A01G 9/1438
Covering materials therefor
Official title: {Covering materials therefor; Materials for protective coverings used for soil and plants, e.g. films, canopies, tunnels or cloches}
A01G9/1438 (Covering materials therefor) appears on 231 US grants and 296 published applications in this corpus.
Search patents in A01G- Granted patents
- 231
- Published applications
- 296
- Assignees
- 173
- Inventors
- 600
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 2 |
| 2003 | 0 | 3 |
| 2004 | 1 | 4 |
| 2005 | 3 | 5 |
| 2006 | 1 | 38 |
| 2007 | 2 | 4 |
| 2008 | 0 | 8 |
| 2009 | 3 | 12 |
| 2010 | 18 | 15 |
| 2011 | 13 | 16 |
| 2012 | 8 | 8 |
| 2013 | 8 | 6 |
| 2014 | 3 | 6 |
| 2015 | 9 | 6 |
| 2016 | 2 | 21 |
| 2017 | 4 | 14 |
| 2018 | 3 | 11 |
| 2019 | 7 | 18 |
| 2020 | 13 | 18 |
| 2021 | 9 | 20 |
| 2022 | 9 | 17 |
| 2023 | 10 | 15 |
| 2024 | 7 | 15 |
| 2025 | 6 | 8 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Plastic laminate to cover agricultural crops25 Aug 2026US 12,714,037 B2Reyenvas, S.A.
- Aerogel blanket insulator and its functional composite28 Jul 2026US 12,696,357 B2Ndt Engineering & Aerospace Co., Ltd.
- Welded film and method of producing same21 Apr 2026US 12,605,902 B2AGC Inc.
- Single-layer or multilayer polyester film having a permanent anti-fog coating and a transparency of at least 92 %21 Apr 2026US 12,606,680 B2Mitsubishi Polyester Film GmbH
- Atmospheric water generation systems and methods utilizing membrane-based water extraction24 Feb 2026US 12,558,649 B2Genesis Systems LLC
- Agricultural greenhouse, plant cultivation method using the same, and heat-ray reflecting film structure28 May 2026US 2026/0144196 A1Toyobo Co., Ltd.
- Light-transmitting panel for buildings and method of using same21 May 2026US 2026/0139484 A1
- Ethylene Polymer Layers And Layered Films Made Therefrom9 Apr 2026US 2026/0098133 A1
- Air dome device capable of maintaining positive pressure and controlling temperature for cultivating crops26 Mar 2026US 2026/0083069 A1AG-Uni Co., Ltd
- Air extraction interface with sealing structure, polycarbonate vacuum plate, and sunlight room12 Feb 2026US 2026/0043237 A1
Most cited
By later US patents
- Selectively light-transmitting laminated structure130US 4,413,877 ATeijin Limited · 1983
- Method for cultivating algae and a covering material used therefor123US 4,235,043 ANippon Carbide Kogyo Kabashiki Kaisha · 1980
- Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and moderate glass transition temperature and articles made therefrom74US 7,781,562 B2Eastman Chemical Company · 2010
- Polyolefin film for agricultural use69US 4,134,875 AAlcudia Empresa Para la Industria Quimica, S.A. · 1979
- Film(s) and/or sheet(s) comprising polyester compositions which comprise cyclobutanediol and have a certain combination of inherent viscosity and moderate glass transition temperature65US 7,855,267 B2Eastman Chemical Company · 2010