Patents
US 9884723 B2: Spiral conveyor system
- Granted
- 2018-02-06
- Filed
- 2016-07-21 application 15216210
- Type
- Utility · 44 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A spiral conveyor system with a positive drive system includes a rotating drum with at least one rib that is attached to drum. The rib includes a drive face for engaging a conveyor belt. The height of the rib above of the surface of the drum varies along a length of the drive element. The rib may be directly attached to the drum or may be a part of a drive element attached to the drum. The conveyor belt includes at least one belt surface configured to engage the at least one drive face, such as a protruding tab with a flat surface.
Source: PVGPATDIS, file of 2026-04-10 (ipg180206.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Ashworth Bros., Inc. 28 patents | US company or organization | Fall River, MA | ASHWORTH BROS INC. State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Darroll Joseph Neely | Gerrardstown, WV | 18 | PVGPATDIS, file of 2026-04-10 | |
| Bryan Hobbs | Medford, MN | 7 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B65G | Transport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors | B65G17/086 | 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 |
|---|---|---|---|---|---|
| 2022-08-24 | Security interest Security interest Security interest | ASHWORTH BROS., INC. signed 2022-08-22 | EASTERN BANK BOSTON, MA | 60881/746 | PASDL, file of 2026-10-15 |
| 2017-05-10 | Assignment Assignment of assignor's interest | NEELY, DARROLL JOSEPH signed 2017-03-01 HOBBS, BRYAN signed 2017-04-27 | ASHWORTH BROS., INC. FALL RIVER, MA | 42325/459 | 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.