| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Austria | 1 | |
| #3 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Transport | |
| #4 | Electrical machinery and energy | |
| #5 | Packaging and shipping | |
| #6 | Furniture and games | |
| #7 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Unspecified technologies | |
| #3 | Venting or aerating devices | |
| #4 | Electric switches | |
| #5 | Physical training equipment | |
| #6 | Wheelchairs and sledges | |
| #7 | Motor vehicles | |
| #8 | Locks | |
| #9 | Transferring liquids | |
| #10 | Vehicle parts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Perry Ira D | 12 |
| #2 | Weir John B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2082972A | Valve and the like | |
| US2103822A | Tire valve and the like | |
| US2088248A | Air valve and the like | |
| US2071213A | Bladder attachment to valves of inflated articles and the like | |
| US1828747A | Ignition lock and the like | |
| US1684714A | Swimming apparatus | |
| US1522647A | Attaching device for automobile bumpers | |
| CA191409A | Lock for automobiles | |
| US1215323A | Locking device for automobiles. | |
| US1217104A | Motor-vehicle steering-gearing. | |
| US656262A | Fluid-discharge valve. |