Erik Wiederholtz

Person

Saint Charles, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Directivity pattern control waveguide for a speaker, and speaker in...
- Patent number 12,047,738
- Issue date Jul 23, 2024
- Perlisten Audio LLC
- Dan Roemer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Directivity pattern control waveguide for a speaker, and speaker in...
- Patent number 12,041,414
- Issue date Jul 16, 2024
- Perlisten Audio LLC
- Dan Roemer
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio device with audio signal processing based on acoustic valve s...
- Patent number 11,102,576
- Issue date Aug 24, 2021
- Knowles Electronicis, LLC
- Thomas Miller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Driver with acoustic filter chamber
- Patent number 11,082,778
- Issue date Aug 3, 2021
- Knowles Electronics, LLC
- Erik Wiederholtz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio device with acoustic valve
- Patent number 10,939,217
- Issue date Mar 2, 2021
- Knowles Electronics, LLC
- Christopher Monti
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing device with contextually actuated valve
- Patent number 10,687,153
- Issue date Jun 16, 2020
- Knowles Electronics, LLC
- Shehab Albahri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hybrid transducer
- Patent number 10,516,935
- Issue date Dec 24, 2019
- Knowles Electronics, LLC
- Erik Wiederholtz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DIRECTIVITY PATTERN CONTROL WAVEGUIDE FOR A SPEAKER, AND SPEAKER IN...
- Publication number 20250063298
- Publication date Feb 20, 2025
- Perlisten Audio LLC
- Dan Roemer
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DIRECTIVITY PATTERN CONTROL WAVEGUIDE FOR A SPEAKER, AND SPEAKER IN...
- Publication number 20240381024
- Publication date Nov 14, 2024
- Perlisten Audio LLC
- Dan Roemer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUDIO DEVICE WITH AUDIO SIGNAL PROCESSING BASED ON ACOUSTIC VALVE S...
- Publication number 20200213731
- Publication date Jul 2, 2020
- KNOWLES ELECTRONICS, LLC
- Thomas Miller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUDIO DEVICE WITH CONTEXTUALLY ACTUATED VALVE
- Publication number 20190215621
- Publication date Jul 11, 2019
- KNOWLES ELECTRONICS, LLC
- Shehab Albahri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FLUID-FILLED EAR TIP
- Publication number 20190208302
- Publication date Jul 4, 2019
- KNOWLES ELECTRONICS, LLC
- Christopher Monti
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUDIO DEVICE WITH ACOUSTIC VALVE
- Publication number 20190208343
- Publication date Jul 4, 2019
- KNOWLES ELECTRONICS, LLC
- Christopher Monti
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HYBRID TRANSDUCER
- Publication number 20180213318
- Publication date Jul 26, 2018
- KNOWLES ELECTRONICS, LLC
- Erik Wiederholtz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Driver With Acoustic Filter Chamber
- Publication number 20170272868
- Publication date Sep 21, 2017
- KNOWLES ELECTRONICS, LLC
- Erik Wiederholtz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Audio Device With Acoustic Valve
- Publication number 20170251292
- Publication date Aug 31, 2017
- KNOWLES ELECTRONICS, LLC
- Erik Wiederholtz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACOUSTIC RECEIVER WITH INTERNAL SCREEN
- Publication number 20140355787
- Publication date Dec 4, 2014
- KNOWLES ELECTRONICS, LLC
- Mekell Jiles
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Erik Wiederholtz

Person

Patents Grantslast 30 patents

Directivity pattern control waveguide for a speaker, and speaker in...

Directivity pattern control waveguide for a speaker, and speaker in...

Audio device with audio signal processing based on acoustic valve s...

Driver with acoustic filter chamber

Audio device with acoustic valve

Hearing device with contextually actuated valve

Hybrid transducer

Patents Applicationslast 30 patents

DIRECTIVITY PATTERN CONTROL WAVEGUIDE FOR A SPEAKER, AND SPEAKER IN...

DIRECTIVITY PATTERN CONTROL WAVEGUIDE FOR A SPEAKER, AND SPEAKER IN...

AUDIO DEVICE WITH AUDIO SIGNAL PROCESSING BASED ON ACOUSTIC VALVE S...

AUDIO DEVICE WITH CONTEXTUALLY ACTUATED VALVE

FLUID-FILLED EAR TIP

AUDIO DEVICE WITH ACOUSTIC VALVE

HYBRID TRANSDUCER

Driver With Acoustic Filter Chamber

Audio Device With Acoustic Valve

ACOUSTIC RECEIVER WITH INTERNAL SCREEN