US Patent No: 4,659,434

Number of patents in Portfolio can not be more than 2000

Gas sensor

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ATTORNEY / AGENT: (SPONSORED)
 

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Abstract

Gas detection electrochemical cell featuring, in one aspect, a liquid electrolyte free of any salt capable of dissociating to form in said electrolyte a weak acid or weak base (other than H.sub.3 O.sup.+ or OH.sup.-) which forms upon dissociation of the gas being measured.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HNU SYSTEMS, INC.NEWTON, MA9

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Atwood, Edwards S Natick, MA 7 22
Driscoll, John N Wellesley, MA 9 32

Cited Art

Patent Info (Count) # Cites Year
 
CITY TECHNOLOGY LIMITED THE CITY UNIVERSITY (1)
4,474,648 Gas sensor 20 1981
 
TGC RESEARCH LIMITED (1)
4,197,853 PO.sub.2 /PCO.sub.2 sensor 46 1978

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
DRAGER SAFETY AG & CO. KGAA (1)
6,579,433 Electrochemical measuring cell for detecting hydrocyanic acid 0 2001
 
NOVA BIOMEDICAL CORPORATION (1)
6,689,272 Acetate detecting sensor 1 2001