D01D 5/092
In shafts or chimneys
Official title: in shafts or chimneys
D01D5/092 (In shafts or chimneys) appears on 104 US grants and 59 published applications in this corpus.
Search patents in D01D- Granted patents
- 104
- Published applications
- 59
- Assignees
- 56
- Inventors
- 211
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 2 |
| 2002 | 2 | 6 |
| 2003 | 3 | 4 |
| 2004 | 6 | 3 |
| 2005 | 3 | 3 |
| 2006 | 2 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 3 |
| 2011 | 1 | 2 |
| 2012 | 3 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 4 | 3 |
| 2019 | 0 | 4 |
| 2020 | 1 | 1 |
| 2021 | 3 | 4 |
| 2022 | 6 | 4 |
| 2023 | 3 | 7 |
| 2024 | 0 | 2 |
| 2025 | 4 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Manufacture of spunbonded nonwoven from continuous filaments25 Nov 2025US 12,480,237 B2Reifenhaeuser GmbH & Co. KG Maschinenfabrik
- Method and apparatus for making nonwoven fabric of crimped synthetic fibers8 Jul 2025US 12,351,948 B2Mitsui Chemicals Asahi Life Materials Co., Ltd.
- Braided jackets with low thickness8 Jul 2025US 12,351,957 B2Kuraray Co., Ltd.
- Spunbond system and process1 Apr 2025US 12,264,413 B2Kimberly-Clark Worldwide, Inc.
- Manufacture of spunbonded nonwovens from continuous filaments11 Jul 2023US 11,697,897 B2Reifenhaeuser GmbH & Co. KG Maschinenfabrik
- Manufacture of spunbonded nonwoven from continuous filaments19 Mar 2026US 2026/0078536 A1Reifenhaeuser GmbH & Co. KG Maschinenfabrik
- Method for producing multifilament27 Nov 2025US 2025/0361652 A1Kaneka Corporation
- Polyurethane fiber and spinneret therefor and manufacturing method thereof26 Sep 2024US 2024/0318355 A1Bright Cheers International Limited
- Braided Jackets with Low Thickness7 Mar 2024US 2024/0076814 A1Kuraray Co., Ltd.
- Fiber spinning method and spun fibers and use thereof30 Nov 2023US 2023/0383443 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Apparatus for quenching melt-spun filaments92US 4,529,368 AE. I. Du Pont de Nemours and Company · 1985
- Low crystallinity polyester yarn produced at ultra high spinning speeds49US 4,687,610 AE. I. Du Pont de Neumours and Company · 1987
- Process for the expeditious formation and structural modification of polyester fibers38US 3,946,100 ACelanese Corporation · 1976
- Method for producing nonwoven thermoplastic webs35US 5,503,784 AReifenhauser GmbH & Co. Maschinenfabrik · 1996
- Melt spinning process for polymeric filaments22US 5,034,182 AE. I. Du Pont de Nemours and Company · 1991