Inventor
JOHN BLUM
Inventor
US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Dprimary
A47DFurniture specially adapted for children25%
A61FFilters implantable into blood vessels25%
G01NInvestigating or analysing materials by determining their chemical or physical properties25%
G01SRadio direction-finding25%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2024Patents assigned to EXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY (1)· patent assignee history
2024–2026Based in US· patent location history
2025Patents assigned to CONVATEC TECHNOLOGIES INC (1)· patent assignee history
2026Patents assigned to BLUM JOHN (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BLUM JOHNself | 1 | 2026 |
| CONVATEC TECHNOLOGIES INC | 1 | 2025 |
| EXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY | 1 | 2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 3 | 2024–2026 |