Inventor
David M. LaCroix
Inventor
Circle Pines, MN, US
Overview
Patents· 47 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B28Bprimary
B28BShaping clay or other ceramic compositions28%
B28DWorking stone or stone-like materials18%
LOC2518%
E04BGeneral building constructions9%
E04CStructural elements9%
E02DFoundations6%
B30BPresses in general2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
B28CPreparing clay1%
B29CShaping or joining of plastics1%
PatentTitleYear
D0905282Landscaping block wall202010,711,425Wall blocks having one or more multi-faceted faces or side walls, wall block systems and methods of constructing a wall202010,519,656Retaining wall containing wall blocks with weight bearing pads2019D0866799Landscaping block201910,422,308Pressure regulating valve for regulating pressure in a high-pressure fuel accumulator for an internal combustion engine20199,943,983Block splitter assembly and method of producing wall blocks20189,925,692'Block splitter assembly and method of producing wall blocks'20189,643,337'Block splitter assembly and method of producing wall blocks'20179,580,881'Retaining wall containing wall blocks with weight bearing pads'20179,573,293'Block splitting assembly and method'20178,800,235'Wall block with weight bearing pads and method of producing wall blocks'20148,701,647'Block splitter assembly and method of producing wall blocks'20148,701,648'Block splitter assembly and method of producing wall blocks'20148,568,129'Floating cut-off bar for a mold box'20138,562,327'Floating cut-off bar and method of use thereof'20138,448,634'Block splitter assembly and method of producing wall blocks'20138,327,833'Block splitting assembly and method'20128,302,591'Block splitter assembly and method of producing wall blocks'20128,006,683'Block splitting assembly and method'20117,967,001'Block splitting assembly and method'20117,918,623'Cabled mat system with removable blocks'2011D0633629'Wall block'2011D0628713'Wall block'2010D0624666'Wall block'2010D0621960'Molded surface of a concrete product'2010D0621070'Wall block body'2010D0620615'Wall block'2010D0610710'Wall block'2010D0610711'Wall block body'20107,458,800'Mold assembly for manufacturing a masonry block'20087,140,867'Mold for making a masonry block'20067,066,167'Block splitting assembly and method'20067,004,158'Block splitting assembly and method'2006D0513805'Front portion of a retaining wall block'20066,918,715'Block splitting assembly and method'2005D0506837'Front portion of a retaining wall block'20056,910,796'Process and equipment for producing concrete products having blended colors'20056,874,494'Block splitting assembly and method'2005D0482133'Front portion of a retaining wall block'20036,609,695'Mold for producing masonry block with roughened surface'2003D0464145'Side wall portion of a retaining wall block'20026,321,740'Block splitter assembly'20016,224,815'Process for producing masonry block with roughened surface'20016,209,848'Mold for producing masonry block with roughened surface'2001D0438640'Face of a retaining wall block'2001D0437422'Face of a retaining wall block'20016,113,379'Process for producing masonry block with roughened surface'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2017Patents assigned to ANCHOR WALL SYST (20)· patent assignee history
2000–2017Based in Circle Pines, MN, US· patent location history
2003–2006Patents assigned to ANCHOR WALL SYSTEMS (3)· patent assignee history
2010–2014Patents assigned to KEYSTONE RETAINING WALL SYSTEM (14)· patent assignee history
2010–2020Based in St. Paul, MN, US· patent location history
2012–2020Patents assigned to LACROIX DAVID M (14)· patent assignee history
2017–2020Patents assigned to KEYSTONE RETAINING WALL SYSTEMS LLC (8)· patent assignee history
2018–2019Based in Eagan, MN, US· patent location history
2019Based in Saint Genis Laval, FR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ANCHOR WALL SYST | 20 | 2000–2017 |
| KEYSTONE RETAINING WALL SYSTEM | 14 | 2010–2014 |
| LACROIX DAVID Mself | 14 | 2012–2020 |
| KEYSTONE RETAINING WALL SYSTEMS LLC | 8 | 2017–2020 |
| ANCHOR WALL SYSTEMS | 3 | 2003–2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Circle Pines, Minnesota, US | 23 | 2000–2017 |
| St. Paul, Minnesota, US | 20 | 2010–2020 |
| Eagan, Minnesota, US | 3 | 2018–2019 |
| Saint Genis Laval, FR | 1 | 2019 |