Assignee
HEAT EXTRACTOR INC
US·3 granted patents·16 citations·filing 1982–1985
Top patents by PatentIndex Score
3 records- 0138US4651923AHeat extractorHEAT EXTRACTOR INC·Filed 1984·Granted Mar 24, 1987·8 cites·9 claims
- 0236US4497439AHeat extractorHEAT EXTRACTOR INC·Filed 1982·Granted Feb 5, 1985·7 cites·8 claims
- 0324US4606399AHeat recovery system with combustion gas acceleratorHEAT EXTRACTOR INC·Filed 1985·Granted Aug 19, 1986·1 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when HEAT EXTRACTOR INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →