Sean O'Brien

Person

Harwood, MD, US

People

Patents Grantslast 30 patents

Information Patent Grant
Loudspeaker transducers
- Patent number 12,256,208
- Issue date Mar 18, 2025
- Polk Audio, LLC
- Sean O'Brien
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio transducer with forced ventilation of motor and method
- Patent number 11,937,061
- Issue date Mar 19, 2024
- Polk Audio, LLC
- Sean O'Brien
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Elliptical ring radiator diaphragm, tweeter and damping method
- Patent number 11,889,258
- Issue date Jan 30, 2024
- Polk Audio, LLC
- Sean O'Brien
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio transducer with forced ventilation of motor and method
- Patent number 11,611,830
- Issue date Mar 21, 2023
- Polk Audio, LLC
- Sean O'Brien
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Loudspeaker Cone with Raised Curved Protrusions and Methods for Con...
- Publication number 20240381029
- Publication date Nov 14, 2024
- Polk Audio LLC
- Sean O'BRIEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Audio Transducer With Forced Ventilation of Motor and Method
- Publication number 20240251205
- Publication date Jul 25, 2024
- Polk Audio, LLC
- Sean O'Brien
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Elliptical Ring Radiator Diaphragm, Tweeter and Damping Method
- Publication number 20240171900
- Publication date May 23, 2024
- Polk Audio, LLC
- Sean O'BRIEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER TRANSDUCERS
- Publication number 20230388717
- Publication date Nov 30, 2023
- Polk Audio, LLC
- Sean O'Brien
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Audio Transducer With Forced Ventilation of Motor and Method
- Publication number 20230199394
- Publication date Jun 22, 2023
- Polk Audio, LLC
- Sean O'Brien
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER CONE WITH RAISED CURVED PROTRUSIONS AND METHOD FOR CONT...
- Publication number 20220329946
- Publication date Oct 13, 2022
- Polk Audio LLC
- Sean O'BRIEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Elliptical Ring Radiator Diaphragm, Tweeter and Damping Method
- Publication number 20220150618
- Publication date May 12, 2022
- Polk Audio, LLC
- Sean O'BRIEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Audio Transducer with Forced Ventilation of Motor and Method
- Publication number 20210352410
- Publication date Nov 11, 2021
- Polk Audio, LLC
- Sean O'Brien
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Sean O'Brien

Person

Patents Grantslast 30 patents

Loudspeaker transducers

Audio transducer with forced ventilation of motor and method

Elliptical ring radiator diaphragm, tweeter and damping method

Audio transducer with forced ventilation of motor and method

Patents Applicationslast 30 patents

Loudspeaker Cone with Raised Curved Protrusions and Methods for Con...

Audio Transducer With Forced Ventilation of Motor and Method

Elliptical Ring Radiator Diaphragm, Tweeter and Damping Method

LOUDSPEAKER TRANSDUCERS

Audio Transducer With Forced Ventilation of Motor and Method

LOUDSPEAKER CONE WITH RAISED CURVED PROTRUSIONS AND METHOD FOR CONT...

Elliptical Ring Radiator Diaphragm, Tweeter and Damping Method

Audio Transducer with Forced Ventilation of Motor and Method