Wilmink; Engbert

Patent Applications and Registrations

Patent applications and USPTO patent grants for Wilmink; Engbert.The latest application filed is for "acoustic filter with enhanced valve stroke".

Company Profile

1.11.12

Wilmink; Engbert - Delft 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
Acoustic filter with enhanced valve stroke Grant 11,438,709 - Lara-Quintanilla , et al. September 6, 2	2022-09-06
Acoustic valve and ear plug for hearing protection Grant 11,273,076 - van't Hof , et al. March 15, 2	2022-03-15
Acoustic filter with attenuation control Grant 11,266,532 - Van 'T Hof , et al. March 8, 2	2022-03-08
Acoustic Filter With Enhanced Valve Stroke App 20210409874 - LARA-QUINTANILLA; Adrian ; et al.	2021-12-30
Acoustic Device With Deformable Shape As Valve App 20210227315 - WILMINK; Engbert ; et al.	2021-07-22
Acoustic Filter With Attenuation Control App 20200352788 - VAN 'T HOF; Pieter Gerard ; et al.	2020-11-12
Acoustic Filter And Method Of Manufacturing App 20180277087 - VAN 'T HOF; Pieter Gerard ; et al.	2018-09-27
Method and system for testing a mould shape quality of a user-customized ear mould Grant 9,930,454 - van't Hof , et al. March 27, 2	2018-03-27
Acoustic Valve And Ear Plug For Hearing Protection App 20170202710 - van 't Hof; Pieter Gerard ; et al.	2017-07-20
Method And System For Testing A Mould Shape Quality Of A User-customized Ear Mould App 20160241967 - van 't Hof; Pieter Gerard ; et al.	2016-08-18
Ear protector with a sound damping filter, sound damping filter for such an ear protector as well as method for manufacturing a sound damping filter for such an ear protector Grant 8,689,931 - Wilmink April 8, 2	2014-04-08
Ear Protector With A Sound Damping Filter, Sound Damping Filter For Such An Ear Protector As Well As Method For Manufacturing A Sound Damping Filter For Such An Ear Protector App 20130126262 - Wilmink; Engbert	2013-05-23
Earplug for insertion into an auditory duct Grant 8,155,338 - Wilmink April 10, 2	2012-04-10
Earplug Grant 7,783,056 - Wilmink August 24, 2	2010-08-24
Electroacoustic transducer with a diaphragm and method for fixing a diaphragm in such transducer Grant 7,706,561 - Wilmink , et al. April 27, 2	2010-04-27
Earplug For Insertion Into An Auditory Duct App 20090220103 - Wilmink; Engbert	2009-09-03
Earplug App 20070086599 - Wilmink; Engbert	2007-04-19
System consisting of a microphone and an amplifier Grant 6,950,529 - Wilmink September 27, 2	2005-09-27
Electroacoustic transducer with a diaphragm and method for fixing a diaphragm in such transducer App 20050111688 - Wilmink, Engbert ; et al.	2005-05-26
System consisting of a microphone and an amplifier App 20010043705 - Wilmink, Engbert	2001-11-22
Electroacoustic transducer with improved diaphragm attachment Grant 6,078,677 - Dolleman , et al. June 20, 2	2000-06-20

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