A01D 34/14
Knife-bars
A01D34/14 (Knife-bars) appears on 164 US grants and 190 published applications in this corpus.
Search patents in A01D- Granted patents
- 164
- Published applications
- 190
- Assignees
- 48
- Inventors
- 236
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 3 | 3 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 3 |
| 2012 | 3 | 4 |
| 2013 | 2 | 8 |
| 2014 | 4 | 10 |
| 2015 | 1 | 6 |
| 2016 | 4 | 12 |
| 2017 | 18 | 11 |
| 2018 | 5 | 18 |
| 2019 | 10 | 22 |
| 2020 | 27 | 30 |
| 2021 | 13 | 20 |
| 2022 | 23 | 14 |
| 2023 | 10 | 14 |
| 2024 | 7 | 5 |
| 2025 | 15 | 2 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Harvester reel having adjustable tine bars and method for resetting same23 Jun 2026US 12,660,755 B2CNH Industrial America LLC
- Cutting unit with double knife system and movable sliding surface16 Jun 2026US 12,653,093 B2Carl Geringhoff GmbH & Co. Kommanditgesellschaft
- Cover assembly for a knife drive of an agricultural header16 Jun 2026US 12,653,094 B2CNH Industrial America LLC
- Center of header sickle drive9 Jun 2026US 12,648,515 B2AGCO Corporation
- Method of manufacturing a knife blade for a cutter knife and cutter knife28 Apr 2026US 12,610,882 B2Smf - Holding GmbH
- Cutting tool12 Mar 2026US 2026/0068811 A1Betek GmbH & Co. KG
- Cutting blade drive apparatus29 Jan 2026US 2026/0027742 A1Yamabiko Corporation
- Forming shield for a harvesting implement21 Aug 2025US 2025/0261585 A1MacDon Industries Ltd.
- Electric working machine with operating rod2 Jan 2025US 2025/0000031 A1Yamabiko Corporation
- Agricultural Header with Double Knife Cutting System7 Nov 2024US 2024/0365703 A1AGCO International GmbH
Most cited
By later US patents
- Wear shield for the cutter bar of a crop cutting machine56US 7,373,769 B2MacDon Industries Ltd. · 2008
- Blade assembly removal from a header of a plant cutting machine48US 8,151,547 B2CNH America LLC · 2012
- Compact sickle drive for a header of an agricultural plant cutting machine46US 7,401,458 B2CNH America LLC · 2008
- Sectional sickle bar19US 4,854,114 AHerschel Corporation · 1989
- Knives for a reciprocating cutter bar assembly of an agricultural machine17US 7,124,567 B1Deere & Company · 2006