Assignee
DRAEGER SICHERHEITSTECH GMBH
US·32 granted patents·954 citations·filing 1998–2001
Top patents by PatentIndex Score
32 records- 0189US6075444AArrangement for blocking the operation by an operator of a vehicle or a machineDRAEGER SICHERHEITSTECH GMBH·Filed 1998·Granted Jun 13, 2000·112 cites·12 claims
- 0288US6538728B1Gas sensor with open optical measurement pathDRAEGER SICHERHEITSTECH GMBH·Filed 2000·Granted Mar 25, 2003·47 cites·12 claims
- 0388US6040777ADevice and process for indicating the exhaustion of a filterDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted Mar 21, 2000·95 cites·8 claims
- 0487US6096558AProcess for calibrating a breath alcohol-measuring instrumentDRAEGER SICHERHEITSTECH GMBH·Filed 1998·Granted Aug 1, 2000·60 cites·14 claims
- 0584US6464941B1Breath alcohol measuring apparatus having a sample intake channel and a temperature sensor mounted thereinDRAEGER SICHERHEITSTECH GMBH·Filed 2000·Granted Oct 15, 2002·33 cites·8 claims
- 0683US6485544B1Parallel folded filterDRAEGER SICHERHEITSTECH GMBH·Filed 2000·Granted Nov 26, 2002·67 cites·16 claims
- 0781US6415646B1Method for measuring gas concentrationsDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted Jul 9, 2002·83 cites·3 claims
- 0881US6375896B1Swab analyzer for the immunochemical detection of substancesDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted Apr 23, 2002·70 cites·26 claims
- 0968US6583417B2Infrared optical gas-measuring device and gas-measuring processDRAEGER SICHERHEITSTECH GMBH·Filed 2001·Granted Jun 24, 2003·7 cites·16 claims
- 1068US6415786B1Container for a respiratorDRAEGER SICHERHEITSTECH GMBH·Filed 2000·Granted Jul 9, 2002·20 cites·14 claims
- 1165US6162281ADevice and process for displaying the exhaustion of a gas filterDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted Dec 19, 2000·33 cites·14 claims
- 1260US6344133B1Process for operating an electrochemical measuring cellDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted Feb 5, 2002·23 cites·19 claims
- 1360US6202472B1Gas sensor with flashback barrierDRAEGER SICHERHEITSTECH GMBH·Filed 1998·Granted Mar 20, 2001·27 cites·20 claims
- 1460US6130097AProcess and device for detecting dust-associated substancesDRAEGER SICHERHEITSTECH GMBH·Filed 1998·Granted Oct 10, 2000·21 cites·33 claims
- 1559US6348355B1Testing element for the colorimetric determination of oxidizable components in gas mixturesDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted Feb 19, 2002·9 cites·12 claims
- 1658US6392234B2Infrared optical gas sensorDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted May 21, 2002·21 cites·20 claims
- 1756US6129894ADevice for taking swab samples and sample dilutionDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted Oct 10, 2000·20 cites·15 claims
- 1855US6401715B1Carrying device for a respiratorDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted Jun 11, 2002·31 cites·20 claims
- 1955US6150177ADevice and process for determining the temperature of the gas sample flow during breath alcohol measurementsDRAEGER SICHERHEITSTECH GMBH·Filed 1998·Granted Nov 21, 2000·16 cites·10 claims
- 2053US6289718B1Arrangement for detecting a gaseous component in a gas flowDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted Sep 18, 2001·16 cites·3 claims
- 2152US5997706AElectrochemical measuring cell for detecting arsine and phosphineDRAEGER SICHERHEITSTECH GMBH·Filed 1998·Granted Dec 7, 1999·15 cites·10 claims
- 2251US6075246AInfrared measuring arrangement with expanded measuring rangeDRAEGER SICHERHEITSTECH GMBH·Filed 1998·Granted Jun 13, 2000·14 cites·21 claims
- 2349US6230573B1Device for sampling gasDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted May 15, 2001·15 cites·8 claims
- 2448US6320199B1Process for improving the reliability of operation of optical gas sensorsDRAEGER SICHERHEITSTECH GMBH·Filed 2000·Granted Nov 20, 2001·1 cites·10 claims
- 2547US6228658B1Method of using a test strip for the immunochemical detection of substancesDRAEGER SICHERHEITSTECH GMBH·Filed 1998·Granted May 8, 2001·13 cites·8 claims
- 2646US6376254B1Biomimetic reagent system and its useDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted Apr 23, 2002·17 cites·30 claims
- 2746US6135431AScent cartridgeDRAEGER SICHERHEITSTECH GMBH·Filed 1998·Granted Oct 24, 2000·31 cites·20 claims
- 2839US6251244B1Electrochemical measuring cell for detecting hydride gasesDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted Jun 26, 2001·6 cites·19 claims
- 2936US6048495ADetector tubeDRAEGER SICHERHEITSTECH GMBH·Filed 1998·Granted Apr 11, 2000·7 cites·20 claims
- 3035US6305370B1Voice transmitter for a breathing protective maskDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted Oct 23, 2001·11 cites·9 claims
- 3131US6161259AMeasuring instrument with a holderDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted Dec 19, 2000·9 cites·19 claims
- 3221US6227198B1Underwater breathing apparatusDRAEGER SICHERHEITSTECH GMBH·Filed 1999·Granted May 8, 2001·4 cites·10 claims
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