Inventor
Risto Penttinen
Inventor
Turku, FI
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B65Gprimary
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors33%
A61KPreparations for medical, dental or toiletry purposes17%
A61LMethods or apparatus for sterilising materials or objects in general17%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%
F17CVessels for containing or storing compressed, liquefied or solidified gases17%
PatentTitleYear
7,112,339'Compositions for controlled release of a biologically active agent, and the preparation thereof'20066,991,802'Multilayered material bearing a biologically active agent and the preparation thereof'20065,030,032'Apparatus for producing water seal in protective tube of the submersed pump of gas cistern'19914,827,992'Method for conducting a fluid into a rock cistern'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1991Patents assigned to NESTE OY (2)· patent assignee history
1989–1991Based in Porvoo, FI· patent location history
2006Patents assigned to DELSITECH OY (2)· patent assignee history
2006Based in Turku, FI· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DELSITECH OY | 2 | 2006 |
| NESTE OY | 2 | 1989–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Turku, FI | 2 | 2006 |
| Porvoo, FI | 2 | 1989–1991 |