Description
Class D21F : PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
Subclass 1/22: Wet end of machines for making continuous webs of paper Shaking-apparatus for wire-cloths and associated parts in cylinder machines
D21F 1/22
Sub-Class
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 0 Total Patent Owners
- 1 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11807985 | Web transportation apparatus and fiber article producing apparatus | Sep 06, 22 | Nov 07, 23 | SEIKO EPSON CORPORATION |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 14 Months (last 2 years Issuances)
- 14 Months (last 5 years Issuances)