D01D 5/20
Formation of filaments, threads, or the like: with varying denier along their
Official title: with varying denier along their length
D01D5/20 (Formation of filaments, threads, or the like: with varying denier along their) appears on 65 US grants and 45 published applications in this corpus.
Search patents in D01D- Granted patents
- 65
- Published applications
- 45
- Assignees
- 52
- Inventors
- 174
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 4 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 1 |
| 2015 | 0 | 3 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 7 |
| 2019 | 1 | 1 |
| 2020 | 4 | 3 |
| 2021 | 1 | 5 |
| 2022 | 3 | 5 |
| 2023 | 5 | 1 |
| 2024 | 1 | 2 |
| 2025 | 2 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fiber11 Aug 2026US 12,703,931 B2OceanSafe AG
- Process of changing cross sectional shape within a textile10 Feb 2026US 12,544,972 B2Atex Technologies, Inc.
- Nonwoven material, use of the nonwoven material, and wiping cloth, dryer sheet and face mask containing the nonwoven material11 Nov 2025US 12,467,169 B2Lenzing Aktiengesellschaft
- Method of making a microfiber including biomass22 Jul 2025US 12,366,010 B2Rensselaer Polytechnic Institute
- Method to provide multifilament bundles of melt spun polymer filaments24 Dec 2024US 12,173,429 B2Aladdin Manufacturing Corporation
- Methods and systems for producing beaded polymeric fibers with advanced thermoregulating properties23 Oct 2025US 2025/0327213 A1Rensselaer Polytechnic Institute
- Method to provide multifilament bundles of melt spun polymer filaments27 Feb 2025US 2025/0066952 A1Aladdin Manufacturing Corporation
- Fiber21 Nov 2024US 2024/0384443 A1OceanSafe AG
- Nonwoven material, use of the nonwoven material, and wiping cloth, dryer sheet and face mask containing the nonwoven material29 Feb 2024US 2024/0068140 A1Lenzing Aktiengesellschaft
- Bi- or multicomponent fibres for large composite parts1 Jun 2023US 2023/0167023 A1ETH Zurich
Most cited
By later US patents
- Fiber reinforced building products and method of producing same80US 4,261,754 ADansk Eternit-Fabrik A/S · 1981
- Dialysis membrane of cellulose in the shape of a hollow fiber, and process for the production thereof67US 4,933,084 AAkzo N. V. · 1990
- Liquid retaining synthetic fiber, process for producing the same, and products35US 4,381,325 AToray Industries, Inc. · 1983
- Self-retaining suture with variable dimension filament and method34US 8,641,732 B1Ethicon, Inc. · 2014
- Yarn having a basis of polyester with irregular titer32US 3,958,406 ARhone-Poulenc-Textile · 1976