Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11419263 | Pivot posts and trimmer heads utilizing the same | Brian Searfoss, Wen Liu, Lin Wang, Jack Yang | 2022-08-23 |
| 11317560 | Two-colored trimmer line for centering the line in a trimmer head | — | 2022-05-03 |
| 11229160 | Easy to load trimmer head with forced discharge | — | 2022-01-25 |
| 10993369 | Trimmer line for string trimmers | — | 2021-05-04 |
| 10575464 | Trimmer head with pivot posts holding a single strip of line | Wen Liu | 2020-03-03 |
| 10398078 | Pivot posts and trimmer heads utilizing the same | Brian Searfoss, Wen Liu, Lin Wang, Jack Yang | 2019-09-03 |
| 10278327 | Trimmer head for use with line and blades | James A. Bennett | 2019-05-07 |
| 10178827 | Trimmer head with pivoting posts | — | 2019-01-15 |
| 10136577 | Fixed-line trimmer head with improved line channel | — | 2018-11-27 |
| 9986682 | Trimmer head with pivot posts holding a single strip of line | Wen Liu | 2018-06-05 |
| 9861034 | Trimmer head with incorporated line cutter | — | 2018-01-09 |
| 9861033 | Universally adaptable, easy to load trimmer head with free rotating bump knob | Mark R. Wilkinson | 2018-01-09 |
| 9801335 | Trimmer head and method of installing pivot posts therein | — | 2017-10-31 |
| 9555552 | Trimmer line cutting device and method | Mark R. Wilkinson | 2017-01-31 |
| D681705 | Portion of a cutting head | — | 2013-05-07 |
| 7908953 | Cutting tool attached to package for wound line | John Dean Yarborough | 2011-03-22 |
| 6668462 | Multi-component, extruded vegetation cutting line | Jack D. Davies, Chad Boyd | 2003-12-30 |
| 6589392 | Multicomponent monofilament for papermaking forming fabric | Atiye Tanverdi | 2003-07-08 |
| 6560878 | Multi-component, extruded vegetation cutting line | Jack D. Davies, Chad Boyd | 2003-05-13 |
| D379418 | Cutting line for a rotating line trimmer | — | 1997-05-27 |
| D379419 | Cutting line for a rotating line trimmer | — | 1997-05-27 |
| D379052 | Cutting line for a rotating line trimmer | — | 1997-05-06 |
| D376739 | Cutting line for a rotating line trimmer | — | 1996-12-24 |
| D376516 | Cutting line for a rotating line trimmer | — | 1996-12-17 |
| D376078 | Cutting line for a rotating line trimmer | — | 1996-12-03 |