Lawn mower height-of-cut system with integral striping roller
US-2025344635-A1 · Nov 13, 2025 · US
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Shaffer Chadwick A patents
Shaffer Chadwick A is listed as an inventor on 29 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Shaffer Chadwick A |
| Total patents | 29 |
| First publication | Aug 23, 2016 |
| Latest publication | Nov 13, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Walk outdoor power equipment unit having handle mounted operational controls using compliant mechanisms
US-12402559-B2 · Sep 2, 2025 · US
Power equipment unit with ground speed responsive to force applied to a handle grip
US-2025169395-A1 · May 29, 2025 · US
Walk power mower with transmission providing both forward and reverse propulsion
US-2024415052-A1 · Dec 19, 2024 · US
Walk outdoor power equipment unit having handle mounted operational controls using compliant mechanisms
US-2024349641-A1 · Oct 24, 2024 · US
Walk power mower with transmission providing both forward and reverse propulsion
US-12108701-B2 · Oct 8, 2024 · US
Walk outdoor power equipment unit having handle mounted operational controls using compliant mechanisms
US-12069984-B2 · Aug 27, 2024 · US
Assembly for adding ambient air to the cutting chamber of a walk power mower
US-11895945-B2 · Feb 13, 2024 · US
Walk power mower with slidable handle grip movable along a curved path for controlling a variable speed traction drive
US-11849670-B2 · Dec 26, 2023 · US
Lawn mower bumper
US-D1008315-S · Dec 19, 2023 · US
Recent patents
Latest publications not already listed above.
Walk power mower with transmission providing both forward and reverse propulsion
US-2023240182-A1 · Aug 3, 2023 · US
Walk power mower with transmission providing both forward and reverse propulsion
US-11653594-B2 · May 23, 2023 · US
Walk outdoor power equipment unit having handle mounted operational controls using compliant mechanisms
US-2023098509-A1 · Mar 30, 2023 · US
Walk power mower with slidable handle grip movable along a curved path for controlling a variable speed traction drive
US-2023000013-A1 · Jan 5, 2023 · US
Walk power mower with slidable handle grip movable along a curved path for controlling a variable speed traction drive
US-11464165-B2 · Oct 11, 2022 · US
Assembly for adding ambient air to the cutting chamber of a walk power mower
US-2022174870-A1 · Jun 9, 2022 · US
Walk power mower with slidable handle grip movable along a curved path for controlling a variable speed traction drive
US-2021243949-A1 · Aug 12, 2021 · US
Walk power mower with transmission providing both forward and reverse propulsion
US-2021007276-A1 · Jan 14, 2021 · US
Walk power mower with transmission providing both forward and reverse propulsion
US-10834871-B2 · Nov 17, 2020 · US
Walk power mower having forward and reverse traction drive
US-10306831-B2 · Jun 4, 2019 · US
Walk power mower with transmission providing both forward and reverse propulsion
US-2018368316-A1 · Dec 27, 2018 · US
Walk power mower having forward and reverse traction drive
US-2018343796-A1 · Dec 6, 2018 · US
Walk power mower with biased handle
US-10123478-B2 · Nov 13, 2018 · US
Walk power mower with transmission providing both forward and reverse propulsion
US-10111381-B2 · Oct 30, 2018 · US
Walk power mower having forward and reverse traction drive
US-2017367265-A1 · Dec 28, 2017 · US
Walk power mower with transmission providing both forward and reverse propulsion
US-2017367259-A1 · Dec 28, 2017 · US
Walk power mower with biased handle
US-2017367258-A1 · Dec 28, 2017 · US
Electric motor support structure and power equipment unit incorporating same
US-9472992-B2 · Oct 18, 2016 · US
Oscillating airstream nozzle for debris blower
US-9420924-B2 · Aug 23, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| The Toro Co | 29 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A01D2101/00 | 26 |
| A01D34/69 | 24 |
| A01D2034/6843 | 20 |
| A01D34/6806 | 19 |
| A01D34/824 | 18 |