Inventor
Robert John Lundell
Inventor
Stillwater, MN, US
Overview
Patents· 36 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC25primary
LOC2524%
E04FFinishing work on buildings, e.g. stairs, floors18%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like16%
E04BGeneral building constructions11%
E04CStructural elements11%
E02DFoundations9%
LOC085%
B28BShaping clay or other ceramic compositions2%
B28DWorking stone or stone-like materials2%
LOC112%
PatentTitleYear
11,060,305Patio blocks and block systems with side surface positioning and retaining structures202110,760,281Veneer connectors, wall blocks, veneer panels for wall blocks, and walls202010,760,269Retaining wall block and retaining wall block system202010,655,340Patio blocks and block systems with side surface positioning and retaining structures2020D0880727Landscaping block2020D0877653Planter block202010,370,859Patio blocks and block systems with side surface positioning and retaining structures201910,301,820Insulated concrete masonry system2019D0846760Wall block2019D0844181Landscaping block201910,156,077Veneer connectors, wall blocks, veneer panels for wall blocks, and walls201810,087,623Insulated concrete masonry system201810,081,918Paving stones2018D0824542Landscaping block2018D0819231Landscaping block2018D0816869Landscaping block2018D0815938Connector20189,951,527Patio blocks and block systems with side surface positioning and retaining structures2018D0814911Connector2018D0814278Connector20189,925,692'Block splitter assembly and method of producing wall blocks'2018D0812781'Wall block'2018D0809673'Landscaping block'20189,840,813'Paving stones'20179,834,925Insulated concrete masonry system20179,808,957'Mould filling method'2017D0791345'Landscaping block'2017D0789555'Landscaping block'2017D0789558'Landscaping block'2017D0789556'Landscaping block'2017D0782704'Landscape edger'2017D0782703'Landscape edger'2017D0775372'Landscaping block'20169,482,003'Insulated concrete masonry system'20169,315,950'Paving stones'20167,037,047'Retaining wall block system'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2021Based in Stillwater, MN, US· patent location history
2016–2021Patents assigned to KEYSTONE RETAINING WALL SYSTEMS LLC (27)· patent assignee history
2016–2020Patents assigned to Lundell Robert John (24)· patent assignee history
2016–2018Patents assigned to RICCOBENE THOMAS S (9)· patent assignee history
2016–2019Patents assigned to OLDCASTLE ARCH INC (7)· patent assignee history
2017–2020Patents assigned to MACDONALD ROBERT A (17)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KEYSTONE RETAINING WALL SYSTEMS LLC | 27 | 2016–2021 |
| Lundell Robert Johnself | 24 | 2016–2020 |
| MACDONALD ROBERT A | 17 | 2017–2020 |
| RICCOBENE THOMAS S | 9 | 2016–2018 |
| OLDCASTLE ARCH INC | 7 | 2016–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Stillwater, Minnesota, US | 36 | 2006–2021 |