Y10T 442/614
Strand or fiber material specified as having microdimensions [i.e., microfiber]
Y10T442/614 (Strand or fiber material specified as having microdimensions [i.e., microfiber]) appears on 851 US grants and 679 published applications in this corpus.
Search patents in Y10T- Granted patents
- 851
- Published applications
- 679
- Assignees
- 356
- Inventors
- 1,751
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 13 | 0 |
| 1988 | 20 | 0 |
| 1989 | 15 | 0 |
| 1990 | 18 | 0 |
| 1991 | 11 | 0 |
| 1992 | 16 | 0 |
| 1993 | 18 | 0 |
| 1994 | 22 | 0 |
| 1995 | 19 | 0 |
| 1996 | 25 | 0 |
| 1997 | 29 | 0 |
| 1998 | 40 | 0 |
| 1999 | 41 | 0 |
| 2000 | 26 | 0 |
| 2001 | 23 | 15 |
| 2002 | 21 | 47 |
| 2003 | 26 | 73 |
| 2004 | 46 | 68 |
| 2005 | 23 | 55 |
| 2006 | 26 | 61 |
| 2007 | 26 | 43 |
| 2008 | 24 | 45 |
| 2009 | 27 | 41 |
| 2010 | 35 | 48 |
| 2011 | 45 | 37 |
| 2012 | 34 | 40 |
| 2013 | 37 | 33 |
| 2014 | 32 | 22 |
| 2015 | 21 | 21 |
| 2016 | 11 | 5 |
| 2017 | 9 | 7 |
| 2018 | 11 | 1 |
| 2019 | 4 | 4 |
| 2020 | 5 | 5 |
| 2021 | 3 | 2 |
| 2022 | 4 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 4 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- Y10T 442/626Microfiber is synthetic polymer265
- Y10T 442/615Strand or fiber material is blended with another chemically different microfiber in135
- Y10T 442/619Including other strand or fiber material in the same layer not specified114
- Y10T 442/621Including other strand or fiber material in a different layer not specified102
- Y10T 442/622Microfiber is a composite fiber93
- Y10T 442/623Microfiber is glass67
- Y10T 442/625Autogenously bonded66
- Y10T 442/62Including another chemically different microfiber in a separate layer47
All 9 subgroupsShow fewer
Recent patents
- Biocompatible nanofiber adhesive30 Dec 2025US 12,509,800 B2Vitaloc Ltd
- Serially deposited fiber materials and associated devices and methods14 Oct 2025US 12,440,606 B2Merit Medical Systems, Inc.
- Nonwoven fabric including fibers formed from post-consumer recycled plastic19 Aug 2025US 12,392,065 B2Magnera Corporation
- Method of making a microfiber including biomass22 Jul 2025US 12,366,010 B2Rensselaer Polytechnic Institute
- Filter medium and breather filter structure24 Dec 2024US 12,172,111 B2Donaldson Company, Inc.
- Serially deposited fiber materials and associated devices and methods5 Mar 2026US 2026/0061099 A1Merit Medical Systems, Inc.
- Nonwoven Fabric Including Fibers Formed from Post-Consumer Recycled Plastic30 Oct 2025US 2025/0333886 A1Magnera Corporation
- Methods and systems for producing beaded polymeric fibers with advanced thermoregulating properties23 Oct 2025US 2025/0327213 A1Rensselaer Polytechnic Institute
- Filter medium and breather filter structure18 May 2023US 2023/0149840 A1Donaldson Company, Inc.
- Methods and systems for producing beaded polymeric fibers with advanced thermoregulating properties11 Aug 2022US 2022/0251731 A1Rensselaer Polytechnic Institute
Most cited
By later US patents
- Nonwoven fabric and method of producing same1,280US 4,100,324 AKimberly-Clark Corporation · 1978
- Melt-blown fibrous web1,019US 5,582,907 APall Corporation · 1996
- Polyolefin-containing extrudable compositions and methods for their formation into elastomeric products including microfibers991US 4,663,220 AKimberly-Clark Corporation · 1987
- Nonwoven thermoplastic fabric751US 4,041,203 AKimberly-Clark Corporation · 1977
- Soft nonwoven fabric of filaments506US 5,108,820 AMitsui Petrochemical Industries, Ltd. · 1992