Assignee
MAIHAK AG
13 granted patents·223 citations·filing 1973–1999
Top patents by PatentIndex Score
13 records- 0190US4558950AInterferometric distance and direction measurementMAIHAK AG·Filed 1983·Granted Dec 17, 1985·46 cites·23 claims
- 0266US4110619AMethod of compensating for carrier-gas-composition dependence due to the collision-broadening effect in non-dispersive infrared photometers having a detector comprised of two absorption chambers arranged one behind the otherMAIHAK AG·Filed 1977·Granted Aug 29, 1978·23 cites·10 claims
- 0365US4023930AMethod and apparatus for determining the concentration of a gas or gases in a gas mixture by sensing the coloration undergone by reagent test paper, or the like, in response to exposure to such gas or gasesMAIHAK AG·Filed 1975·Granted May 17, 1977·21 cites·8 claims
- 0463US4641973AMethod and apparatus for measurement of the concentration of a component of a mixtureMAIHAK AG·Filed 1982·Granted Feb 10, 1987·28 cites·7 claims
- 0563US3941956AApparatus for indicating the filling level of silos and the likeMAIHAK AG·Filed 1973·Granted Mar 2, 1976·15 cites·3 claims
- 0659US4004146AInfrared gas analyzing photometer with chopper designed to avoid radiation wasteMAIHAK AG·Filed 1975·Granted Jan 18, 1977·16 cites·15 claims
- 0753US3988923AMeasuring deviceMAIHAK AG·Filed 1975·Granted Nov 2, 1976·17 cites·11 claims
- 0846US3949231AInfrared radiating unit for infrared analyzersMAIHAK AG·Filed 1975·Granted Apr 6, 1976·29 cites·11 claims
- 0943US6737276B1Method and device for determining the total organic carbon content in liquids, especially ultra-pure waterMAIHAK AG·Filed 1999·Granted May 18, 2004·15 cites·31 claims
- 1040US3945255AMethod of and apparatus for monitoring a process involving a plurality of parametersMAIHAK AG·Filed 1974·Granted Mar 23, 1976·5 cites·10 claims
- 1133US3950644ANon-dispensive infrared gas analyzerMAIHAK AG·Filed 1974·Granted Apr 13, 1976·4 cites·16 claims
- 1227US3956939ARotary-piston measuring deviceMAIHAK AG·Filed 1975·Granted May 18, 1976·4 cites·12 claims
- 1317US3943768AMethod and apparatus for measuring peak pressure in fluidsMAIHAK AG·Filed 1974·Granted Mar 16, 1976·0 cites·8 claims
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