D01F 6/92
Of polyesters
Official title: of polyesters
D01F6/92 (Of polyesters) appears on 448 US grants and 527 published applications in this corpus.
Search patents in D01F- Granted patents
- 448
- Published applications
- 527
- Assignees
- 315
- Inventors
- 1,363
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 18 | 0 |
| 2000 | 15 | 0 |
| 2001 | 21 | 3 |
| 2002 | 10 | 20 |
| 2003 | 15 | 17 |
| 2004 | 16 | 28 |
| 2005 | 14 | 15 |
| 2006 | 8 | 16 |
| 2007 | 5 | 17 |
| 2008 | 6 | 21 |
| 2009 | 1 | 16 |
| 2010 | 9 | 23 |
| 2011 | 9 | 14 |
| 2012 | 10 | 23 |
| 2013 | 13 | 19 |
| 2014 | 8 | 13 |
| 2015 | 11 | 22 |
| 2016 | 12 | 18 |
| 2017 | 10 | 19 |
| 2018 | 10 | 15 |
| 2019 | 12 | 20 |
| 2020 | 21 | 29 |
| 2021 | 22 | 43 |
| 2022 | 13 | 29 |
| 2023 | 23 | 25 |
| 2024 | 16 | 26 |
| 2025 | 14 | 21 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fiber11 Aug 2026US 12,703,931 B2OceanSafe AG
- Flame-retardant and windproof wadding and preparation method thereof19 May 2026US 12,630,946 B2Beijing Jinlun Ward Technology Co., Ltd
- PCL patch tissue regeneration scaffold and method for manufacturing same12 May 2026US 12,622,999 B2Ajou University Industry-Academic Cooperation Foundation
- Nonwoven fabrics comprising polylactic acid and surface-treated calcium carbonate12 May 2026US 12,624,482 B2Omya International AG
- Polymers, method for fabricating polymers, and products including polymers21 Apr 2026US 12,606,669 B2Plantee Bioplastics Inc.
- Additive manufacturing polymers with high metal inclusion content8 Oct 2026US 2026/0308813 A1The Research Foundation for The State University of New York
- Cleaning Wipes1 Oct 2026US 2026/0297821 A1
- Blended liquid formulation for continuous production of biodegradable polymers10 Sep 2026US 2026/0265518 A1Intrinsic Advanced Materials, LLC
- Fiber and filament for three-dimensional printing10 Sep 2026US 2026/0265958 A1OceanSafe AG
- Polymer solution, electrospun nanofibrous membrane and preparation method therefor13 Aug 2026US 2026/0234835 A1Huizhou Foryou Medical Devices Co., Ltd.
Most cited
By later US patents
- Air filtration arrangements having fluted media constructions and methods381US 6,673,136 B2Donaldson Company, Inc. · 2004
- Fibers and filters containing said fibers289US 5,069,970 AAllied-Signal Inc. · 1991
- Polymer, polymer microfiber, polymer nanofiber and applications including filter structures252US 6,743,273 B2Donaldson Company, Inc. · 2004
- Fibers capable of spontaneously transporting fluids182US 5,972,505 AEastman Chemical Company · 1999
- Synthetic fiber181US 6,135,987 AKimberly-Clark Worldwide, Inc. · 2000