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David Earl Schafer
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Glen Ellyn, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Low axial vibration receiver armature and assembly
Patent number
8,824,726
Issue date
Sep 2, 2014
Knowles Electronics, LLC
Thomas E. Miller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low axial vibration receiver armature and assembly
Patent number
8,494,209
Issue date
Jul 23, 2013
Knowles Electronics, LLC
Thomas E. Miller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of making a linkage assembly for a transducer and the like
Patent number
7,925,041
Issue date
Apr 12, 2011
Knowles Electronics, LLC
Mekell Jiles
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System of component s usable in the manufacture of an acoustic tran...
Patent number
7,921,540
Issue date
Apr 12, 2011
Knowles Electronics, LLC
Mekell Jiles
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Acoustic assembly for a transducer
Patent number
7,860,264
Issue date
Dec 28, 2010
Knowles Electronics, LLC
Mekell Jiles
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of making an acoustic assembly for a transducer
Patent number
7,412,763
Issue date
Aug 19, 2008
Knowles Electronics, LLC
Mekell Jiles
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for creating acoustic energy in a receiver ass...
Patent number
7,415,125
Issue date
Aug 19, 2008
Knowles Electronics, LLC
Daniel M. Warren
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for creating motion amplification in a transducer with im...
Patent number
7,366,317
Issue date
Apr 29, 2008
Knowles Electronics, LLC
Thomas Edward Miller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for generating acoustic energy in a receiver a...
Patent number
7,336,797
Issue date
Feb 26, 2008
Knowles Electronics, LLC
Stephen C. Thompson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Linkage assembly for an acoustic transducer
Patent number
7,302,748
Issue date
Dec 4, 2007
Knowles Electronics, LLC
Mekell Jiles
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for creating acoustic energy in a balanced receiver assem...
Patent number
7,203,334
Issue date
Apr 10, 2007
Knowles Electronics, LLC
David Earl Schafer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Vibration balanced receiver
Patent number
7,164,776
Issue date
Jan 16, 2007
Knowles Electronics, LLC
Thomas Miller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Miniature silicon condenser microphone
Patent number
5,870,482
Issue date
Feb 9, 1999
Knowles Electronics, Inc.
Peter V. Loeppert
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Miniature silicon condenser microphone
Patent number
5,740,261
Issue date
Apr 14, 1998
Knowles Electronics, Inc.
Peter V. Loeppert
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
DIELECTRIC COMB FOR MEMS DEVICE
Publication number
20210029470
Publication date
Jan 28, 2021
KNOWLES ELECTRONICS LLC.
Mohsin Nawaz
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Application
Low Axial Vibration Receiver Armature And Assembly
Publication number
20130315436
Publication date
Nov 28, 2013
KNOWLES ELECTRONICS, LLC
Thomas E. Miller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Low Axial Vibration Receiver Armature And Assembly
Publication number
20100284561
Publication date
Nov 11, 2010
Thomas E. Miller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of Making a Linkage Assembly for a Transducer and the Like
Publication number
20080130939
Publication date
Jun 5, 2008
KNOWLES ELECTRONICS, LLC
Mekell Jiles
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus for Energy Transfer in a Balanced Receiver Assembly and M...
Publication number
20070047756
Publication date
Mar 1, 2007
KNOWLES ELECTRONICS, LLC
Mekell Jiles
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus for Creating Acoustic Energy in a Balanced Receiver Assem...
Publication number
20070014427
Publication date
Jan 18, 2007
KNOWLES ELECTRONICS, LLC
David Earl Schafer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method Of Making An Acoustic Assembly For A Transducer
Publication number
20060218763
Publication date
Oct 5, 2006
KNOWLES ELECTRONICS, LLC
Mekell Jiles
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Acoustic Assembly For A Transducer
Publication number
20060215874
Publication date
Sep 28, 2006
KNOWLES ELECTRONICS, LLC
Mekell Jiles
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus for creating motion amplification in a transducer with im...
Publication number
20060083400
Publication date
Apr 20, 2006
KNOWLES ELECTRONICS, LLC
Thomas E. Miller
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus and method for creating acoustic energy in a receiver ass...
Publication number
20050002542
Publication date
Jan 6, 2005
Daniel M. Warren
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus and method for generating acoustic energy in a receiver a...
Publication number
20040258260
Publication date
Dec 23, 2004
Stephen C. Thompson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus for energy transfer in a balanced receiver assembly and m...
Publication number
20040168852
Publication date
Sep 2, 2004
Mekell Jiles
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus for creating acoustic energy in a balanced receiver assem...
Publication number
20040167377
Publication date
Aug 26, 2004
David Earl Schafer
H04 - ELECTRIC COMMUNICATION TECHNIQUE