Assignee
DELTAK CORP
US·10 granted patents·141 citations·filing 1975–1994
Top patents by PatentIndex Score
10 records- 0180US5136985ABoiler tube supportDELTAK CORP·Filed 1991·Granted Aug 11, 1992·46 cites·13 claims
- 0279US4421067AApparatus and method for soot cleaning in high-pressure heat exchangersDELTAK CORP·Filed 1982·Granted Dec 20, 1983·32 cites·20 claims
- 0357US5131459AHeat exchanger with movable tube assembliesDELTAK CORP·Filed 1991·Granted Jul 21, 1992·24 cites·13 claims
- 0445US4188916AWaste heat boiler for abstraction of heat energy from gaseous effluent containing corrosive chemical contaminantsDELTAK CORP·Filed 1978·Granted Feb 19, 1980·11 cites·8 claims
- 0537US3976033AVertical firetube waste heat boilerDELTAK CORP·Filed 1975·Granted Aug 24, 1976·7 cites·5 claims
- 0635US3971345ACoal fired package boilerDELTAK CORP·Filed 1975·Granted Jul 27, 1976·6 cites·7 claims
- 0728US5219150AFluid jack for a heat exchangerDELTAK CORP·Filed 1991·Granted Jun 15, 1993·5 cites·8 claims
- 0827US4414923AHeat recovery boiler for high pressure gasDELTAK CORP·Filed 1982·Granted Nov 15, 1983·1 cites·4 claims
- 0926US5415198ASafety vent and deflector for a pressurized vesselDELTAK CORP·Filed 1994·Granted May 16, 1995·3 cites·10 claims
- 1026US4153012AWaste heat watertube boilerDELTAK CORP·Filed 1977·Granted May 8, 1979·6 cites·4 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →