LexDanaLexDanabeta
Inventor

David Thomas Dubberstein

Inventor
Waukesha, WI, US

Overview

10→
Patents
2000–2011
Patent span
Physics
Primary field (CPC G)

Patents· 10 as inventor

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

G01Sprimary
G01SRadio direction-finding53%
A61BDiagnosis29%
G10KSound-producing devices12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
8,036,856'Method and apparatus for automatically adjusting spectral doppler gain'20117,846,099'Apparatus, system, and method for providing a continuous scanning sequence for ultrasound imaging'20107,670,293'Method and system for scan sequencing in an ultrasound imaging system'20107,153,268'Motion adaptive frame averaging for ultrasound doppler color flow imaging'20067,118,532'Data dependent color wall filters'20066,979,295'Automatic color gain adjustments'20056,443,897'Refraction delay error correction using agile beamformer'20026,267,725'Individual channel analog wall filtering to improve flow sensitivity in ultrasound imaging'20016,221,022'Multiple transmit scanning to increase ultrasonic frame rate'20016,159,153'Methods and systems for ultrasound scanning using spatially and spectrally separated transmit ultrasound beams'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to UNIV DUKE (1)· patent assignee history
2000–2002Based in Hales Corners, WI, US· patent location history
2001–2011Patents assigned to GEN ELECTRIC (6)· patent assignee history
2001Patents assigned to G E MEDICAL SYSTEMS GLOBAL TEC (1)· patent assignee history
2002–2005Patents assigned to GE MED SYS GLOBAL TECH CO LLC (2)· patent assignee history
2005Based in Waukasha, WI, US· patent location history
2006–2011Based in Waukesha, WI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC62001–2011
GE MED SYS GLOBAL TECH CO LLC22002–2005
G E MEDICAL SYSTEMS GLOBAL TEC12001
UNIV DUKE12000
Locations
LocationPatentsSpan
Waukesha, WI, US52006–2011
Hales Corners, WI, US42000–2002
Waukasha, WI, US12005