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Inventor

Alfred Hans Unden

Inventor
Owens Cross Roads, AL, US

Overview

3→
Patents
2011–2016
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G01Sprimary
G01SRadio direction-finding50%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes25%
G08BSignalling systems, e.g. personal calling systems25%
PatentTitleYear
9,285,453'Method of near-field electromagnetic ranging and location'20168,599,011'Firefighter location and rescue equipment employing path comparison of mobile tags'20138,018,383'Method and apparatus for determining location using signals-of-opportunity'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2016Patents assigned to Q TRACK CORP (3)· patent assignee history
2011–2016Based in Owens Cross Roads, AL, US· patent location history
2013–2016Patents assigned to SCHANTZ HANS GREGORY (2)· patent assignee history
2013–2016Patents assigned to UNDEN ALFRED HANS (2)· patent assignee history
2013Patents assigned to DELLA SILVA CLARK DAVID (1)· patent assignee history
2016Patents assigned to DEPIERRE ROBERT EDWARD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
Q TRACK CORP32011–2016
SCHANTZ HANS GREGORY22013–2016
UNDEN ALFRED HANSself22013–2016
DELLA SILVA CLARK DAVID12013
DEPIERRE ROBERT EDWARD12016
Locations
LocationPatentsSpan
Owens Cross Roads, AL, US32011–2016