Delft
Netherlands
12
2022-11-03
The entities that hold a legal rights for patent applications filed by inventor Wilmink Engbert:
Engbert Wilmink from Delft, NL has applied for patents for these inventions. The list has both pending applications and granted patents:
ACOUSTIC DEVICE WITH SMA MICROSPRING SWITCH
#2 | 2021-12-30Acoustic filter with enhanced valve stroke
#3 | 2021-07-22Acoustic device with deformable shape as valve
#4 | 2020-11-12Acoustic filter with attenuation control
#5 | 2018-09-27Acoustic filter and method of manufacturing
#6 | 2017-07-20Acoustic valve and ear plug for hearing protection
#7 | 2016-08-18Method and system for testing a mould shape quality of a user-customized ear mould
#8 | 2013-05-23Ear 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
#9 | 2009-09-03Earplug for insertion into an auditory duct
#10 | 2007-04-19Earplug
#11 | 2005-09-27System consisting of a microphone and an amplifier
#12 | 2005-05-26Electroacoustic transducer with a diaphragm and method for fixing a diaphragm in such transducer
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