Inventor · disambiguated record
William A. Ryan
Also filed as: RYAN JR WILLIAM A · RYAN WILLIAM · RYAN WILLIAM A · RYAN WILLIAM ARTHUR
13 granted patents·12 pending applications·459 citations·filing 1986–2020
93Inventor score
Top patents by PatentIndex Score
25 records- 0195US8798304B2Acoustic valve mechanismsMILLER THOMAS E·Filed 2010·Granted Aug 5, 2014·39 cites·3 claims
- 0293US8170244B2Microphone having multiple transducer elementsRYAN WILLIAM A·Filed 2009·Granted May 1, 2012·44 cites·18 claims
- 0391US4736871ALiquid measuring dispenserLUCIANI DORIAN E·Filed 1986·Granted Apr 12, 1988·186 cites·8 claims
- 0488US9712913B2Acoustic sound adsorption material having attached sphere matrixSOUND SOLUTIONS INT CO LTD·Filed 2016·Granted Jul 18, 2017·10 cites·13 claims
- 0586US10820083B2Acoustic assembly having an acoustically permeable membraneKNOWLES ELECTRONICS LLC·Filed 2019·Granted Oct 27, 2020·6 cites·22 claims
- 0686US8594347B2Microphone having multiple transducer elementsRYAN WILLIAM A·Filed 2012·Granted Nov 26, 2013·11 cites·2 claims
- 0785US5291942AMultiple stage sorption and desorption process and apparatusGAS RES INST·Filed 1993·Granted Mar 8, 1994·59 cites·20 claims
- 0876US5442931ASimplified adsorption heat pump using passive heat recuperationGAS RES INST·Filed 1994·Granted Aug 22, 1995·48 cites·9 claims
- 0971US9872116B2Apparatus and method for detecting earphone removal and insertionKNOWLES ELECTRONICS LLC·Filed 2015·Granted Jan 16, 2018·2 cites·20 claims
- 1069US6991554B2Sports equipment swing training apparatus and method of useRYAN WILLIAM A·Filed 2003·Granted Jan 31, 2006·16 cites·13 claims
- 1165US7556568B2Sports equipment swing training apparatusRYAN WILLIAM ARTHUR·Filed 2006·Granted Jul 7, 2009·7 cites·19 claims
- 1263US5255534ASystem and process for operating and absorption cycle around a crystallization curve of the solutionGAS RES INST·Filed 1992·Granted Oct 26, 1993·26 cites·33 claims
- 1357US2014279328A1Method and system automates a comprehensive, on-going survey of forward-looking financial estimates entering projected financial statements and valuation calculationsPENDEM LAXMISEKAR·Filed 2013·Application pending·0 cites
- 1453US2010111340A1Acoustic Valve MechanismsKNOWLES ELECTRONICS LLC·Filed 2009·Application pending·0 cites
- 1542US2010303274A1Microphone Having Reduced Vibration SensitivityRYAN WILLIAM·Filed 2010·Application pending·0 cites
- 1642US2012039499A1Microphone Having Reduced Vibration SensitivityRYAN WILLIAM·Filed 2011·Application pending·0 cites
- 1740US2020319843A1Reconfigurable microphone assemblyKNOWLES ELECTRONICS LLC·Filed 2020·Application pending·0 cites
- 1834US2016071506A1Acoustic Interface Assembly With Porous MaterialKNOWLES ELECTRONICS LLC·Filed 2015·Application pending·0 cites
- 1934US2016219373A1Piezoelectric Speaker DriverKNOWLES ELECTRONICS LLC·Filed 2016·Application pending·0 cites
- 2034US2017214994A1Earbud Control Using Proximity DetectionKNOWLES ELECTRONICS LLC·Filed 2016·Application pending·0 cites
- 2133US2016097855A1Acoustic apparatus with ultrasonic detectorKNOWLES ELECTRONICS LLC·Filed 2015·Application pending·0 cites
- 2233US2016105749A1Speaker with embedded piezoelectric transducerKNOWLES ELECTRONICS LLC·Filed 2015·Application pending·0 cites
- 2333US2016097856A1Acoustic apparatus with dual mems devicesKNOWLES ELECTRONICS LLC·Filed 2015·Application pending·0 cites
- 2433US2015237429A1Microphone In Speaker AssemblyKNOWLES ELECTRONICS LLC·Filed 2015·Application pending·0 cites
- 2532US5216891ASolution flows in direct expansion lithium bromide air conditioner/heaterGAS RES INST·Filed 1992·Granted Jun 8, 1993·5 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when William A. Ryan 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 →