Y02A 40/25
Greenhouse technology
Official title: Greenhouse technology, e.g. cooling systems therefor
Y02A40/25 (Greenhouse technology) appears on 1,733 US grants and 1,998 published applications in this corpus.
Search patents in Y02A- Granted patents
- 1,733
- Published applications
- 1,998
- Assignees
- 1,065
- Inventors
- 3,696
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 17 | 0 |
| 1978 | 25 | 0 |
| 1979 | 27 | 0 |
| 1980 | 21 | 0 |
| 1981 | 34 | 0 |
| 1982 | 29 | 0 |
| 1983 | 24 | 0 |
| 1984 | 18 | 0 |
| 1985 | 21 | 0 |
| 1986 | 36 | 0 |
| 1987 | 24 | 0 |
| 1988 | 30 | 0 |
| 1989 | 28 | 0 |
| 1990 | 24 | 0 |
| 1991 | 28 | 0 |
| 1992 | 12 | 0 |
| 1993 | 20 | 0 |
| 1994 | 17 | 0 |
| 1995 | 14 | 0 |
| 1996 | 19 | 0 |
| 1997 | 13 | 0 |
| 1998 | 14 | 0 |
| 1999 | 18 | 0 |
| 2000 | 19 | 0 |
| 2001 | 11 | 7 |
| 2002 | 19 | 11 |
| 2003 | 9 | 21 |
| 2004 | 11 | 32 |
| 2005 | 14 | 31 |
| 2006 | 9 | 72 |
| 2007 | 14 | 30 |
| 2008 | 6 | 36 |
| 2009 | 21 | 49 |
| 2010 | 39 | 49 |
| 2011 | 31 | 64 |
| 2012 | 38 | 52 |
| 2013 | 38 | 57 |
| 2014 | 33 | 64 |
| 2015 | 28 | 85 |
| 2016 | 40 | 91 |
| 2017 | 45 | 104 |
| 2018 | 57 | 140 |
| 2019 | 74 | 142 |
| 2020 | 103 | 142 |
| 2021 | 104 | 159 |
| 2022 | 77 | 168 |
| 2023 | 107 | 172 |
| 2024 | 91 | 91 |
| 2025 | 104 | 89 |
| 2026 | 60 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Grow cabinet29 Sep 2026US 12,745,718 B2
- Building25 Aug 2026US 12,714,036 B2Kobe Steel, Ltd.
- Plastic laminate to cover agricultural crops25 Aug 2026US 12,714,037 B2Reyenvas, S.A.
- Modular light devices, systems, and methods11 Aug 2026US 12,702,121 B2ABL Research Group, LLC
- Greenhouse and forced greenhouse climate control system and method14 Jul 2026US 12,677,760 B2Houweling Intellectual Properties, Inc.
- Illumination systems employing multi-layer laminated sheet-form optical structures with embedded tir channels17 Sep 2026US 2026/0276175 A1
- Harvesting, transmission, spectral modification and delivery of sunlight to shaded areas of plants6 Aug 2026US 2026/0227042 A1Opti-Harvest, Inc.
- Cylindrical tubular element comprising a frusto-conically shaped press fit connection30 Jul 2026US 2026/0218820 A1Metazet Formflex Holding B.V.
- Hydronic system23 Jul 2026US 2026/0206694 A10865894 B.C. Ltd. O/A Agritech North
- Information analysis method and information analyzer23 Jul 2026US 2026/0212055 A1NTT, Inc.
Most cited
By later US patents
- Double-walled grow light housing with air flow cooling system152US 6,595,662 B2Hydrofarm, Inc. · 2003
- Environmental control system148US 4,742,475 AIBG International, Inc. · 1988
- Selectively light-transmitting laminated structure130US 4,413,877 ATeijin Limited · 1983
- Expert system for controlling plant growth in a contained environment130US 7,617,057 B22009
- Horticultural light fixture with adjustable air circulation vent hole cover and adjustable light socket assembly129US 7,972,044 B22011