Inventor
John Bruss
Inventor
Culver City, CA, US
Overview
Patents· 9 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 transducers67%
H01HElectric switches8%
H01RElectrically-conductive connections8%
H03GControl of amplification8%
H05KPrinted circuits8%
PatentTitleYear
10,652,644Ear tip designed to enable in-ear detect with pressure change in acoustic volume202010,085,080Earphone assemblies with multiple subassembly housings201810,063,962Vented acoustic enclosures and related systems20189,219,957'Sound pressure level limiting'20159,173,045'Headphone response optimization'20159,137,609'Earphone device with impedance correction unit'20159,071,906'Wireless audio player and speaker system'20158,315,419'Sound producing system'2012D0324522'Loudspeaker'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Based in Freeport, IL, US· patent location history
2012–2015Patents assigned to BRUSS JOHN R (2)· patent assignee history
2012Patents assigned to BOSE CORP (1)· patent assignee history
2012Patents assigned to GRAFF ALLEN T (1)· patent assignee history
2012Based in Chula Vista, CA, US· patent location history
2015Patents assigned to IMATION CORP (4)· patent assignee history
2015–2020Based in Culver City, CA, US· patent location history
2015Based in St. Paul, MN, US· patent location history
2018–2020Patents assigned to APPLE INC (3)· patent assignee history
2018Based in Santa Monica, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IMATION CORP | 4 | 2015 |
| APPLE INC | 3 | 2018–2020 |
| BRUSS JOHN Rself | 2 | 2012–2015 |
| BOSE CORP | 1 | 2012 |
| GRAFF ALLEN T | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Culver City, California, US | 4 | 2015–2020 |
| St. Paul, Minnesota, US | 2 | 2015 |
| Santa Monica, California, US | 1 | 2018 |
| Chula Vista, California, US | 1 | 2012 |
| Freeport, Illinois, US | 1 | 1992 |