Inventor · disambiguated record
David J. Howells
Also filed as: HOWELLS DAVID J
4 granted patents·2 pending applications·332 citations·filing 2005–2009
85Inventor score
Technology areasG01S
Files withJOHNSON OUTDOORS INC6
Top patents by PatentIndex Score
6 records- 0196US7755974B2Side scan sonar imaging system with enhancementJOHNSON OUTDOORS INC·Filed 2009·Granted Jul 13, 2010·82 cites·29 claims
- 0296US7729203B2Side scan sonar imaging system with associated GPS dataJOHNSON OUTDOORS INC·Filed 2009·Granted Jun 1, 2010·83 cites·32 claims
- 0396US7652952B2Sonar imaging system for mounting to watercraftJOHNSON OUTDOORS INC·Filed 2005·Granted Jan 26, 2010·94 cites·16 claims
- 0495US7710825B2Side scan sonar imaging system with boat position on displayJOHNSON OUTDOORS INC·Filed 2009·Granted May 4, 2010·73 cites·18 claims
- 0547US2010103775A1Sonar imaging system for mounting to watercraftJOHNSON OUTDOORS INC·Filed 2009·Application pending·0 cites
- 0647US2010080082A1Side scan sonar imaging systemJOHNSON OUTDOORS INC·Filed 2009·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David J. Howells 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 →