C09K 17/52
Mulches
C09K17/52 (Mulches) appears on 182 US grants and 171 published applications in this corpus.
Search patents in C09K- Granted patents
- 182
- Published applications
- 171
- Assignees
- 121
- Inventors
- 402
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 3 |
| 2002 | 6 | 7 |
| 2003 | 6 | 6 |
| 2004 | 6 | 16 |
| 2005 | 5 | 14 |
| 2006 | 4 | 6 |
| 2007 | 3 | 8 |
| 2008 | 3 | 2 |
| 2009 | 4 | 6 |
| 2010 | 6 | 6 |
| 2011 | 5 | 5 |
| 2012 | 4 | 0 |
| 2013 | 2 | 3 |
| 2014 | 1 | 1 |
| 2015 | 4 | 6 |
| 2016 | 4 | 9 |
| 2017 | 3 | 9 |
| 2018 | 4 | 11 |
| 2019 | 6 | 5 |
| 2020 | 5 | 12 |
| 2021 | 5 | 5 |
| 2022 | 7 | 7 |
| 2023 | 2 | 6 |
| 2024 | 6 | 8 |
| 2025 | 5 | 7 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for recycling end-of-use textiles into second generation textiles2 Jun 2026US 12,642,195 B2University of Delaware
- Paper mulch granule with fertilizer for improved seed establishment26 May 2026US 12,637,394 B2Skyline Encap Holdings, LLC.
- Liquid mulching agent composition containing seaweed extract3 Mar 2026US 12,565,616 B2Cellpack AG
- Method for controlling decomposition of corrosion-resistant paper10 Feb 2026US 12,546,063 B2Nippon Beet Sugar Manufacturing Co., Ltd.
- Growing medium and mulch fiber opening apparatus5 Aug 2025US 12,378,703 B2Profile Products L.L.C.
- A mulch composition and uses thereof23 Jul 2026US 2026/0209602 A1Luonnonvarakeskus
- Spraying agent and resin sheet23 Apr 2026US 2026/0109803 A1artience Co., Ltd.
- Nanocellulose containing ultrastable water-based foam, method of preparing the same and uses thereof26 Mar 2026US 2026/0085240 A1Henan academy of sciences
- Smart cellulose mulch18 Dec 2025US 2025/0382521 A1Purdue Research Foundation
- Composition for soil and method of use thereof23 Oct 2025US 2025/0326971 A1KoTon, LLC
Most cited
By later US patents
- Sprayable composition103US 5,082,500 ANewastecon, Inc. · 1992
- Sprayable hydromulch60US 4,297,810 A1981
- Artificial mulch for seedling establishment58US 6,349,499 B1Profile Products L.L.C. · 2002
- Biodegradable polymers, preparation thereof and use thereof for producing biodegradable moldings57US 6,018,004 ABASF SE · 2000
- Biodegradable polymers, the production thereof and the use thereof for producing biodegradable moldings49US 6,201,034 B1BASF SE · 2001