EH

Evert Alle Helfrich

Koniniklijke Philips N.V.: 5 patents #1,464 of 7,486Top 20%
📍 Seattle, WA: #5,779 of 21,776 inventorsTop 30%
🗺 Washington: #19,482 of 76,902 inventorsTop 30%
Overall (All Time): #943,720 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11648099 Personal care device actuator with rattle mitigation Kevin A. Miller, Wolter F. Benning, Gregory Russ Goddard 2023-05-16
10537414 Personal care device actuator with rattle mitigation Kevin A. Miller, Wolter F. Benning, Gregory Russ Goddard 2020-01-21
9326594 Position sensing toothbrush Johannes Hotze Bernhard De Vries, Pieter Johannes Bax, Chad Brinckerhoff, Sandor Gordijn, Theo Anjes Maria Ruijl 2016-05-03
9049920 Position sensing toothbrush Johannes Hotze Bernhard De Vries, Pieter Johannes Bax, Chad Brinckherhoff, Sandor Gordijn, Theo Anjes Maria Ruijl 2015-06-09
8667634 System for axial bristle motion in a teeth cleaning mouthpiece Jelte Steur, Martinus Bernardus Stapelbroek, Arif Veendijk 2014-03-11