| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Civil engineering | |
| #4 | Audio-visual technology | |
| #5 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Unspecified technologies | |
| #3 | Cyclically operating valves | |
| #4 | Locks | |
| #5 | Unspecified technologies | |
| #6 | Advertising | |
| #7 | Making metal sheets | |
| #8 | Supplying combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mantle Joseph G C | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US2055154A | Diaphragm pump | |
| US1915833A | Diaphragm pump | |
| US1915832A | Diaphragm pump | |
| US1926208A | Diaphragm pump | |
| US1705260A | Automobile hood fastener | |
| US1705261A | Automobile hood fastener | |
| US1881789A | Internal combustion engine | |
| US1705062A | Rotary charge chamber | |
| US1819254A | Art of extruding cold materials | |
| CA178894A | Polishing machine | |
| US1158258A | Display-machine. | |
| CA314353A | Corrugated diaphragm | |
| CA314151A | Apparatus for making hollow articles |