Patents
US 9909267 B1: Paver head assembly
- Granted
- 2018-03-06
- Filed
- 2015-03-05 application 14639753
- Type
- Utility · 14 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
This application is for an improved paver head for smoothing and finishing poured concrete surfaces. It includes a strike-off plow for initial leveling of concrete, an auger for mixing and smoothing surface imperfections, a roller for smoothing and leveling, and a finish blade for final surface finishing of a poured concrete surface.
Source: PVGPATDIS, file of 2026-04-10 (ipg180306.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 | Clinton, WI | 16 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| E01C | Construction of, or surfaces for, roads, sports grounds, or the like; machines or auxiliary tools for construction or repair | E01C19/38 | 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 |
| 2016-03-31 | Assignment Assignment of assignor's interest | LIGMAN, PETER A. signed 2016-03-21 | LIGCHINE INTERNATIONAL CORPORATION FLOYDS KNOBS, IN | 38147/584 | 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.