Assignee
OLDHAM FRANCE SA
US·4 granted patents·140 citations·filing 1979–2000
Top patents by PatentIndex Score
4 records- 0189US6406812B1Continuous current supply for electrical automotive vehicleOLDHAM FRANCE SA·Filed 2000·Granted Jun 18, 2002·75 cites·15 claims
- 0277US4263588AHelmet-carried apparatus for detecting and signalling the presence of a dangerous gas in an atmosphereOLDHAM FRANCE SA·Filed 1979·Granted Apr 21, 1981·33 cites·6 claims
- 0361US6346420B1Method of analyzing a gas mixture to determine its explosibility and system for implementing a method of this kindOLDHAM FRANCE SA·Filed 2000·Granted Feb 12, 2002·13 cites·11 claims
- 0443US6218666B1Method of determining the concentration of a gas in a gas mixture and analyzer for implementing such a methodOLDHAM FRANCE SA·Filed 1998·Granted Apr 17, 2001·19 cites·8 claims
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