A01G 24/15
Calcined rock
Official title: Calcined rock, e.g. perlite, vermiculite or clay aggregates
A01G24/15 (Calcined rock) appears on 85 US grants and 116 published applications in this corpus.
Search patents in A01G- Granted patents
- 85
- Published applications
- 116
- Assignees
- 94
- Inventors
- 275
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 2 | 4 |
| 2005 | 0 | 1 |
| 2006 | 2 | 3 |
| 2007 | 0 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 3 |
| 2010 | 2 | 3 |
| 2011 | 3 | 4 |
| 2012 | 2 | 1 |
| 2013 | 4 | 5 |
| 2014 | 1 | 3 |
| 2015 | 5 | 4 |
| 2016 | 2 | 6 |
| 2017 | 1 | 4 |
| 2018 | 4 | 3 |
| 2019 | 2 | 7 |
| 2020 | 0 | 12 |
| 2021 | 3 | 11 |
| 2022 | 4 | 8 |
| 2023 | 4 | 6 |
| 2024 | 6 | 5 |
| 2025 | 4 | 10 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bioceramic and carbon-based hydroponic systems, methods and devices26 May 2026US 12,635,625 B2Multiple Energy Technologies LLC
- Compositions and methods for pollen storage7 Apr 2026US 12,593,761 B2Monsanto Technology LLC
- Additives for enhanced binding in growing media16 Dec 2025US 12,495,747 B2Jiffy International AS
- Plant growth matrix17 Jun 2025US 12,331,001 B2
- Agricultural proactive air/surface decontamination system and devices11 Mar 2025US 12,246,116 B2Radical Clean Solutions Ltd.
- Plant cultivation method and cultivation system6 Aug 2026US 2026/0223792 A1Daifuku Co., Ltd.
- Compositions and methods for pollen storage16 Jul 2026US 2026/0198433 A1Monsanto Technology LLC
- Compositions, methods, and systems for related to high-density vertical farming2 Jul 2026US 2026/0182509 A1Beanstalk, Inc.
- A growth substrate block and method of manufacture thereof11 Jun 2026US 2026/0157292 A1Les Solutions Horticoles Herbiaera Inc.
- Protective plant barrier and soil enhancer27 Nov 2025US 2025/0359518 A1Three Little Frogs, LLC
Most cited
By later US patents
- Plant growth media utilizing polyurethane hydrogel113US 4,241,537 AW. R. Grace & Co. · 1980
- Ceramic process45US 5,296,180 APolyCeramics, Inc. · 1994
- Polymerized soil with growing plant and method of making and package therefor and hanger and plaque incorporating the same44US 4,034,508 AGravi-Mechanics Co. · 1977
- Fiber/slag composition40US 4,369,054 A1983
- Agroblock, such as agroplug, agroplug system and a plug strip therefor37US 5,218,783 ARockwool Lapinus B.V. · 1993