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Inventor

Christian Heil

Inventor
Marcoussis, FR

Overview

7→
Patents
1992–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 7 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 transducers50%
G03GElectrography20%
G10KSound-producing devices20%
H04SStereophonic systems10%
PatentTitleYear
11,006,211Sound broadcasting system202110,939,223Apparatus for reproducing a multi-channel audio signal and a method for producing a multi channel audio signal20219,762,996'Sound system with improved adjustable directivity'20177,751,581'Public address system with adjustable directivity'20106,889,026'Method of conveying toner from a toner refill container'20056,021,294'Toner feed means for a developer station of a printer or a photocopier'20005,163,167'Sound wave guide'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to HEIL ACOUSTICS (1)· patent assignee history
1992Based in Gometz-le-Chatel, FR· patent location history
2000–2005Based in Dorfen, DE· patent location history
2010Patents assigned to ACOUSTICS L (1)· patent assignee history
2010Based in Gometz la Ville, FR· patent location history
2017Patents assigned to L-ACOUSTICS (1)· patent assignee history
2017–2021Based in Marcoussis, FR· patent location history
2021Patents assigned to L ACOUSTICS (1)· patent assignee history
2021Patents assigned to L ACOUSTICS UK LTD (1)· patent assignee history
2021Based in London, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ACOUSTICS L12010
HEIL ACOUSTICS11992
L ACOUSTICS12021
L ACOUSTICS UK LTD12021
L-ACOUSTICS12017
Locations
LocationPatentsSpan
Marcoussis, FR22017–2021
Dorfen, DE22000–2005
London, GB12021
Gometz la Ville, FR12010
Gometz-le-Chatel, FR11992