| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Medical technology | |
| #3 | Thermal processes | |
| #4 | Environmental technology | |
| #5 | Electrical machinery and energy | |
| #6 | Chemical engineering | |
| #7 | Furniture and games | |
| #8 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Object sterilising | |
| #3 | Water treatment | |
| #4 | Unspecified technologies | |
| #5 | Steam generation | |
| #6 | Earth drilling | |
| #7 | Special electric heating or lighting | |
| #8 | Separation | |
| #9 | Domestic washing | |
| #10 | Fluid heaters |
| # | Name | Total Patents |
|---|---|---|
| #1 | Barnstead Robert P | 16 |
| Publication | Filing date | Title |
|---|---|---|
| US1360999A | Electric heater | |
| US1286498A | Electric water-heater. | |
| US1202147A | Sterilizer for drinking-glasses. | |
| US1140653A | Valve. | |
| US1132548A | Water-heater. | |
| US1143568A | Electric water-heater. | |
| US1096591A | Means for emptying and cleansing bed-pans. | |
| US1126937A | Sterilizing-hopper. | |
| US927764A | Sterilizer. | |
| US1039243A | Sterilizer. | |
| US825178A | Domestic water-still. | |
| US823488A | Water-still. | |
| US806450A | Domestic water-still. | |
| US836173A | Cast-metal pipe. | |
| US729116A | Automatic cut-off. | |
| US742560A | Sterilizer. |