Weeding machine and weeding method for seedlings in paddy field
US-12349612-B2 · Jul 8, 2025 · US
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of rice
of rice · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A01D45/04 |
| Official title | of rice |
| Display label | of rice |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Self-adaptive control system and method for stubble height and stubble righting operation of ratooning rice
US-12274208-B2 · Apr 15, 2025 · US
Self-adaptive control system and method for stubble height and stubble righting operation of ratooning rice
US-2025048966-A1 · Feb 13, 2025 · US
Ratooning rice harvesting header and harvester including the same
US-12075727-B2 · Sep 3, 2024 · US
Ratooning rice harvesting header and harvester including the same
US-2024251714-A1 · Aug 1, 2024 · US
Multi-layer segmentation/stalk cutter device for first season of double-crop rice and control method, and combine harvester for first season of double-crop rice
US-11805734-B2 · Nov 7, 2023 · US
Harvesting and sowing integrated compound operation machine
US-11730072-B2 · Aug 22, 2023 · US
Harvesting and sowing integrated compound operation machine
US-2023180646-A1 · Jun 15, 2023 · US
Weeding machine and weeding method for seedlings in paddy field
US-2023021925-A1 · Jan 26, 2023 · US
Composite stalk roll
US-11032971-B2 · Jun 15, 2021 · US
Multi-layer segmentation/stalk cutter device for first season of double-crop rice and control method, and combine harvester for first season of double-crop rice
US-2020404843-A1 · Dec 31, 2020 · US
Composite stalk roll
US-2020323139-A1 · Oct 15, 2020 · US
Rice plants and methods of producing rice grain
US-10260021-B2 · Apr 16, 2019 · US
Combine Harvester Including Machine Feedback Control
US-2018271015-A1 · Sep 27, 2018 · US
Rice plants and methods of producing rice grain
US-2016272919-A1 · Sep 22, 2016 · US
Method of preparing food using rice oil
US-9351507-B2 · May 31, 2016 · US