A01G 13/27
Protecting specific parts of plants
Official title: protecting specific parts of plants, e.g. roots, trunks or fruits
A01G13/27 (Protecting specific parts of plants) appears on 151 US grants and 185 published applications in this corpus.
Search patents in A01G- Granted patents
- 151
- Published applications
- 185
- Assignees
- 69
- Inventors
- 303
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 4 |
| 2004 | 0 | 4 |
| 2005 | 0 | 4 |
| 2006 | 2 | 3 |
| 2007 | 0 | 10 |
| 2008 | 0 | 7 |
| 2009 | 0 | 3 |
| 2010 | 3 | 8 |
| 2011 | 4 | 3 |
| 2012 | 3 | 3 |
| 2013 | 2 | 6 |
| 2014 | 3 | 6 |
| 2015 | 2 | 3 |
| 2016 | 4 | 12 |
| 2017 | 4 | 13 |
| 2018 | 6 | 15 |
| 2019 | 7 | 18 |
| 2020 | 7 | 15 |
| 2021 | 12 | 8 |
| 2022 | 8 | 12 |
| 2023 | 7 | 7 |
| 2024 | 5 | 7 |
| 2025 | 9 | 10 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tree guard assembly7 Apr 2026US 12,593,760 B2
- Tree skirt having magnetic attraction fit structure10 Feb 2026US 12,543,665 B2Centresky Crafts (Shantou) Co., Ltd
- Anti-pest device for fruit trees and the like7 Oct 2025US 12,433,207 B2
- Plant protector with slidingly adjustable and telescoping handle9 Sep 2025US 12,408,597 B1
- Structural cell for facilitating tree root growth2 Sep 2025US 12,402,576 B2DeepRoot Green Infrastruture, LLC
- Environment controlling enclosure24 Sep 2026US 2026/0283082 A1Jason Ralph-Smith Associates Limited
- Panel and Multilayer Panel Structure10 Sep 2026US 2026/0262579 A1
- Tree Watering Ring and Using Method Thereof5 Mar 2026US 2026/0060190 A1Greenpros Company Limited
- Root barrier20 Nov 2025US 2025/0351783 A1
- Root barrier bracket system20 Nov 2025US 2025/0351784 A1Chester County Bamboo LLC
Most cited
By later US patents
- Biodegradable fibers manufactured from thermoplastic starch and textile products and other articles manufactured from such fibers125US 6,218,321 B1Biotec Biologische Naturverpackungen GmbH & Co. KG · 2001
- Dry powder mixes comprising phase change materials89US 5,211,949 AUniversity of Dayton · 1993
- Dry powder mixes comprising phase change materials80US 5,254,380 AUniversity of Dayton · 1993
- Dry powder mixes comprising phase change materials67US 5,106,520 AUniversity of Dayton · 1992
- Combined root barrier and watering collar arrangement53US 4,995,191 A1991