| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 3 | |
| #3 | Austria | 1 | |
| #4 | Spain | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Domestic plumbing installations | |
| #2 | Pipes | |
| #3 | Unspecified technologies | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Noppel Emil | 10 |
| #2 | Noppel Edward Adolph | 2 |
| #3 | Noppel Eduard Adolph | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US963060A | Suction-cup. | |
| US927003A | Overflow-stop for lift and force pumps. | |
| US905567A | Overflow-stop for lift and force pumps. | |
| CA67831A | Pump | |
| GB190006216A | Improvements in Compression and Exhausting Pumps suitable for Clearing and Testing Drains and for other purposes. | |
| US646668A | Force and suction pump. | |
| US646455A | Lift and force pump. | |
| CA50716A | Pump | |
| CA34811A | Apparatus for purifying and refining oil |