Assignee
SOUTHERN CALIFORNIA GAS CO
US·16 granted patents·555 citations·filing 1979–2007
Top patents by PatentIndex Score
16 records- 0189US5240404AUltra low NOx industrial burnerSOUTHERN CALIFORNIA GAS CO·Filed 1992·Granted Aug 31, 1993·61 cites·22 claims
- 0285US5769569AIn-situ thermal desorption of heavy hydrocarbons in vadose zoneSOUTHERN CALIFORNIA GAS CO·Filed 1996·Granted Jun 23, 1998·200 cites·15 claims
- 0385US5427525ALox NOx staged atmospheric burnerSOUTHERN CALIFORNIA GAS CO·Filed 1993·Granted Jun 27, 1995·53 cites·6 claims
- 0476US5052921AMethod and apparatus for reducing NOx emissions in industrial thermal processesSOUTHERN CALIFORNIA GAS CO·Filed 1990·Granted Oct 1, 1991·39 cites·20 claims
- 0576US4520265AMethod and apparatus for accurate remote monitoring of gasesSOUTHERN CALIFORNIA GAS CO·Filed 1983·Granted May 28, 1985·42 cites·14 claims
- 0667US7365444B2Active anti-islanding system and methodSOUTHERN CALIFORNIA GAS CO·Filed 2006·Granted Apr 29, 2008·8 cites·3 claims
- 0764US5127267AAcoustic method for locating concealed pipeSOUTHERN CALIFORNIA GAS CO·Filed 1991·Granted Jul 7, 1992·34 cites·9 claims
- 0863US5577528AApparatus for upgrade or repair of in-service pipelinesSOUTHERN CALIFORNIA GAS CO·Filed 1994·Granted Nov 26, 1996·26 cites·14 claims
- 0962US5654505AGas meter cabinet and unitary manifoldSOUTHERN CALIFORNIA GAS CO·Filed 1994·Granted Aug 5, 1997·18 cites·24 claims
- 1062US4448545ANon-intrusive thermal power monitor and methodSOUTHERN CALIFORNIA GAS CO·Filed 1982·Granted May 15, 1984·20 cites·30 claims
- 1157US7954194B2Pig extracting deviceSOUTHERN CALIFORNIA GAS CO·Filed 2007·Granted Jun 7, 2011·6 cites·20 claims
- 1247US5844134AGas meter cabinet and unitary manifoldSOUTHERN CALIFORNIA GAS CO·Filed 1997·Granted Dec 1, 1998·12 cites·19 claims
- 1345US4497362ARegenerative room air exchangerSOUTHERN CALIFORNIA GAS CO·Filed 1983·Granted Feb 5, 1985·10 cites·16 claims
- 1442US4319628ATwo liquid heat exchange system and safety valve to prevent contaminationSOUTHERN CALIFORNIA GAS CO·Filed 1979·Granted Mar 16, 1982·13 cites·8 claims
- 1541US4333524AHigh efficiency furnaceSOUTHERN CALIFORNIA GAS CO·Filed 1981·Granted Jun 8, 1982·9 cites·39 claims
- 1632US5595207ATension actuated gas shutoff valveSOUTHERN CALIFORNIA GAS CO·Filed 1994·Granted Jan 21, 1997·4 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →