Inventor
MICHAEL J. LEMBERGER
Inventor
US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B28Bprimary
B28BShaping clay or other ceramic compositions17%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form14%
E04CStructural elements14%
B22FWorking metallic powder7%
B24DTools for grinding, buffing or sharpening7%
B29CShaping or joining of plastics7%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering7%
C04BLime, magnesia3%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
E04FFinishing work on buildings, e.g. stairs, floors3%
PatentTitleYear
12,509,402Abrasive articles and methods for forming same202512,473,475Abrasive articles and methods for forming same202512,060,709Plasterboards and methods for making them202411,808,047Corner structures202311,619,044Plasterboards and methods for making them202311,414,864Plasterboards and methods for making them202211,303,275Relay circuitry with self regulating charging202211,268,277Polyester laminated building boards with improved surface characteristics2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2024Patents assigned to CERTAINTEED GYPSUM INC (4)· patent assignee history
2022–2025Based in US· patent location history
2024Patents assigned to CERTAINTEED LLC (1)· patent assignee history
2025Patents assigned to SAINT GOBAIN ABRASIFS SA (2)· patent assignee history
2025Patents assigned to SAINT GOBAIN ABRASIVES INC (2)· patent assignee history
2025Patents assigned to SAINT GOBAIN SURFACE SOLUTIONS FRANCE (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CERTAINTEED GYPSUM INC | 4 | 2022–2024 |
| SAINT GOBAIN ABRASIFS SA | 2 | 2025 |
| SAINT GOBAIN ABRASIVES INC | 2 | 2025 |
| SAINT GOBAIN SURFACE SOLUTIONS FRANCE | 2 | 2025 |
| CERTAINTEED LLC | 1 | 2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 8 | 2022–2025 |