Patents
US 11006576 B2: Hand-held horizontal rotary trimmer with vented baffle
- Granted
- 2021-05-18
- Filed
- 2019-08-12 application 16537991
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A lawn mower includes a housing with a baffle that defines an air path to produce a cross-flow. The baffle includes a vent to manipulate air pressures within the housing and facilitate movement of plant clippings. A hand-held device for trimming with a rotary blade assembly may also include a housing that defines an air path to produce a cross-flow. The hand-held trimming device may also a baffle with a vent to facilitate movement of plant clippings.
Source: PVGPATDIS, file of 2026-04-10 (ipg210518.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| HRM Enterprises, Inc. 8 patents | US company or organization | Westerly, RI | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Richard Zerbarini | Westerly, RI | 8 | PVGPATDIS, file of 2026-04-10 | |
| Robert Zerbarini | Westerly, RI | 4 | PVGPATDIS, file of 2026-04-10 | |
| Paul Zerbarini | Westerly, RI | 5 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A01D | Harvesting; mowing | A01D34/90 | PVGPATDIS, file of 2026-04-10 |
| A01G | Horticulture; cultivation of vegetables, flowers, rice, fruit, vines, hops or seaweed; forestry; watering | A01G3/0535 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2019-08-12 | Assignment Assignment of assignor's interest | ZERBARINI, PAUL signed 2017-02-28 ZERBARINI, RICHARD signed 2017-02-28 ZERBARINI, ROBERT signed 2017-02-28 | HRM ENTERPRISES, INC. WESTERLY, RI | 50025/79 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.