| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering | |
| #3 | Machines | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Hydraulic engineering | |
| #3 | Unspecified technologies | |
| #4 | Containers for goods storage | |
| #5 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kellar George E | 6 |
| #2 | Snow Frank P | 4 |
| #3 | Thomason Elmer O | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US999457A | Flume-gate. | |
| US1016159A | Irrigating connection. | |
| US992293A | Flume-gate. | |
| US989201A | Valve or gate. | |
| US999409A | Irrigation-valve. | |
| US989202A | Head-gate. | |
| US966713A | Valve or gate. | |
| US966754A | Valve. | |
| US967524A | Water-gate. | |
| US972384A | Hydrant. | |
| US913147A | Stop for water-gates. |