Description
Class D01D : MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS
Subclass 4/00: Spinnerette packs; Cleaning thereof (D01D 5/24, D01D 5/253, D01D 5/28 take precedence)
D01D 4/00
Sub-Class
Stats
- 10 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- 6 Total Patent Owners
- 57 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12180628 | Multilayered nonwoven fabric containing submicron fibers, a method of manufacture, an apparatus, and articles made from multilayered nonwoven fabrics | Dec 22, 23 | Dec 31, 24 | Not available |
| 12098488 | Multilayered nonwoven fabric containing submicron fibers, a method of manufacture, an apparatus, and articles made from multilayered nonwoven fabrics | Nov 17, 20 | Sep 24, 24 | Not available |
| 11047051 | Large scale manufacturing of hybrid nanostructured textile sensors | Oct 18, 18 | Jun 29, 21 | Nanowear Inc. |
| 10662551 | Spinning beam for producing melt-spun filaments | Nov 18, 15 | May 26, 20 | Truetzschler GmbH & Co. KG |
| 10633769 | Method for producing filaments of polyacrylonitrile and extrusion head for carrying out said method | Dec 14, 15 | Apr 28, 20 | Not available |
| 7922943 | Method and device for producing substantially endless fine threads | Dec 21, 01 | Apr 12, 11 | Not available |
| 6428891 | Acrylonitrile-based precursor fiber for carbon fiber and method for production thereof | Jan 22, 01 | Aug 06, 02 | MITSUBISHI CHEMICAL CORPORATION |
| 6371751 | Spinnerets with orifices for improved filament cross-sections | Jan 03, 97 | Apr 16, 02 | INVISTA NORTH AMERICA S.A.R.L. |
| 5968435 | Process for manufacturing pitch-type carbon fiber | Apr 23, 98 | Oct 19, 99 | NIPPON MITSUBISHI OIL CORPORATION, NIPPON STEEL CORPORATION, Nippon Graphite Fiber Corporation, |
| 5733492 | Spinneret of gold and platinum-containing alloy | Jul 30, 96 | Mar 31, 98 | TEIJIN TWARON B.V. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0116,042 | ENHANCED FLASH EVAPORATION/ELECTROSPINNING COMPOSITE SPINNING EQUIPMENT | Feb 24, 23 | Apr 10, 25 | Shanghai Xunjiang Technology Co., Ltd. |
| 2025/0043,466 | AN APPARATUS FOR IMPROVED COAGULATION INJECTION DURING THE MANUFACTURE OF POLYMER FIBERS, AND METHOD OF USE THEREOF | Sep 12, 22 | Feb 06, 25 | 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)