Inventor
David J. Lipniarski
Inventor
North Tonawanda, NY, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B29Cprimary
B29CShaping or joining of plastics19%
B29LIndexing scheme associated with subclass b29c, relating to particular articles14%
E01FAdditional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like11%
A47CChairs8%
E04HBuildings or like structures for particular purposes8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%
E06CLadders5%
LOC255%
E04FFinishing work on buildings, e.g. stairs, floors3%
PatentTitleYear
9,016,668'Stackable barrier with connector'20158,936,134'Three/four step ladder with a curve about'20158,453,995'Control barrier'20137,789,585'Control barrier with rotatable legs'2010D0599488'Control barrier with rotatable legs'20097,578,632'Secure interlocking system for plastic materials'20097,540,682'Control barrier with rotatable legs'20097,526,841'Indented female blow-molded connector and male connector and method'20097,448,824'Traffic barricade having interchangeable parts'2008D0569992'Traffic barrier'20087,275,289'Indented female blow-molded connector and male connector and method'20077,234,780'Indented female blow-molded connector and male connector and method'20076,190,600'Circular interconnect'20016,102,156'Blow molded articles and method of making'2000D0401360'Gate'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2015Patents assigned to CONFER PLASTICS INC (9)· patent assignee history
1998–2015Based in North Tonawanda, NY, US· patent location history
2008–2015Patents assigned to WALL PRODUCTS LLC OFF (6)· patent assignee history
2013–2015Patents assigned to CHRISTENSEN MARC E (2)· patent assignee history
2013–2015Patents assigned to LIPNIARSKI DAVID J (2)· patent assignee history
2015Patents assigned to MECHAM JOSEPH C (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CONFER PLASTICS INC | 9 | 1998–2015 |
| WALL PRODUCTS LLC OFF | 6 | 2008–2015 |
| CHRISTENSEN MARC E | 2 | 2013–2015 |
| LIPNIARSKI DAVID Jself | 2 | 2013–2015 |
| MECHAM JOSEPH C | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| North Tonawanda, New York, US | 15 | 1998–2015 |