Assignee
HARMONY THERMAL COMPANY INC
US·3 granted patents·167 citations·filing 1991–1993
Top patents by PatentIndex Score
3 records- 0190US5233970ASemi-instantaneous water heater with helical heat exchangerHARMONY THERMAL COMPANY INC·Filed 1992·Granted Aug 10, 1993·76 cites·4 claims
- 0287US5234196AVariable orifice gas modulating valveHARMONY THERMAL COMPANY INC·Filed 1993·Granted Aug 10, 1993·59 cites·10 claims
- 0371US5238398AVariable orifice gas modulating valveHARMONY THERMAL COMPANY INC·Filed 1991·Granted Aug 24, 1993·32 cites·12 claims
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