Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11582905 | Spool for straight through line feed vegetation trimmer apparatus with modules and spokes | — | 2023-02-21 |
| D970321 | Line trimmer component | — | 2022-11-22 |
| 11337368 | Spool for straight through line feed vegetation trimmer apparatus with modules and spokes | — | 2022-05-24 |
| 10273112 | String trimmer head with curved trimmer line guide | — | 2019-04-30 |
| D825293 | Trimmer spool non-radial straight channel | — | 2018-08-14 |
| D814893 | Spool for a string trimmer head | — | 2018-04-10 |
| D814894 | String trimmer head | — | 2018-04-10 |
| 9924631 | Spool for straight through line feed vegetation trimmer apparatus with modules and spokes | — | 2018-03-27 |
| D796293 | Knob for a string trimmer head | — | 2017-09-05 |
| 9516807 | Straight through line feed vegetation trimmer apparatus | — | 2016-12-13 |
| D769087 | Weed trimmer head spool with angled guide channel | — | 2016-10-18 |
| D769086 | Weed trimmer head spool with angled guide channel | — | 2016-10-18 |
| D769088 | Weed trimmer head spool with angled guide channel | — | 2016-10-18 |
| 9380743 | String trimmer head configuration and method | — | 2016-07-05 |
| D756728 | Figure eight holed line mount for a string trimmer head | — | 2016-05-24 |
| 9253942 | Trimmer head with automatic trimmer line feed mechanism | Steven W. Hamblin | 2016-02-09 |
| 8910387 | String trimmer head configuration and method | — | 2014-12-16 |
| 8863395 | String trimmer head assembly with pivoting line mounts | — | 2014-10-21 |
| 8745879 | String trimmer head configuration and method | — | 2014-06-10 |
| 8307558 | Line holding system for fixed line trimmer head | — | 2012-11-13 |
| 8266805 | String trimmer head having invertible components that enable selective clockwise and counterclockwise operations | — | 2012-09-18 |
| 8025249 | Bi-directional trimmer head spool with curved trimmer line guide | Steven W. Hamblin | 2011-09-27 |
| D598254 | Top unloading trimmer head | — | 2009-08-18 |
| D598255 | Bump and feed trimmer head | — | 2009-08-18 |
| D597804 | Fixed line trimmer head | — | 2009-08-11 |