Assignee
DELPHIAN CORP
US·10 granted patents·326 citations·filing 1977–2008
Top patents by PatentIndex Score
10 records- 0192US4489590AMethod and apparatus for gas detector calibrationDELPHIAN CORP·Filed 1982·Granted Dec 25, 1984·82 cites·8 claims
- 0291US4260950AAutomatic portable pH meter and method with calibration receptacleDELPHIAN CORP·Filed 1979·Granted Apr 7, 1981·58 cites·8 claims
- 0377US4157283ASulfide monitoring system and methodDELPHIAN CORP·Filed 1977·Granted Jun 5, 1979·26 cites·8 claims
- 0477US4154660AMethod and apparatus for monitoring sulfide in well drilling mudDELPHIAN CORP·Filed 1977·Granted May 15, 1979·29 cites·6 claims
- 0574US6545278B1Gas discriminating gas detector system and methodDELPHIAN CORP·Filed 1999·Granted Apr 8, 2003·55 cites·35 claims
- 0671US7996159B2Gas detector system and methodDELPHIAN CORP·Filed 2008·Granted Aug 9, 2011·3 cites·29 claims
- 0770US4154659ASulfide monitoring system and methodDELPHIAN CORP·Filed 1977·Granted May 15, 1979·21 cites·10 claims
- 0864US4124475AHydrogen sulfide monitoring systemDELPHIAN CORP·Filed 1977·Granted Nov 7, 1978·18 cites·2 claims
- 0963US4432224AHydrogen sulfide measuring systems and the likeDELPHIAN CORP·Filed 1982·Granted Feb 21, 1984·19 cites·10 claims
- 1039US4870855AGas sensor protection devices and assembliesDELPHIAN CORP·Filed 1987·Granted Oct 3, 1989·15 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →