Inventor · disambiguated record
William H. Hapgood
Also filed as: HAPGOOD WILLIAM H
8 granted patents·158 citations·filing 1974–1981
89Inventor score
Files withRAYTHEON CO8
Top patents by PatentIndex Score
8 records- 0179US4588026ACoiled heat exchangerRAYTHEON CO·Filed 1981·Granted May 13, 1986·33 cites·9 claims
- 0279US4158438ASelf-pumping water boiler systemRAYTHEON CO·Filed 1977·Granted Jun 19, 1979·32 cites·8 claims
- 0366US3936003AMultiport high density burnerRAYTHEON CO·Filed 1974·Granted Feb 3, 1976·22 cites·6 claims
- 0461US4149673ASelf-pumping water boiler systemRAYTHEON CO·Filed 1977·Granted Apr 17, 1979·16 cites·10 claims
- 0560US3975137ABurner control systemRAYTHEON CO·Filed 1975·Granted Aug 17, 1976·13 cites·10 claims
- 0656US4122830ASolar heating systemRAYTHEON CO·Filed 1976·Granted Oct 31, 1978·20 cites·10 claims
- 0746US4158386ASelf-pumping water boiler systemRAYTHEON CO·Filed 1977·Granted Jun 19, 1979·11 cites·7 claims
- 0841US4063545ASolar collector thermostatRAYTHEON CO·Filed 1976·Granted Dec 20, 1977·11 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when William H. Hapgood files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →