Inventor
Nicolaas Maria Jozef Stoffels
Inventor
Hoofddorp, NL
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers69%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure19%
G01MTesting static or dynamic balance of machines or structures13%
PatentTitleYear
11,122,371Receiver assembly having a distinct longitudinal direction202111,082,784Hearing device including a vibration preventing arrangement202110,951,999Assembly of a receiver and a microphone202110,652,669Receiver assembly having a distinct longitudinal direction202010,616,680Receiver assembly202010,405,085Receiver assembly201910,149,065Vibration compensated vibro acoustical assembly20189,668,065'Acoustical module with acoustical filter'20179,516,437'Transducer comprising moisture transporting element'20169,426,587'Electronics in a receiver-in-canal module'20168,971,554'Hearing aid with a sensor for changing power state of the hearing aid'20157,286,927'Determining engine cylinder contribution from indexed engine data'20077,171,302'Determining engine cylinder contribution from indexed engine data'20077,162,397'Decoding an alternator output signal'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007Patents assigned to SNAP ON TOOLS CORP (3)· patent assignee history
2007–2017Based in Haarlem, NL· patent location history
2015–2021Patents assigned to SONION NEDERLAND BV (11)· patent assignee history
2018–2021Based in Hoofddorp, NL· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONION NEDERLAND BV | 11 | 2015–2021 |
| SNAP ON TOOLS CORP | 3 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hoofddorp, NL | 7 | 2018–2021 |
| Haarlem, NL | 7 | 2007–2017 |