LexDanaLexDanabeta
Inventor

Daniel W. Clark

Inventor
San Diego, CA, US

Overview

13→
Patents
1995–2020
Patent span
Physics
Primary field (CPC G)

Patents· 13 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G05Bprimary
G05BControl or regulating systems in general31%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers31%
LOC1423%
G06FElectric digital data processing8%
H04LTransmission of digital information, e.g. telegraphic communication8%
PatentTitleYear
10,764,672Over-ear headphone with hinge-free headband202010,631,098Planar magnetic loudspeaker airflow system2020D0855579Ear cup coupler for an over ear headphone201910,178,459Loudspeaker with acoustic impedance system20199,854,364Knurled speaker diaphragm20179,548,867'Method and apparatus for secure distribution of embedded firmware'20179,092,023'Industrial controller using shared memory multicore architecture'20158,219,221'Industrial controller using shared memory multicore architecture'20128,219,220'Industrial controller using shared memory multicore architecture'20128,108,056'Industrial controller using shared memory multicore architecture'2012D0399197'User interface for a front control panel for microprocessor'1998D0385871'Front control panel for a microprocessor'1997D0365554'Front control panel for a microprocessor'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1998Based in Paducah, KY, US· patent location history
2012–2017Patents assigned to ROCKWELL AUTOMATION TECH INC (5)· patent assignee history
2012–2015Patents assigned to CLARK DANIEL W (4)· patent assignee history
2012–2015Patents assigned to GRGIC RICHARD J (4)· patent assignee history
2012–2015Patents assigned to KAY JAMES J (4)· patent assignee history
2012–2015Based in Mayfield Heights, OH, US· patent location history
2017–2020Patents assigned to MrSpeakers LLC (5)· patent assignee history
2017–2020Based in San Diego, CA, US· patent location history
2017Based in Chardon, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MrSpeakers LLC52017–2020
ROCKWELL AUTOMATION TECH INC52012–2017
CLARK DANIEL Wself42012–2015
GRGIC RICHARD J42012–2015
KAY JAMES J42012–2015
Locations
LocationPatentsSpan
San Diego, California, US52017–2020
Mayfield Heights, OH, US42012–2015
Paducah, KY, US31995–1998
Chardon, OH, US12017