A01D 34/81
Casings
Official title: Casings; Housings (A01D34/71 takes precedence)
A01D34/81 (Casings) appears on 340 US grants and 402 published applications in this corpus.
Search patents in A01D- Granted patents
- 340
- Published applications
- 402
- Assignees
- 102
- Inventors
- 798
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 3 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 0 | 2 |
| 2007 | 3 | 0 |
| 2008 | 1 | 4 |
| 2009 | 2 | 6 |
| 2010 | 2 | 3 |
| 2011 | 3 | 4 |
| 2012 | 9 | 7 |
| 2013 | 4 | 7 |
| 2014 | 6 | 10 |
| 2015 | 5 | 19 |
| 2016 | 6 | 13 |
| 2017 | 18 | 24 |
| 2018 | 14 | 34 |
| 2019 | 25 | 31 |
| 2020 | 26 | 43 |
| 2021 | 39 | 28 |
| 2022 | 18 | 34 |
| 2023 | 28 | 27 |
| 2024 | 23 | 36 |
| 2025 | 27 | 35 |
| 2026 | 27 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mower deck drag link6 Oct 2026US 12,751,355 B2Deere & Company
- Self-driving work apparatus29 Sep 2026US 12,745,698 B2Andreas Stihl AG & CO.KG
- Lawn mower22 Sep 2026US 12,740,508 B2Honda Motor Co., Ltd.
- Lawn mower1 Sep 2026US 12,721,256 B2Honda Motor Co., Ltd.
- Mower unit and work machine including mower unit1 Sep 2026US 12,721,259 B2Kubota Corporation
- Lawn mower8 Oct 2026US 2026/0305530 A1Nexlawn Intelligent Technology (Suzhou) Co., Ltd.
- Power equipment with self-aligning cover1 Oct 2026US 2026/0293803 A1Honda Motor Co., Ltd.
- Mowing deck assembly with onboard controller and outdoor power machine with mowing deck assembly24 Sep 2026US 2026/0283070 A1Greenworks (Jiangsu) Co., Ltd.
- Power unit module for battery-powered power equipment and method of mounting same onto frame member of power equipment17 Sep 2026US 2026/0280008 A1Honda Motor Co., Ltd.
- Boundary cutting tool20 Aug 2026US 2026/0240084 A1Nanjing Chervon Industry Co., Ltd.
Most cited
By later US patents
- Battery-powered lawn cutting system97US 5,606,851 ABriggs & Stratton Corporation · 1997
- Electric lawn mower89US 5,910,091 AHonda Giken Kogyo Kabushiki Kaisha · 1999
- Electric drive riding mower82US 7,610,975 B1The Toro Company · 2009
- Cutter housing for power-driven lawn mower59US 4,711,077 AHonda Giken Kogyo Kabushiki Kaisha · 1987
- Vertically storable lawn mower55US 5,261,215 ARyobi Motor Products Corp. · 1993