Inventor
Antti Suonpera
Inventor
Jyvaskyla, FI
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Fprimary
D21FPaper-making machines50%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests30%
B01DSeparation10%
D21DTreatment of the materials before passing to the paper-making machine10%
PatentTitleYear
6,494,993'Multi-layer web formation by means of a simple basic-stock system'20026,416,632'Apparatus for degassing an aqueous suspension containing pulp fibers'20026,270,624'Stock feed system for a multi-layer headbox and method in the operation of a multi-layer headbox'20016,267,845'Process arrangement for the short circulation in a paper or board machine'20016,190,504'Method and arrangement for circulating water in a paper machine'20015,968,317'Method for arranging water circulation in a paper mill'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2001Patents assigned to VALMET CORP (3)· patent assignee history
1999–2001Based in Jyvaskyla, FI· patent location history
2001Patents assigned to VALMET PAPER MACHINERY INC (1)· patent assignee history
2002Patents assigned to METSO PAPER INC (2)· patent assignee history
2002Based in Jyvskyl, FI· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| VALMET CORP | 3 | 1999–2001 |
| METSO PAPER INC | 2 | 2002 |
| VALMET PAPER MACHINERY INC | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Jyvaskyla, FI | 4 | 1999–2001 |
| Jyvskyl, FI | 2 | 2002 |