Patents
US 10233658 B1: Multi-rotational concrete screed apparatus for screeding concrete
- Granted
- 2019-03-19
- Filed
- 2017-10-16 application 15785067
- Type
- Utility · 17 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A multi-rotational concrete screed to produce a level finished surface that includes a frame assembly, a boom assembly secured to the frame assembly at a first end and to a screed head at a second end, and a drive assembly. A powered turntable is positioned between the frame assembly and drive assembly permitting complete rotation of each with respect to the other.
Source: PVGPATDIS, file of 2026-04-10 (ipg190319.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Ligchine International Corporation 15 patents | US company or organization | Floyds Knobs, IN | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Peter A. Ligman | Darien, WI | 16 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| E04F | Finishing work on buildings, e.g. stairs, floors | E04F21/241 | PVGPATDIS, file of 2026-04-10 |
| E01C | Construction of, or surfaces for, roads, sports grounds, or the like; machines or auxiliary tools for construction or repair | E01C19/187 | 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 |
|---|---|---|---|---|---|
| 2022-07-27 | Release of security interest Release of security interest | COMERICA BANK signed 2022-07-11 | LIGCHINE INTERNATIONAL CORPORATION FLOYDS KNOBS, IN LASER-GUIDED ACQUISITION, LLC BALA CYNWYD, PA LASER-GUIDED HOLDINGS, LLC BALA CYNWYD, PA | 60631/259 | ECORSEXC, file of 2026-09-25 |
| 2018-07-31 | Security interest Security interest Security interest | LASER-GUIDED ACQUISITION, LLC signed 2018-07-31 LASER-GUIDED HOLDINGS, LLC signed 2018-07-31 LIGCHINE INTERNATIONAL CORPORATION signed 2018-07-31 | COMERICA BANK DALLAS, TX | 46512/848 | ECORSEXC, file of 2026-09-25 |
| 2017-11-03 | Assignment Assignment of assignor's interest | LIGMAN, PETER A. signed 2017-11-02 | LIGCHINE INTERNATIONAL CORPORATION FLOYDS KNOBS, IN | 44030/264 | 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.