A01D 47/00
Headers for topping of plants
Official title: Headers {for topping of plants, e.g. stalks with ears}
A01D47/00 (Headers for topping of plants) appears on 120 US grants and 113 published applications in this corpus.
Search patents in A01D- Granted patents
- 120
- Published applications
- 113
- Assignees
- 54
- Inventors
- 232
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 3 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 4 |
| 2013 | 2 | 4 |
| 2014 | 1 | 3 |
| 2015 | 1 | 0 |
| 2016 | 2 | 4 |
| 2017 | 7 | 8 |
| 2018 | 2 | 14 |
| 2019 | 10 | 8 |
| 2020 | 10 | 11 |
| 2021 | 8 | 15 |
| 2022 | 7 | 10 |
| 2023 | 11 | 3 |
| 2024 | 10 | 10 |
| 2025 | 10 | 11 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sugarcane harvester topper height control6 Oct 2026US 12,751,370 B2Deere & Company
- Harvester row unit impact absorbing and kernel retaining stalk gap rails8 Sep 2026US 12,727,541 B2Davaus, LLC
- Stalk roll11 Aug 2026US 12,702,092 B2Calmer Holding Company, LLC
- Floating floor assembly of a header14 Oct 2025US 12,439,850 B2CNH Industrial America LLC
- Twelve flutes for stalk roll7 Oct 2025US 12,433,195 B2Calmer Holding Company, LLC
- Stalk roll12 Mar 2026US 2026/0068818 A1Calmer Holding Company, LLC
- System and Method of Assisted Assembly of a Header in an Agricultural Harvester and Agricultural Harvester26 Feb 2026US 2026/0053090 A1CNH Industrial Brasil Ltda.
- Electrically driven agricultural platform19 Feb 2026US 2026/0047526 A1Gts Do Brasil Ltda.
- Twelve flutes for stalk roll5 Feb 2026US 2026/0033427 A1
- Context-based row sensing guidance control16 Oct 2025US 2025/0318465 A1Deere & Company
Most cited
By later US patents
- Stabilized agricultural apparatus21US 7,249,448 B22007
- Agricultural harvester with simultaneous and independent seed and biomass processing21US 7,681,388 B1Deere & Company · 2010
- Seed gathering device for use by an agricultural harvester18US 7,805,916 B2Deere & Company · 2010
- Header height control system for an agricultural harvester17US 9,585,309 B2CNH Industrial America LLC · 2017
- Pyrethrum harvesting machines16US 4,597,252 AGeoff. Williames (Aust.) Pty. Ltd. · 1986