Description
TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
D21D
Technology
Sub-Class
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- 3 63 US PATENTS IN FORCE
- 32 US APPLICATIONS PENDING
- 213 Total Patent Owners
- 692 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 1/00 | Methods of beating or refining; Beaters of the Hollander type (knotter screens D21F) |
| 1/02 | Methods of beating or refining; Beaters of the Hollander type (knotter screens D21F) Methods of beating; Beaters of the Hollander type |
| 1/04 | Methods of beating or refining; Beaters of the Hollander type (knotter screens D21F) Methods of beating; Beaters of the Hollander type Beater rolls or bars |
| 1/06 | Methods of beating or refining; Beaters of the Hollander type (knotter screens D21F) Methods of beating; Beaters of the Hollander type Bed plates |
| 1/08 | Methods of beating or refining; Beaters of the Hollander type (knotter screens D21F) Methods of beating; Beaters of the Hollander type Beaters with means for driving the pulp quickly |
Recent Patents
Not AvailableRecent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2015/0240,417 | SHEET MANUFACTURING APPARATUS | Feb 18, 15 | Aug 27, 15 | SEIKO EPSON CORPORATION |
| 2015/0240,418 | SHEET MANUFACTURING APPARATUS AND SHEET MANUFACTURING METHOD | Feb 18, 15 | Aug 27, 15 | SEIKO EPSON CORPORATION |
| 2015/0233,051 | PSEUDOMONAS FLUORESCENS CGMCC#5974 AND ITS APPLICATION THEREOF | Sep 16, 13 | Aug 20, 15 | BEIJING TIAN'AN BIOSCIENCE &TECHNOLOGY CO., LTD |
Top Owners in This Class
Top Owners in This Subclass
Applications Filed in This Class - By Year
Applications Filed in This Subclass - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 35 Months (last 2 years Issuances)
- 35 Months (last 5 years Issuances)
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