| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Packaging and shipping | |
| #3 | Machine tools | |
| #4 | Machines | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Pistons and sealings | |
| #3 | Containers for goods storage | |
| #4 | Presses | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kneuper George M | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US1148237A | Filter-cell. | |
| US1061755A | Filter. | |
| US973868A | Filter. | |
| US962031A | Filter. | |
| US934076A | Filter-cell. | |
| US811151A | Filter. | |
| US817253A | Filter. | |
| US794987A | Packing. | |
| US796519A | Filter. | |
| US817252A | Filter. | |
| US821875A | Means for emptying receptacles. | |
| US718358A | Filter. |