| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | United States | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Shaping clay | |
| #2 | Foundations and excavations | |
| #3 | Domestic stoves for solid fuels | |
| #4 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Manthei Jeremy L | 9 |
| #2 | Manthei James A | 7 |
| #3 | Manthei Joshua S | 2 |
| #4 | Manthei James | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2016214274A1 | Reinforced Mold For Casting Concrete Blocks | |
| US2015027435A1 | Method For Making An Outdoor Fireplace | |
| CA2806843A1 | Process and apparatus for demolding and palletizing cast concrete blocks | |
| KR20130140542A | Method and apparatus for dry casting concrete blocks having a decorative face | |
| US2008277559A1 | Form for casting concrete blocks and other objects | |
| US2008116352A1 | Method and apparatus for forming concrete blocks |