Description
Class D21F : PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
Subclass 1/14: Wet end of machines for making continuous webs of paper Wire-cloths Seams thereof welded
D21F 1/14
Sub-Class
Stats
- 3 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 1 Total Patent Owners
- 10 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11351491 | Antimicrobial composite filtering material and method for making the same | Oct 30, 19 | Jun 07, 22 | KX Technologies, LLC |
| 11072889 | Clothing for a machine for producing a fibrous web and method for producing a clothing of this type | May 30, 17 | Jul 27, 21 | Voith Patent GmbH |
| 7892400 | High defiberization chip pretreatment apparatus | Nov 19, 07 | Feb 22, 11 | ANDRITZ INC. |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 39 Months (last 2 years Issuances)
- 39 Months (last 5 years Issuances)