Assignee
WALKER JOHN G
GB·9 granted patents·99 citations·filing 1982–2007
Technology mixB63H7
Top patents by PatentIndex Score
9 records- 0181US4563970ASail with retractable air directing elementWALKER JOHN G·Filed 1983·Granted Jan 14, 1986·23 cites·6 claims
- 0280US4856449AWingsail stallingWALKER JOHN G·Filed 1988·Granted Aug 15, 1989·22 cites·12 claims
- 0380US4543899ASelf-trimming sailsetWALKER JOHN G·Filed 1982·Granted Oct 1, 1985·22 cites·4 claims
- 0473US4982679AWingsail flap torque equalizationWALKER JOHN G·Filed 1988·Granted Jan 8, 1991·14 cites·10 claims
- 0553USD324021SSail boatWALKER JOHN G·Filed 1990·Granted Feb 18, 1992·7 cites·1 claims
- 0653US4770113AWingsail systemsWALKER JOHN G·Filed 1986·Granted Sep 13, 1988·7 cites·7 claims
- 0744US4945847AWingsail flap deflection systemWALKER JOHN G·Filed 1988·Granted Aug 7, 1990·4 cites·5 claims
- 0842US8225731B2Marine thrust wingsWALKER JOHN G·Filed 2007·Granted Jul 24, 2012·0 cites·11 claims
- 0930USD588157SMarine thrust wings unitWALKER JOHN G·Filed 2007·Granted Mar 10, 2009·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when WALKER JOHN G 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 →