Patents
US 8251103 B2: Papermaker's forming fabric with engineered drainage channels
- Granted
- 2012-08-28
- Filed
- 2010-10-29 application 12915490
- Type
- Utility · 10 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A papermaking forming fabric includes: a set of top MD yarns; a set of top CMD yarns interwoven with the top MD yarns to form a top fabric layer; a set of bottom MD yarns; a set of bottom CMD yarns interwoven with the bottom MD yarns to form a bottom fabric layer; and a set of binding yarns that interweaves with and binds together the top and bottom fabric layers. The fabric has a Channel Factor (CF) of greater than 2.0, the CF being defined in Equation (1) as:CF=(PSMW/PSML)×(SOA % PS/SOA % RS) (1)
Source: PVGPATDIS, file of 2026-04-10 (ipg120828.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Weavexx Corporation 5 patents | US company or organization | Wake Forest, NC | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Oliver Baumann | Gomaringen, DE | 12 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| D21F | Paper-making machines; methods of producing paper thereon | D21F1/0045 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2018-10-29 | Release of security interest Release of security interest | U.S. BANK NATIONAL ASSOCIATION signed 2018-10-29 | WEAVEXX, LLC YOUNGSVILLE, NC | 47345/74 | ECORSEXC, file of 2026-09-25 |
| 2018-10-18 | Release of security interest Release of security interest | JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT signed 2018-10-17 | WEAVEXX, LLC RALEIGH, NC | 47214/682 | ECORSEXC, file of 2026-09-25 |
| 2016-08-09 | Release of security interest Release of security interest | JEFFERIES FINANCE LLC signed 2016-08-09 | WEAVEXX, LLC YOUNGSVILLE, NC | 39637/771 | ECORSEXC, file of 2026-09-25 |
| 2016-08-09 | Security interest Security interest Security interest | WEAVEXX, LLC signed 2016-08-09 | U.S. BANK NATIONAL ASSOCIATION CHARLOTTE, NC | 39387/905 | ECORSEXC, file of 2026-09-25 |
| 2015-11-04 | Release of security interest Release of security interest | PNC BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT signed 2015-11-03 | WEAVEXX, LLC RALEIGH, NC | 37044/59 | ECORSEXC, file of 2026-09-25 |
| 2015-11-04 | Security interest Security interest Security interest | WEAVEXX, LLC signed 2015-11-03 | JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT ATLANTA, GA | 36960/944 | ECORSEXC, file of 2026-09-25 |
| 2013-05-17 | Security interest Security interest Grant of security interest | WEAVEXX, LLC signed 2013-05-17 | JEFFERIES FINANCE LLC NEW YORK, NY | 30427/555 | ECORSEXC, file of 2026-09-25 |
| 2013-05-17 | Security interest Security interest Grant of security interest | WEAVEXX, LLC signed 2013-05-17 | PNC BANK NATIONAL ASSOCIATION PITTSBURG, PA | 30427/542 | ECORSEXC, file of 2026-09-25 |
| 2011-01-06 | Assignment Assignment of assignor's interest | BAUMANN, OLIVER signed 2010-12-21 | WEAVEXX CORPORATION WAKE FOREST, NC | 25594/260 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.