation of one or more signals...
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6856253 |
Personal hydrogen sulfide gas alarm system
A person-carried hydrogen sulfide instrument is adapted for use with a conventional SCADA system or other type of fault monitoring system normally intended for monitoring well-related conditions at...
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D494879 |
Gas detector
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6744373 |
Portable gas alarm device
Disclosed is a portable gas alarm device easy to be fabricated as a small-sized one handy to carry and high in convenience for use. The portable gas alarm device comprises a gas alarm device body...
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