D01
Natural or man-made threads or fibres
Official title: Natural or man-made threads or fibres; spinning
D01 (Natural or man-made threads or fibres) appears on 20,189 US grants and 15,409 published applications in this corpus.
Search patents in D01- Granted patents
- 20,189
- Published applications
- 15,409
- Assignees
- 5,685
- Inventors
- 34,014
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 428 | 0 |
| 1977 | 386 | 0 |
| 1978 | 405 | 0 |
| 1979 | 264 | 0 |
| 1980 | 292 | 0 |
| 1981 | 351 | 0 |
| 1982 | 313 | 0 |
| 1983 | 292 | 0 |
| 1984 | 324 | 0 |
| 1985 | 394 | 0 |
| 1986 | 307 | 0 |
| 1987 | 364 | 0 |
| 1988 | 328 | 0 |
| 1989 | 455 | 0 |
| 1990 | 469 | 0 |
| 1991 | 464 | 0 |
| 1992 | 487 | 0 |
| 1993 | 435 | 0 |
| 1994 | 464 | 0 |
| 1995 | 441 | 0 |
| 1996 | 450 | 0 |
| 1997 | 474 | 0 |
| 1998 | 480 | 0 |
| 1999 | 487 | 0 |
| 2000 | 438 | 0 |
| 2001 | 480 | 153 |
| 2002 | 398 | 457 |
| 2003 | 373 | 590 |
| 2004 | 388 | 538 |
| 2005 | 289 | 513 |
| 2006 | 309 | 501 |
| 2007 | 213 | 445 |
| 2008 | 216 | 491 |
| 2009 | 224 | 595 |
| 2010 | 356 | 631 |
| 2011 | 322 | 538 |
| 2012 | 310 | 479 |
| 2013 | 333 | 610 |
| 2014 | 322 | 599 |
| 2015 | 377 | 676 |
| 2016 | 408 | 662 |
| 2017 | 425 | 751 |
| 2018 | 462 | 692 |
| 2019 | 532 | 774 |
| 2020 | 540 | 842 |
| 2021 | 537 | 805 |
| 2022 | 478 | 750 |
| 2023 | 507 | 696 |
| 2024 | 609 | 691 |
| 2025 | 482 | 548 |
| 2026 | 307 | 382 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subclasses
Granted patents
- D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or11,296
- D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres6,607
- D01HSpinning or twisting3,958
- D01GPreliminary treatment of fibres2,212
- D01BMechanical treatment of natural fibrous or filamentary material to obtain fibres of355
- D01CChemical or biological treatment of natural filamentary or fibrous material to obtain118
Recent patents
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- Polytetrafluoroethylene porous fiber and manufacturing and modifying process thereof6 Oct 2026US 12,753,532 B2Shandong University
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- Multifunctional filter materials8 Oct 2026US 2026/0305741 A1Khalifa University of Science and Technology
- Elastomeric laminate(s) for absorbent article donning8 Oct 2026US 2026/0306309 A1The Procter & Gamble Company
- Non-woven of spunbonded thermoplastic filaments having improved weldability properties and method for manufacturing such a non-woven8 Oct 2026US 2026/0306698 A1Dounor SAS
- Molding Material, Method For Producing Molding Material, Molded Article, And Method For Producing Molded Article8 Oct 2026US 2026/0307302 A1Seiko Epson Corporation
- Process for converting raw bagasse into processed bagasse and processed bagasse made accordingly8 Oct 2026US 2026/0308642 A1
Most cited
By later US patents
- Drug releasing biodegradable fiber implant1,662US 6,596,296 B1Board of Regents, The University of Texas System · 2003
- Controlling the dissolution of dissolvable polymer components in plural component fibers1,447US 6,861,142 B1Hills, Inc. · 2005
- Hydrophilic polypropylene fibers having antimicrobial activity1,367US 6,762,339 B13M Innovative Properties Company · 2004
- Implantable fibers and medical articles1,319US 6,162,537 ASolutia Inc. · 2000
- Vascular closure device1,319US 8,790,684 B2Cordis Corporation · 2014