| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 | |
| #2 | Canada | 12 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Packaging and shipping | |
| #5 | Measurement | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Gearing | |
| #3 | Pumps | |
| #4 | Containers for goods storage | |
| #5 | Venting or aerating devices | |
| #6 | Transferring liquids | |
| #7 | Rotary-pistons | |
| #8 | Hinges for doors or windows | |
| #9 | Machines | |
| #10 | Measuring volume |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bowser Allen A | 27 |
| #2 | Bowser Henry M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1264887A | Electric fixture. | |
| US1270002A | Multiple-piston registering-measure. | |
| US1192161A | Coal-chute door. | |
| US1261479A | Single-acting quick-return pump. | |
| US1160106A | Oil-storage apparatus. | |
| US1248606A | Dispensing apparatus. | |
| US1182967A | Rotary pump. | |
| US1175592A | Valve-locking mechanism. | |
| US1168262A | Valve. | |
| US1261478A | Quick-return mechanism. | |
| US1147842A | Compensating indicator mechanism. | |
| US1147841A | Expansion relief-pump. | |
| US1147840A | Check-valve. | |
| US1102468A | Pump. | |
| US1137454A | Adjustable stop device. | |
| CA133009A | Air vent | |
| CA133989A | Cut-off for measuring pumps | |
| CA130190A | Measuring pump | |
| CA128170A | Pump for filling cans | |
| CA130191A | Meter and valve |