Inventor
Daniel S. Johnston
Inventor
Trappe, PA, US
Overview
Patents· 6 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 body33%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry27%
C01BNon-metallic elements27%
B25CHand-held nailing or stapling tools7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
PatentTitleYear
10,569,004Apparatus for removing chemotherapy compounds from blood202010,369,264Apparatus for removing chemotherapy compounds from blood201910,098,997Apparatus for removing chemotherapy compounds from blood20189,707,331'Apparatus for removing chemotherapy compounds from blood'20179,541,544'Method of selecting chemotherapeutic agents for an isolated organ or regional therapy'20175,996,969'Staple removal tool'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Based in Salem, OR, US· patent location history
2017–2020Patents assigned to DELCATH SYSTEMS INC (5)· patent assignee history
2017–2020Based in Trappe, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DELCATH SYSTEMS INC | 5 | 2017–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Trappe, Pennsylvania, US | 5 | 2017–2020 |
| Salem, OR, US | 1 | 1999 |