C05D 3/00
Calcareous fertilisers
Official title: Calcareous fertilisers (C05D7/00 takes precedence)
C05D3/00 (Calcareous fertilisers) appears on 328 US grants and 378 published applications in this corpus.
Search patents in C05D- Granted patents
- 328
- Published applications
- 378
- Assignees
- 266
- Inventors
- 834
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 1 |
| 2002 | 14 | 8 |
| 2003 | 4 | 16 |
| 2004 | 5 | 12 |
| 2005 | 4 | 6 |
| 2006 | 1 | 10 |
| 2007 | 3 | 7 |
| 2008 | 1 | 5 |
| 2009 | 3 | 6 |
| 2010 | 8 | 6 |
| 2011 | 8 | 18 |
| 2012 | 9 | 11 |
| 2013 | 12 | 11 |
| 2014 | 10 | 19 |
| 2015 | 16 | 18 |
| 2016 | 12 | 28 |
| 2017 | 5 | 23 |
| 2018 | 19 | 20 |
| 2019 | 14 | 13 |
| 2020 | 17 | 23 |
| 2021 | 10 | 18 |
| 2022 | 12 | 23 |
| 2023 | 13 | 21 |
| 2024 | 6 | 25 |
| 2025 | 13 | 14 |
| 2026 | 9 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing a soil conditioning agent6 Oct 2026US 12,753,129 B2CCm Technologies Limited
- Fertilising and/or soil conditioning composition intended for culture substrates and/or culture solutions18 Aug 2026US 12,709,584 B2Agro Innovation International
- Nutrient compositions26 May 2026US 12,635,624 B2OMS Investments, Inc.
- Multi-purpose lignin-carbohydrate binding system19 May 2026US 12,630,486 B2OMS Investments, Inc.
- Processes and systems for producing ammonia products and/or calcium carbonate products12 May 2026US 12,623,978 B2M.A.R.G., LLC
- Mineral phosphate ash based fertilizer containing magnesium, produced from sewage sludge ash, and process for the production thereof8 Oct 2026US 2026/0308076 A1
- Marine glass fertilizer composition based on converter slag1 Oct 2026US 2026/0296988 A1LG Electronics Inc.
- Method of processing drinking water treatment material20 Aug 2026US 2026/0242268 A1Reale Lime
- Production of Metal Carbonate Soil Amendment from Calcium Slag Silicate20 Aug 2026US 2026/0242303 A1Sabic Agri-Nutrients Company
- Crop nutrition and fortification composition23 Jul 2026US 2026/0209132 A1
Most cited
By later US patents
- Biochar157US 8,361,186 B1Full Circle Biochar, Inc. · 2013
- Method for reducing CO2, CO, NOX, and SOx emissions106US 6,447,437 B1UT-Battelle, LLC · 2002
- Process to stabilize bioorganic, raw or treated wastewater sludge89US 5,417,861 AN-Viro International Corporation · 1995
- Process and apparatus for pathogen reduction in waste83US 5,013,458 ARDP Company · 1991
- Process to stabilize wastewater sludge75US 5,275,733 AN-Viro Energy Systems Ltd. · 1994