Assignee
CITY TECH
GB·27 granted patents·1 pending application·742 citations·filing 1977–2006
Top patents by PatentIndex Score
28 records- 0191US4132616AGas sensorCITY TECH·Filed 1977·Granted Jan 2, 1979·85 cites·12 claims
- 0289US4587003AGas sensorCITY TECH·Filed 1984·Granted May 6, 1986·65 cites·15 claims
- 0387US4474648AGas sensorCITY TECH·Filed 1981·Granted Oct 2, 1984·57 cites·12 claims
- 0486US4633704AGas sensorCITY TECH·Filed 1986·Granted Jan 6, 1987·66 cites·3 claims
- 0585US7279080B2Gas sensorsCITY TECH·Filed 2001·Granted Oct 9, 2007·28 cites·30 claims
- 0684US4324632AGas sensorCITY TECH·Filed 1980·Granted Apr 13, 1982·47 cites·9 claims
- 0780US7282168B2Gas sensor assembly and methodCITY TECH·Filed 2001·Granted Oct 16, 2007·28 cites·26 claims
- 0880US7236095B2Solid state sensor for carbon monoxideCITY TECH·Filed 2003·Granted Jun 26, 2007·17 cites·15 claims
- 0979US7575717B2Assay device for evaluating entrainable substancesCITY TECH·Filed 2002·Granted Aug 18, 2009·23 cites·23 claims
- 1078US7534333B2Electrochemical gas sensorCITY TECH·Filed 2005·Granted May 19, 2009·12 cites·35 claims
- 1176US5668302AElectrochemical gas sensor assemblyCITY TECH·Filed 1996·Granted Sep 16, 1997·59 cites·6 claims
- 1275US7541587B2Gas sensorCITY TECH·Filed 2004·Granted Jun 2, 2009·24 cites·46 claims
- 1371US6993955B1Gas sensorsCITY TECH·Filed 2000·Granted Feb 7, 2006·10 cites·13 claims
- 1468US5395501AGas generating apparatusCITY TECH·Filed 1994·Granted Mar 7, 1995·35 cites·9 claims
- 1564US4829809AGas calibration method and apparatusCITY TECH·Filed 1987·Granted May 16, 1989·28 cites·14 claims
- 1663US5234567AGas sensorCITY TECH·Filed 1992·Granted Aug 10, 1993·26 cites·8 claims
- 1762US7010957B2Gas sensors with improved resistance to humidity interferenceCITY TECH·Filed 2001·Granted Mar 14, 2006·4 cites·11 claims
- 1861US5601693AGas sensorCITY TECH·Filed 1995·Granted Feb 11, 1997·31 cites·17 claims
- 1959US7195922B1Allergen detectionCITY TECH·Filed 2000·Granted Mar 27, 2007·3 cites·20 claims
- 2056US4815316ADiffusion measurementCITY TECH·Filed 1987·Granted Mar 28, 1989·17 cites·10 claims
- 2155US6395230B1PellistorCITY TECH·Filed 1999·Granted May 28, 2002·13 cites·14 claims
- 2253US5070721AFlammable gas detectionCITY TECH·Filed 1990·Granted Dec 10, 1991·17 cites·11 claims
- 2351US5746899AElectrochemical gas sensorCITY TECH·Filed 1996·Granted May 5, 1998·18 cites·14 claims
- 2446US5761952AElectrochemical gas sensorCITY TECH·Filed 1996·Granted Jun 9, 1998·14 cites·8 claims
- 2544USD494879SGas detectorCITY TECH·Filed 2003·Granted Aug 24, 2004·6 cites·1 claims
- 2637US5632875AElectrochemical gas sensor assemblyCITY TECH·Filed 1996·Granted May 27, 1997·7 cites·16 claims
- 2735US2008226505A1Gas Sensor Assembly With Catalytic ElementCITY TECH·Filed 2006·Application pending·0 cites
- 2831USD500256SGas detectorCITY TECH·Filed 2003·Granted Dec 28, 2004·2 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when CITY TECH files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →