Inventor
Robert Cushing Hamlen
Inventor
St. Paul, MN, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Mprimary
A61MDevices for introducing media into, or onto, the body38%
F04DNon-positive-displacement pumps13%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
Y10TTechnical subjects covered by former us classification13%
A61BDiagnosis6%
B01DSeparation6%
PatentTitleYear
6,915,157'Implantable medical device for assessing heart failure state from Mechanical Pulsus Alternans'20056,551,290'Catheter for target specific drug delivery'20036,293,752'Junction for shears sensitive biological fluid paths'20015,971,023'Junction for shear sensitive biological fluid paths'19995,922,202'Inlet manifold for blood oxygenator apparatus'19995,906,741'Outlet manifold for blood oxygenator apparatus'19995,858,233'Transition manifold for blood oxygenator apparatus'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2005Patents assigned to MEDTRONIC INC (6)· patent assignee history
1999–2001Based in St. Paul, MN, US· patent location history
2003–2005Based in Edina, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MEDTRONIC INC | 6 | 1999–2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Paul, Minnesota, US | 5 | 1999–2001 |
| Edina, Minnesota, US | 2 | 2003–2005 |