van Halteren; Aart Z.

Patent Applications and Registrations

Patent applications and USPTO patent grants for van Halteren; Aart Z..The latest application filed is for "electret assembly for a microphone having a backplate with improved charge stability".

Company Profile

0.9.7

van Halteren; Aart Z. - Hobrede NL
van Halteren; Aart Z. - Zwaag NL

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Electret assembly for a microphone having a backplate with improved charge stability Grant 8,280,082 - van Halteren , et al. October 2, 2	2012-10-02
Acoustic transducer having reduced thickness Grant 7,970,161 - van Halteren June 28, 2	2011-06-28
Silicon-based transducer for use in hearing instruments and listening devices Grant 7,792,315 - Mullenborn , et al. September 7, 2	2010-09-07
Electret Assembly For A Microphone Having A Backplate With Improved Charge Stability App 20100172521 - van Halteren; Aart Z. ; et al.	2010-07-08
Electret assembly for a microphone having a backplate with improved charge stability Grant 7,684,575 - van Halteren , et al. March 23, 2	2010-03-23
Acoustic transducer having reduced thickness App 20070133834 - van Halteren; Aart Z.	2007-06-14
Electret assembly for a microphone having a backplate with improved charge stability App 20070121982 - van Halteren; Aart Z. ; et al.	2007-05-31
Silicon-based transducer for use in hearing instruments and listening devices App 20070071260 - Mullenborn; Matthias ; et al.	2007-03-29
Acoustic transducer having reduced thickness Grant 7,190,803 - van Halteren March 13, 2	2007-03-13
Silicon-based transducer for use in hearing instruments and listening devices Grant 7,142,682 - Mullenborn , et al. November 28, 2	2006-11-28
Electret assembly for a microphone having a backplate with improved charge stability Grant 7,136,496 - van Halteren , et al. November 14, 2	2006-11-14
Silicon-based transducer for use in hearing instruments and listening devices App 20040120540 - Mullenborn, Matthias ; et al.	2004-06-24
Acoustic transducer having reduced thickness App 20030190053 - van Halteren, Aart Z.	2003-10-09
Electret assembly for a microphone having a backplate with improved charge stability App 20030076970 - van Halteren, Aart Z. ; et al.	2003-04-24
Electroacoustic transducer of the electret type Grant 5,255,246 - van Halteren October 19, 1	1993-10-19
Electret transducer and a method for manufacturing an assembly of backplate, electret foil and diaphragm plate Grant 4,567,382 - van Halteren January 28, 1	1986-01-28

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