William A. Ryan — 13 Patents at Knowles Electronics

William A. Ryan has been granted 13 US patents while listed as an inventor at Knowles Electronics. The first was granted in 1988 and the most recent in October 2020. William A. Ryan ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list William A. Ryan in Villa Park, IL, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10820083	Acoustic assembly having an acoustically permeable membrane	John B. Szczech, Sandra F. Vos, Yu Du, Jose Salazar, Charles King	2020-10-27	$11,974,000
9872116	Apparatus and method for detecting earphone removal and insertion	Sarmad Qutub	2018-01-16	$4,288,000
9712913	Acoustic sound adsorption material having attached sphere matrix	Christian Lembacher, Heribert Bauer	2017-07-18
8798304	Acoustic valve mechanisms	Thomas E. Miller, Joseph Heidenreich, Ryan S. Scott, Daniel J. Repplinger, James S. Collins	2014-08-05	$18,650,000
8594347	Microphone having multiple transducer elements	Michael Abry, Peter V. Loeppert	2013-11-26
8170244	Microphone having multiple transducer elements	Michael Abry, Peter V. Loeppert	2012-05-01
7556568	Sports equipment swing training apparatus	—	2009-07-07
6991554	Sports equipment swing training apparatus and method of use	—	2006-01-31
5442931	Simplified adsorption heat pump using passive heat recuperation	William M. Worek, Weixiang Zheng	1995-08-22
5291942	Multiple stage sorption and desorption process and apparatus	—	1994-03-08
5255534	System and process for operating and absorption cycle around a crystallization curve of the solution	—	1993-10-26
5216891	Solution flows in direct expansion lithium bromide air conditioner/heater	—	1993-06-08
4736871	Liquid measuring dispenser	Dorian E. Luciani	1988-04-12

William A. Ryan — 13 Patents

Issued Patents All Time

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