Assignee
HUMPHREYS MICHAEL
4 granted patents·39 citations·filing 1979–2011
Top patents by PatentIndex Score
4 records- 0174US4243284AElectrical distribution systemHUMPHREYS MICHAEL·Filed 1979·Granted Jan 6, 1981·32 cites·28 claims
- 0270US8607779B2Solar drainback tankHUMPHREYS MICHAEL·Filed 2011·Granted Dec 17, 2013·2 cites·26 claims
- 0368US8567388B2Hotwater tankHUMPHREYS MICHAEL·Filed 2011·Granted Oct 29, 2013·2 cites·24 claims
- 0465US8499785B2Overflow valve for prevention of water vapor lossHUMPHREYS MICHAEL·Filed 2011·Granted Aug 6, 2013·3 cites·24 claims
Join the waitlist — get patent alerts
Get an alert when HUMPHREYS MICHAEL 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 →