Inventor · disambiguated record
Dirk N. Granberg
Also filed as: GRANBERG DIRK N
4 granted patents·127 citations·filing 1984–1989
80Inventor score
Files withSMITH CORP A O4
Top patents by PatentIndex Score
4 records- 0183US4651714AHigh efficiency water heaterSMITH CORP A O·Filed 1984·Granted Mar 24, 1987·43 cites·7 claims
- 0279US4599066ARadiant energy burnerSMITH CORP A O·Filed 1985·Granted Jul 8, 1986·35 cites·5 claims
- 0371US4898124AScale agitatorSMITH CORP A O·Filed 1989·Granted Feb 6, 1990·29 cites·17 claims
- 0458US4721456ACombustion element for a radiant energy burner and method of making sameSMITH CORP A O·Filed 1986·Granted Jan 26, 1988·20 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →