Debris blower with sound attenuation resonator
US-12492715-B2 · Dec 9, 2025 · US
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Johnson David W patents
Johnson David W is listed as an inventor on 16 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Johnson David W |
| Total patents | 16 |
| First publication | Nov 22, 2016 |
| Latest publication | Dec 9, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Debris blower with sound attenuation resonator
US-2025297620-A1 · Sep 25, 2025 · US
Debris blower with sound attenuation resonator
US-12345278-B2 · Jul 1, 2025 · US
Debris blower with sound attenuation resonator
US-2024401613-A1 · Dec 5, 2024 · US
Keyed fluid line connectors and methods
US-2021106804-A1 · Apr 15, 2021 · US
Draper belt with a rubber insert inside the cleats to increase belt durability and reduce fiberglass rod
US-10874053-B2 · Dec 29, 2020 · US
Syringe with backpressure preventer and associated methods
US-2020330688-A1 · Oct 22, 2020 · US
Draper belt with a rubber insert inside the cleats to increase belt durability and reduce fiberglass rod
US-2020236856-A1 · Jul 30, 2020 · US
Syringe
US-D889639-S · Jul 7, 2020 · US
Selectable valve with indicator
US-D878576-S · Mar 17, 2020 · US
Recent patents
Latest publications not already listed above.
Gang mower with cutting units having suspensions incorporating tuned mass dampers
US-10537059-B2 · Jan 21, 2020 · US
Draper belt having improved cleat design
US-10233022-B2 · Mar 19, 2019 · US
Gang mower with cutting units having suspensions incoporating tuned mass dampers
US-2019069477-A1 · Mar 7, 2019 · US
Draper Belt Having Improved Cleat Design
US-2018265300-A1 · Sep 20, 2018 · US
Multi-diameter pediatric tracheal cuff
US-9821130-B2 · Nov 21, 2017 · US
Flexible gear rack carriage transport in a printing apparatus
US-9500261-B2 · Nov 22, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| The Toro Co | 6 |
| Merit Medical Systems Inc | 4 |
| Contitech Transportbandsysteme | 3 |
| Contitech Transportbandsysteme | 1 |
| Schumacher James F | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F04D19/002 | 4 |
| F04D29/522 | 4 |
| A01G20/47 | 4 |
| F04D29/664 | 4 |
| F04D29/665 | 4 |