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Inventor

Ursula Ruth Lenel

Inventor
Cambridge, GB

Overview

4→
Patents
2004–2007
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H10Nprimary
H10NElectric solid-state devices not otherwise provided for27%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers18%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%
G01DMeasuring not specially adapted for a specific variable9%
G02BOptical elements, systems or apparatus9%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them9%
H04NPictorial communication, e.g. television9%
PatentTitleYear
7,224,813'Loudspeaker using an electro-active device'20077,069,795'Sensor using electro active curved helix and double helix'20067,068,930'Camera lens positioning using a electro-active device'20066,833,656'Electro active devices'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2007Patents assigned to 1 LTD (4)· patent assignee history
2004Based in Herfordshire, GB· patent location history
2006Based in Cambridge, GB· patent location history
2007Based in Hertfordshire, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
1 LTD42004–2007
Locations
LocationPatentsSpan
Cambridge, GB22006
Hertfordshire, GB12007
Herfordshire, GB12004