Assignee
BLACK GOLD CORP
US·6 granted patents·66 citations·filing 1992–2000
Top patents by PatentIndex Score
6 records- 0159US5879149AFuel control and preheating system for a fuel-burning heaterBLACK GOLD CORP·Filed 1996·Granted Mar 9, 1999·24 cites·20 claims
- 0258US6368101B1Flame retention head and nozzle block assembly for waste oil-burning systemsBLACK GOLD CORP·Filed 2000·Granted Apr 9, 2002·8 cites·21 claims
- 0349US5363836AFurnace with supplementary heat exchange meansBLACK GOLD CORP·Filed 1993·Granted Nov 15, 1994·14 cites·18 claims
- 0447USD447554SFlame retention head for a waste oil-burning systemBLACK GOLD CORP·Filed 2000·Granted Sep 4, 2001·3 cites·1 claims
- 0547US5435718AFuel shut-off system for fuel-burning heaterBLACK GOLD CORP·Filed 1993·Granted Jul 25, 1995·11 cites·21 claims
- 0634US5372484AFuel delivery system for fuel-burning heater and associated componentsBLACK GOLD CORP·Filed 1992·Granted Dec 13, 1994·6 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →