Inventor
Jan Drenthen
Inventor
Oosterbout, NL
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Fprimary
G01FMeasuring volume, volume flow, mass flow or liquid level57%
G01NInvestigating or analysing materials by determining their chemical or physical properties29%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock14%
PatentTitleYear
10,359,410Measuring rod for verification of a flowing medium in a tube and respective measuring arrangements20199,010,196'Flow-rate measurement system'20155,546,812'Method and device for determining characteristics of the flow of a medium'19964,831,884'Device for determining the flow velocity of a medium in a cylindrical conduit'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1996Patents assigned to SERVEX BV (2)· patent assignee history
1989Based in Oud-Beijerland, NL· patent location history
1996Based in Mijnsheerenland, NL· patent location history
2015Patents assigned to KROHNE AG (1)· patent assignee history
2015Based in Oosterhout, NL· patent location history
2019Patents assigned to KROHNE MESSTECHNIK GMBH (1)· patent assignee history
2019Based in Oosterbout, NL· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SERVEX BV | 2 | 1989–1996 |
| KROHNE AG | 1 | 2015 |
| KROHNE MESSTECHNIK GMBH | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oosterbout, NL | 1 | 2019 |
| Oosterhout, NL | 1 | 2015 |
| Mijnsheerenland, NL | 1 | 1996 |
| Oud-Beijerland, NL | 1 | 1989 |