Description
Class D21F : PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
Subclass 1/30: Wet end of machines for making continuous webs of paper Protecting wire-cloths from mechanical damage
D21F 1/30
Sub-Class
Stats
- 10 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 6 Total Patent Owners
- 35 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11525213 | Edge protector for a papermachine clothing | Dec 09, 19 | Dec 13, 22 | Voith Patent GmbH |
| 10577744 | Fabric with contaminant resistant nanoparticle coating and method of in situ application | Feb 06, 17 | Mar 03, 20 | AstenJohnson Inc. |
| 10273631 | Method of spraying chemical solution | Mar 20, 15 | Apr 30, 19 | Maintech Co. Ltd. |
| 9937521 | Method for spraying chemical solution | Mar 04, 14 | Apr 10, 18 | Maintech Co. Ltd. |
| 9856398 | Method for controlling deposits on papermaking surfaces | Dec 17, 15 | Jan 02, 18 | DUBOIS CHEMICALS, INC. |
| 9797091 | Felt conditioner and cleaner | Nov 24, 15 | Oct 24, 17 | Buckman Laboratories International, Inc. |
| 9562319 | Papermaking fabrics with contaminant resistant nanoparticle coating and method of in situ application | Sep 01, 10 | Feb 07, 17 | ASTENJOHNSON, INC. |
| 8956449 | Non-curable coating composition | Apr 01, 11 | Feb 17, 15 | DOW CORNING TORAY CO., LTD. |
| 8524042 | Method of treating paper forming wire surface | Aug 22, 11 | Sep 03, 13 | SOLENIS TECHNOLOGIES, L.P. |
| 6740203 | Papermaker's nip thickener fabric | Feb 15, 02 | May 25, 04 | ALBANY INTERNATIONAL CORP. |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 33 Months (last 2 years Issuances)
- 33 Months (last 5 years Issuances)