| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 14 | |
| #2 | United States | 8 | |
| #3 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Gearing | |
| #3 | Machines | |
| #4 | Nails | |
| #5 | Hinges for doors or windows | |
| #6 | Postal sorting | |
| #7 | Rotary-pistons | |
| #8 | Unspecified technologies | |
| #9 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cassady George | 25 |
| #2 | Mendham Conrad Field | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CA173748A | Rim for pneumatic tires | |
| US1132161A | Mechanism for the conversion of reciprocating into rotary motion. | |
| GB191223962A | Improvements relating to Mechanism for the Conversion of Reciprocating into Rotary Motion and vice versa. | |
| CA138151A | Speed mechanism | |
| US1001816A | Power-translating mechanism. | |
| GB191015428A | Fluid Pressure Engines. | |
| US991699A | Fluid-pressure engine. | |
| CA130071A | Fluid pressure engine | |
| US990106A | Nut-lock. | |
| CA123711A | Nut lock | |
| GB190805329A | Rotary Engines | |
| US907737A | Rotary engine. | |
| US857870A | Weighing-machine. | |
| CA104754A | Weighing machine | |
| CA82302A | Can seaming machine | |
| US733147A | Sash-lifter. | |
| CA78829A | Sash lifter | |
| US705380A | Rotary engine. | |
| CA76042A | Rotary engine | |
| CA38001A | Belt joint |