| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 29 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Environmental technology | |
| #5 | Engines, pumps and turbines | |
| #6 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Hydraulic engineering | |
| #2 | Venting or aerating devices | |
| #3 | Unspecified technologies | |
| #4 | Doors and windows | |
| #5 | Water treatment | |
| #6 | Separation | |
| #7 | Reduction of greenhouse gas emissions | |
| #8 | Machines for liquids | |
| #9 | Supplying combustion engines | |
| #10 | Servomotors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Collar Adoniram J | 30 |
| Publication | Filing date | Title |
|---|---|---|
| US1130572A | Current water-meter. | |
| US1133619A | Ditch-gate. | |
| US1128228A | Hydraulic valve. | |
| US1142145A | Self-closing attachment for faucets. | |
| US1082109A | Fish-ladder. | |
| US1059037A | Valve. | |
| US1040624A | Faucet. | |
| US1011119A | Fish-screen. | |
| US1011120A | Ditch-gate. | |
| US981171A | Ditch-gate. | |
| US976434A | Ditch-gate. | |
| US973106A | Flood and feed gate. | |
| US973172A | Ditch-gate. | |
| US982036A | Gate-valve. | |
| US982180A | Fly-escape. | |
| US970308A | Ditch-gate. | |
| US954930A | Water-gate valve. | |
| US991700A | Fish-screen for ditches. | |
| US823991A | Water-gate. | |
| US832844A | Water gate-valve. |