Trimmer head assembly for a trimmer
US-11528843-B2 · Dec 20, 2022 · US
Mounting or replacement of the lines
Mounting or replacement of the lines · 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 | A01D34/4166 |
| Official title | {Mounting or replacement of the lines} |
| Display label | Mounting or replacement of the lines |
| Total patents | 87 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 9 |
| 2021 | 16 |
| 2022 | 10 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Grass trimming head and grass trimmer having the same
US-11503759-B2 · Nov 22, 2022 · US
Grass cutting head and grass trimmer using the same
US-2021400867-A1 · Dec 30, 2021 · US
String trimmer head and spool
US-2021378173-A1 · Dec 9, 2021 · US
Grass trimming head and grass trimmer having the same
US-2021368676-A1 · Dec 2, 2021 · US
Grass trimmer and control method of grass trimmer
US-2021321560-A1 · Oct 21, 2021 · US
Grass cutting head and grass trimmer using the same
US-11134610-B2 · Oct 5, 2021 · US
String trimmer head and spool
US-11122735-B2 · Sep 21, 2021 · US
Grass trimmer, operating method thereof and control method thereof
US-11089724-B2 · Aug 17, 2021 · US
Grass cutting head and grass trimmer including the same
US-11089725-B2 · Aug 17, 2021 · US
Grass trimmer
US-2021204474-A1 · Jul 8, 2021 · US
Trimmer Line Spool for a Trimmer Head
US-2021168997-A1 · Jun 10, 2021 · US
Grass cutting head and grass trimmer using the same
US-2021144914-A1 · May 20, 2021 · US
Grass cutting head and grass trimmer including the same
US-2021137004-A1 · May 13, 2021 · US
Trimmer head
US-10939614-B2 · Mar 9, 2021 · US
Trimmer Line Cutting Head for Mounting on a Drive Shaft of a Trimmer
US-2021059115-A1 · Mar 4, 2021 · US
Grass trimming head and grass trimmer having the same
US-2021022287-A1 · Jan 28, 2021 · US
Grass trimmer
US-2021015035-A1 · Jan 21, 2021 · US
Grass trimming head and grass trimmer having the same
US-10856466-B2 · Dec 8, 2020 · US
Grass trimmer
US-10849268-B2 · Dec 1, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A01D34/4166?
- CPC A01D34/4166 is the Cooperative Patent Classification code for “Mounting or replacement of the lines.”
- How many patents are filed under CPC A01D34/4166 (Mounting or replacement of the lines)?
- Our database includes 87 publications tagged with this CPC code.
- Is patent activity under CPC A01D34/4166 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).