Adjustable cotton picking unit pressure door
US-2026076304-A1 · Mar 19, 2026 · US
using rotary or oscillating spindles
using rotary or oscillating spindles · 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 | A01D46/16 |
| Official title | using rotary or oscillating spindles |
| Display label | using rotary or oscillating spindles |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 6 |
| 2021 | 2 |
| 2022 | 4 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cotton picker spindle with replaceable tip
US-12495738-B2 · Dec 16, 2025 · US
Moistener column for an agricultural header
US-2025121413-A1 · Apr 17, 2025 · US
Picker header lubrication system and method thereof
US-2025020276-A1 · Jan 16, 2025 · US
Cotton spindle variable barb geometry
US-2024008408-A1 · Jan 11, 2024 · US
Independent doffer drive system for a cotton harvester row unit
US-11503765-B2 · Nov 22, 2022 · US
Cotton harvesting machine with automatically variable drum and spindle speed
US-11483974-B2 · Nov 1, 2022 · US
Frame design for a cotton picking unit and method of use
US-11343966-B2 · May 31, 2022 · US
Cotton picker spindle with replaceable tip
US-2022132739-A1 · May 5, 2022 · US
Frame design for a cotton picking unit and method of use
US-2021092901-A1 · Apr 1, 2021 · US
Cotton harvesting machine with automatically variable drum and spindle speed
US-2021015043-A1 · Jan 21, 2021 · US
Cotton harvester power management
US-10462970-B2 · Nov 5, 2019 · US
Hydraulic cotton unit drum drive
US-10462971-B2 · Nov 5, 2019 · US
Independent doffer drive system for a cotton harvester row unit
US-2019075729-A1 · Mar 14, 2019 · US
Independent drum drive system for a cotton harvester row unit
US-10219436-B2 · Mar 5, 2019 · US
Hydraulic cotton unit drum drive
US-2019059225-A1 · Feb 28, 2019 · US
Independent doffer drive system for a cotton harvester row unit
US-10172287-B2 · Jan 8, 2019 · US
Cotton harvester power management
US-2018368321-A1 · Dec 27, 2018 · US
Independent drum drive system for a cotton harvester row unit
US-2018092303-A1 · Apr 5, 2018 · US
Independent doffer drive system for a cotton harvester row unit
US-2018084725-A1 · Mar 29, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A01D46/16?
- CPC A01D46/16 is the Cooperative Patent Classification code for “using rotary or oscillating spindles.”
- How many patents are filed under CPC A01D46/16 (using rotary or oscillating spindles)?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC A01D46/16 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).