Class D01D : MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS
Subclass 1/09: Treatment of filament-forming or like material (working of plastics or substances in a plastic state, in general B29) Feeding liquid to the spinning head (constructions of pumps F04) Pressure, temperature or feeding rate regulation
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12234574 | Pressure-balancing feed-in container arrangement and method for feeding material | Jan 29, 21 | Feb 25, 25 | Aalto University Foundation sr |
| 12173429 | Method to provide multifilament bundles of melt spun polymer filaments | Nov 22, 19 | Dec 24, 24 | Aladdin Manufacturing Corporation |
| 12104282 | Spandex fiber dry spinning component and spinning part | May 11, 23 | Oct 01, 24 | Zhengzhou Zhongyuan Spandex Eng. Tech Co., Ltd |
| 12031234 | System and method of dosing a polymer mixture with a first solvent, device, system and method of extracting solvent from at least one polymeric yarn, system and method of mechanical pre-recovery of at least one liquid in at least one polymeric yarn, and continuous system and method for producing at least one polymeric yarn | Oct 02, 23 | Jul 09, 24 | Braskem America, Inc. |
| 11976385 | System and method of dosing a polymer mixture with a first solvent, device, system and method of extracting solvent from at least one polymeric yarn, system and method of mechanical pre-recovery of at least one liquid in at least one polymeric yarn, and continuous system and method for producing at least one polymeric yarn | Mar 20, 20 | May 07, 24 | Braskem America, Inc. |
| 11970788 | System and method of dosing a polymer mixture with a first solvent, device, system and method of extracting solvent from at least one polymeric yarn, system and method of mechanical pre-recovery of at least one liquid in at least one polymeric yarn, and continuous system and method for producing at least one polymeric yarn | Mar 20, 20 | Apr 30, 24 | Braskem America, Inc. |
| 11926928 | Electrospinning method and apparatus | Sep 20, 19 | Mar 12, 24 | Innovative Mechanical Engineering Technologies B.V |
| 11866849 | System and method of dosing a polymer mixture with a first solvent, device, system and method of extracting solvent from at least one polymeric yarn, system and method of mechanical pre-recovery of at least one liquid in at least one polymeric yarn, and continuous system and method for producing at least one polymeric yarn | Mar 20, 20 | Jan 09, 24 | Braskem America, Inc. |
| 11427937 | Handheld/portable apparatus for the production of microfibers, submicron fibers and nanofibers | Feb 19, 20 | Aug 30, 22 | The Board of Regents of The University of Texas System |
| 11124895 | System and method for measuring out a polymer and first solvent mixture, device, system and method for extracting a solvent from at least one polymer strand, system and method for mechanically pre-recovering at least one liquid from at least one polymer strand, and a continuous system and method for the production of at least one polymer strand | Oct 29, 14 | Sep 21, 21 | Braskem America, Inc. |
| 10344399 | Gel-electrospinning process for preparing high-performance polymer nanofibers | Oct 11, 16 | Jul 09, 19 | Massachusetts Institute of Technology |
| 8871124 | Method for producing a filament yarn from an aromatic polyamide | Feb 12, 10 | Oct 28, 14 | TEIJIN ARAMID B.V. |
| 6270706 | Methods of forming or treating an article or preform | Apr 24, 98 | Aug 07, 01 | AIRBUS OPERATIONS LIMITED, BRITISH AEROSPACE AIRBUS LIMITED, |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0066,952 | METHOD TO PROVIDE MULTIFILAMENT BUNDLES OF MELT SPUN POLYMER FILAMENTS | Nov 11, 24 | Feb 27, 25 | Not available |
| 2025/0051,968 | SYSTEMS AND METHODS FOR PRODUCING A BUNDLE OF FILAMENTS AND/OR A YARN | Dec 02, 22 | Feb 13, 25 | Not available |
| 2025/0011,973 | SYSTEMS & METHODS FOR PRODUCING A BUNDLE OF A COMBINATION OF FILAMENTS AND/OR A YARN | Sep 20, 24 | Jan 09, 25 | Not available |
| 2024/0309,559 | A METHOD FOR PROVIDING A FILTERED SPINNING DOPE | Jul 08, 22 | Sep 19, 24 | Not available |
| 2023/0366,127 | ASSEMBLY COMPRISING A CENTER-FLUID DISTRIBUTOR AND A MULTI-FIBER SPINNERET | Sep 21, 21 | Nov 16, 23 | Not available |
| 2022/0112,626 | ELECTROSPINNING METHOD AND APPARATUS | Sep 20, 19 | Apr 14, 22 | Innovative Mechanical Engineering Technologies B.V |
| 2020/0347,532 | Melt-Blown Non-Woven Filter Material | Aug 24, 18 | Nov 05, 20 | Not available |
| 2020/0173,058 | METHOD FOR OBTAINING VISCOSE FILAMENT RAYON WITH CYCLICALLY VARYING LINEAR DENSITY CALLED "FLAME" RAYON, AN INSTALLATION FOR THE REALIZATION OF THIS METHOD, AND A PRODUCT, OBTAINED USING THIS METHOD AND THIS INSTALLATION | Jun 26, 18 | Jun 04, 20 | E. MIROGLIO JOINT- STOCK COMPANY |
| 2019/0233,970 | Process for Making an Article of Manufacture | Jan 17, 19 | Aug 01, 19 | The Procter & Gamble Company |
| 2018/0291,526 | SPANDEX FIBER DRY SPINNING COMPONENT AND SPINNING PART | Dec 04, 14 | Oct 11, 18 | Not available |
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