Y02P 60/21
Dinitrogen oxide [n2o]
Official title: Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Y02P60/21 (Dinitrogen oxide [n2o]) appears on 1,821 US grants and 2,502 published applications in this corpus.
Search patents in Y02P- Granted patents
- 1,821
- Published applications
- 2,502
- Assignees
- 1,097
- Inventors
- 3,907
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 19 | 0 |
| 1978 | 14 | 0 |
| 1979 | 14 | 0 |
| 1980 | 13 | 0 |
| 1981 | 17 | 0 |
| 1982 | 15 | 0 |
| 1983 | 10 | 0 |
| 1984 | 14 | 0 |
| 1985 | 25 | 0 |
| 1986 | 14 | 0 |
| 1987 | 8 | 0 |
| 1988 | 13 | 0 |
| 1989 | 12 | 0 |
| 1990 | 22 | 0 |
| 1991 | 25 | 0 |
| 1992 | 14 | 0 |
| 1993 | 14 | 0 |
| 1994 | 14 | 0 |
| 1995 | 13 | 0 |
| 1996 | 15 | 0 |
| 1997 | 11 | 0 |
| 1998 | 10 | 0 |
| 1999 | 18 | 0 |
| 2000 | 14 | 0 |
| 2001 | 17 | 5 |
| 2002 | 15 | 11 |
| 2003 | 16 | 24 |
| 2004 | 9 | 17 |
| 2005 | 15 | 29 |
| 2006 | 14 | 28 |
| 2007 | 10 | 24 |
| 2008 | 11 | 28 |
| 2009 | 12 | 33 |
| 2010 | 16 | 22 |
| 2011 | 13 | 44 |
| 2012 | 21 | 44 |
| 2013 | 32 | 56 |
| 2014 | 40 | 93 |
| 2015 | 32 | 101 |
| 2016 | 58 | 132 |
| 2017 | 63 | 147 |
| 2018 | 76 | 216 |
| 2019 | 101 | 210 |
| 2020 | 134 | 218 |
| 2021 | 133 | 234 |
| 2022 | 125 | 227 |
| 2023 | 136 | 240 |
| 2024 | 151 | 152 |
| 2025 | 148 | 120 |
| 2026 | 54 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for growing plants25 Aug 2026US 12,714,041 B2Jungheinrich Aktiengesellschaft
- Controller-operated vertical farming system using transportable modules18 Aug 2026US 12,708,079 B2Cloud Produce Inc.
- Compositions and methods for coating of nitrification inhibitors with a solution containing a high concentration of urease inhibitors18 Aug 2026US 12,709,583 B2Soilgenic Technologies, LLC
- Automatic disinfection machine for plant tissue culture explants11 Aug 2026US 12,703,845 B2Nanjing Institute of Environmental Sciences, MEE
- Method and process for artificial intelligence to manage and optimize energy consumption across vertical farming and greenhouse hydroponic combined cycle agriculture16 Jun 2026US 12,653,118 B2Plant Culture Systems Inc.
- Compositions and Methods for Coating of Nitrification Inhibitors with a Solution Containing a High Concentration of Urease Inhibitors and For Improved Retention of the Nitrogen Content of Soil Through the Administration of Liquid Delivery Formulations of (Aminomethylene)Phosphinic Acids and/or their Salts1 Oct 2026US 2026/0296987 A1Soilgenic Technologies, LLC
- System and method for plant production27 Aug 2026US 2026/0248084 A1
- Vertical rotary plant cultivation system27 Aug 2026US 2026/0248085 A1Clay Building Co., Ltd.
- Vertical farming system27 Aug 2026US 2026/0248086 A1Jones Food Company Limited
- Cultivation system and process13 Aug 2026US 2026/0231877 A1Jpworks S.R.L.
Most cited
By later US patents
- Method and apparatus for spreading fertilizer208US 4,630,773 ASoil Teq., Inc. · 1986
- Soil chemical sensor and precision agricultural chemical delivery system and method154US 5,033,397 AAguila Corporation · 1991
- Combination grid recipe and depth control system145US 5,931,882 ARaven Industries, Inc. · 1999
- Hydroculture crop production system125US 5,121,708 A1992
- Apparatus for customizing the rate at which farming material is applied to an agricultural field121US 6,079,340 ACase Corporation · 2000