Inventor · disambiguated record
Douglas R. S. Hart
Also filed as: HART DOUGLAS · HART DOUGLAS R · HART DOUGLAS R S · HART DOUGLAS ROBINSON SANFORD
6 granted patents·1 pending application·309 citations·filing 1978–2001
87Inventor score
Files withHART DOUGLAS R S3
Top patents by PatentIndex Score
7 records- 0188US4685615ADiagnostic thermostatHART DOUGLAS R S·Filed 1986·Granted Aug 11, 1987·137 cites·14 claims
- 0284US5560124AAutomatic cycle terminator for dryersFiled 1994·Granted Oct 1, 1996·54 cites·46 claims
- 0380US5193292AMethod and apparatus for automatically terminating the cycle in dryersHART DOUGLAS R S·Filed 1992·Granted Mar 16, 1993·46 cites·39 claims
- 0464US5806511AMethod and apparatus to provide freeze protection for solar water heating systemsFiled 1995·Granted Sep 15, 1998·25 cites·17 claims
- 0559US5927313AValve locking device and methodFiled 1997·Granted Jul 27, 1999·21 cites·18 claims
- 0657US4207869ASolar collector constructionHART DOUGLAS R S·Filed 1978·Granted Jun 17, 1980·26 cites·18 claims
- 0736US2004122560A1Virtual conservation devicesFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →