Inventor
Douglas A. Kieper
Inventor
Seattle, WA, US
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis28%
F16KValves17%
Y10TTechnical subjects covered by former us classification17%
G01TMeasurement of nuclear or x-radiation10%
A61NElectrotherapy7%
E03FSewers7%
LOC237%
F16LPipes3%
G21FProtection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment3%
PatentTitleYear
9,844,355Opposed view and dual head detector apparatus for diagnosis and biopsy with image processing methods20179,261,215'Coupling'2016D0729354'Flange'2015D0729355'Flange'20158,855,748'Opposed view and dual head detector apparatus for diagnosis and biopsy with image processing methods'20148,311,617'Opposed view and dual head detector apparatus for diagnosis and biopsy with image processing method'20128,249,693'Gamma guided stereotactic localization system'2012RE043499'Method to improve cancerous lesion detection sensitivity in a dedicated dual-head scintimammography system'20128,200,316'Opposed view and dual head detector apparatus for diagnosis and biopsy with image processing methods'20128,133,167'Apparatus and method for radiation distribution mapping'20127,711,409'Opposed view and dual head detector apparatus for diagnosis and biopsy with image processing methods'20107,662,083'Apparatus and method for brachytherapy radiation distribution mapping'20107,444,009'Method to improve cancerous lesion detection sensitivity in a dedicated dual-head scintimammography system'20086,429,432'Gamma radiation isolation shield and method of use'20025,785,074'Vented ball valve with lock-out ring'19985,775,365'Flood protection sewer backflow control valve and adapter assembly'19985,577,531'Flood protection sewer backflow control valve and adapter assembly'19965,427,135'Valve lock'1995D0358455'Valve lock'19955,360,036'Vented ball valve with lock-out ring'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2016Patents assigned to NIBCO (9)· patent assignee history
1994–1998Based in Finchville, KY, US· patent location history
2002–2012Patents assigned to DILON TECHNOLOGIES INC (2)· patent assignee history
2002Based in Norfolk, VA, US· patent location history
2008Based in Newport News, VA, US· patent location history
2010–2014Patents assigned to UNIV HAMPTON (6)· patent assignee history
2010–2017Based in Seattle, WA, US· patent location history
2012Patents assigned to KEPPEL CYNTHIA (3)· patent assignee history
2012Patents assigned to KIEPER DOUGLAS (3)· patent assignee history
2015–2016Based in Sellersburg, IN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIBCO | 9 | 1994–2016 |
| UNIV HAMPTON | 6 | 2010–2014 |
| KEPPEL CYNTHIA | 3 | 2012 |
| KIEPER DOUGLASself | 3 | 2012 |
| DILON TECHNOLOGIES INC | 2 | 2002–2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seattle, Washington, US | 9 | 2010–2017 |
| Finchville, KY, US | 5 | 1994–1998 |
| Sellersburg, IN, US | 3 | 2015–2016 |
| Newport News, Virginia, US | 1 | 2008 |
| Norfolk, Virginia, US | 1 | 2002 |