| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | United States | 5 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Unspecified technologies | |
| #3 | Servomotors | |
| #4 | Pipes | |
| #5 | Water-closets with flushing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | O'Brien Arthur | 11 |
| #2 | Fleck August | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US789872A | Self-closing faucet. | |
| US796005A | Self-closing valve. | |
| US809977A | Flexible pipe. | |
| GB190107766A | Tap or Faucet | |
| CA82211A | Faucet | |
| US771567A | Cock. | |
| US663979A | Faucet. | |
| CA59383A | Sanitary appliance | |
| CA41102A | Air compressor | |
| CA41103A | Flushing apparatus for water closets | |
| CA43791A | Water closet |