Description
Class D21F : PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
Subclass 1/16: Wet end of machines for making continuous webs of paper Wire-cloths Seams thereof sewn
D21F 1/16
Sub-Class
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 1 Total Patent Owners
- 6 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 7029555 | Diagonally joined cylindrical fabric and manufacturing method thereof | Nov 12, 03 | Apr 18, 06 | NIPPON FILCON CO., LTD. |
Recent Publications
Not Available
Top Owners in This Subclass
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 29 Months (last 2 years Issuances)
- 29 Months (last 5 years Issuances)