Matches 1 - 11 out of 11
Match Document Document Title
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...
D566594 Foldable gas detector  
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...
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...
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...
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...
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...
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...
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...
D494879 Gas detector  
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...
Matches 1 - 11 out of 11