Inventor · disambiguated record
John D. Hanson
Also filed as: HANSON JOHN · HANSON JOHN C · HANSON JOHN D · HANSON JOHN DOUGLAS
16 granted patents·3 pending applications·397 citations·filing 1983–2015
95Inventor score
Top patents by PatentIndex Score
19 records- 0194US5383437AIntegrity confirmation of evaporative emission control system against leakageSIEMENS AUTOMOTIVE LTD·Filed 1992·Granted Jan 24, 1995·72 cites·33 claims
- 0293US6664460B1System for customizing musical effects using digital signal processing techniquesHARMAN INT IND·Filed 2002·Granted Dec 16, 2003·63 cites·151 claims
- 0390US8957297B2Programmable musical instrument pedalboardHARMAN INT IND·Filed 2013·Granted Feb 17, 2015·18 cites·19 claims
- 0486US9524707B2Programmable musical instrument pedalboardHARMAN INT IND·Filed 2015·Granted Dec 20, 2016·7 cites·21 claims
- 0585US7026539B2Musical effect customization systemHARMAN INT IND·Filed 2003·Granted Apr 11, 2006·36 cites·33 claims
- 0685US5183023AEvaporative emission control system for supercharged internal combustion engineSIEMENS AUTOMOTIVE LTD·Filed 1991·Granted Feb 2, 1993·48 cites·2 claims
- 0782US7373210B2Effects and recording systemHARMAN INT IND·Filed 2003·Granted May 13, 2008·38 cites·102 claims
- 0880US6817544B2Device preventing rotation of a power drill attachmentFiled 2003·Granted Nov 16, 2004·31 cites·17 claims
- 0967US10100543B2Detachment device and material detachment processHANSON JOHN·Filed 2014·Granted Oct 16, 2018·3 cites·18 claims
- 1066USD410465SMusical instrument amplifierHARMAN MUSIC GROUP INCORPORATED·Filed 1997·Granted Jun 1, 1999·16 cites·1 claims
- 1166US4499916AVacuum check valveALLIED CORP·Filed 1983·Granted Feb 19, 1985·22 cites·3 claims
- 1256US8483404B2System including device for securing the states of electronic controlsBOGDAN JOHN B·Filed 2008·Granted Jul 9, 2013·2 cites·26 claims
- 1340US5641142ALadder trayFiled 1995·Granted Jun 24, 1997·20 cites·10 claims
- 1440US2003201340A1Fluid sprayer with a motor-driven pumpFiled 2003·Application pending·0 cites
- 1539US2003173420A1Drill sprayerFiled 2002·Application pending·0 cites
- 1638USD602471SLock for audio component controlsHARMAN INT IND·Filed 2008·Granted Oct 20, 2009·3 cites·1 claims
- 1738US5692069AApparatus for performing character segmentation using slant histogramsEASTMAN KODAK CO·Filed 1995·Granted Nov 25, 1997·16 cites·7 claims
- 1838US2006026838A1High carbon steel formed bearing assemblyTIMKEN US CORP·Filed 2004·Application pending·0 cites
- 1924US5305979AAssembly convertible between house ID display sign and support shelfHANSON JR JOHN D·Filed 1992·Granted Apr 26, 1994·2 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when John D. Hanson 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 →