Inventor
VAN 'T HOF PIETER GERARD
NL6 patents
⚠️ This page may combine multiple inventors who share the name “VAN 'T HOF PIETER GERARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DYNAMIC EAR COMPANY B V
5 patentsUS9930454B2Mar 27, 2018
Method and system for testing a mould shape quality of a user-customized ear mould
DYNAMIC EAR COMPANY B V2 citations69
US11266532B2Mar 8, 2022
Acoustic filter with attenuation control
DYNAMIC EAR COMPANY B V2 citations64
US11804205B2Oct 31, 2023
Acoustic filter and method of manufacturing
DYNAMIC EAR COMPANY B V0 citations58
US11273076B2Mar 15, 2022
Acoustic valve and ear plug for hearing protection
DYNAMIC EAR COMPANY B V0 citations48
US11291586B2Apr 5, 2022
Earplug and method for attenuating sound
DYNAMIC EAR COMPANY B V0 citations37