D04H 1/4291
Olefin series
D04H1/4291 (Olefin series) appears on 686 US grants and 869 published applications in this corpus.
Search patents in D04H- Granted patents
- 686
- Published applications
- 869
- Assignees
- 415
- Inventors
- 2,007
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 9 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 11 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 11 | 0 |
| 1993 | 14 | 0 |
| 1994 | 10 | 0 |
| 1995 | 15 | 0 |
| 1996 | 24 | 0 |
| 1997 | 22 | 0 |
| 1998 | 35 | 0 |
| 1999 | 21 | 0 |
| 2000 | 17 | 0 |
| 2001 | 29 | 17 |
| 2002 | 22 | 34 |
| 2003 | 22 | 36 |
| 2004 | 22 | 33 |
| 2005 | 8 | 32 |
| 2006 | 5 | 28 |
| 2007 | 11 | 24 |
| 2008 | 5 | 18 |
| 2009 | 10 | 26 |
| 2010 | 10 | 31 |
| 2011 | 12 | 35 |
| 2012 | 17 | 19 |
| 2013 | 14 | 18 |
| 2014 | 14 | 31 |
| 2015 | 13 | 30 |
| 2016 | 11 | 26 |
| 2017 | 10 | 32 |
| 2018 | 20 | 30 |
| 2019 | 16 | 27 |
| 2020 | 19 | 52 |
| 2021 | 17 | 28 |
| 2022 | 25 | 46 |
| 2023 | 30 | 61 |
| 2024 | 36 | 67 |
| 2025 | 29 | 39 |
| 2026 | 27 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sterilization packaging28 Jul 2026US 12,692,034 B2STERIS Inc.
- Use of polymer composition on making soft nonwoven fabrics28 Jul 2026US 12,692,630 B2Borealis AG
- Sanitary mask sheet21 Jul 2026US 12,685,352 B2Kao Corporation
- Fibrous substrates containing fibers with fiber additives14 Jul 2026US 12,678,349 B2The Procter & Gamble Company
- Polypropylene resin composition and non-woven fabric prepared using the same30 Jun 2026US 12,668,652 B2LG Chem.Ltd.
- Composition for preventing or treating capsular contracture caused by implant surgery and use thereof1 Oct 2026US 2026/0295124 A1Soonchunhyang University Industry Academy Cooperation Foundation
- Sterilization packaging1 Oct 2026US 2026/0296704 A1STERIS Inc.
- Article including blown microfibers and fire barrier particles and related processes24 Sep 2026US 2026/0286585 A13M Innovative Properties Company
- Sanitary mask sheet17 Sep 2026US 2026/0272077 A1Kao Corporation
- Propylene ethylene random copolymer17 Sep 2026US 2026/0275012 A1Basell Poliolefine Italia S.r.l.
Most cited
By later US patents
- Soft nonwoven fabric of filaments506US 5,108,820 AMitsui Petrochemical Industries, Ltd. · 1992
- Breathable composite sheet structure and absorbent articles utilizing same367US 6,677,258 B2E. I. Du Pont de Nemours and Company · 2004
- Multicomponent apertured nonwoven341US 6,632,504 B1BBA Nonwovens Simpsonville, Inc. · 2003
- Method of charging electret filter media289US 5,496,507 AMinnesota Mining and Manufacturing Company · 1996
- Method for manufacturing an electret filter medium243US 4,588,537 AMinnesota Mining and Manufacturing Company · 1986