| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Engines, pumps and turbines | |
| #4 | Control | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Unspecified technologies | |
| #3 | Siphons | |
| #4 | Systems controlling non-electric variables | |
| #5 | Venting or aerating devices | |
| #6 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Alexander Boynton | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US1985973A | Flowing device for wells | |
| US2054924A | Pneumatic piston pump | |
| US1957523A | Flow velocity actuated flowing device | |
| US2006909A | Automatic heading device | |
| US1968633A | Automatic heading device | |
| US2010135A | Automatic heading device | |
| US1952581A | Automatic stage lift flowing device | |
| US2007363A | Pressure regulator | |
| US2055465A | Pressure relief valve | |
| US2010807A | Automatic stage lift flowing apparatus for wells | |
| US1926031A | Automatic stage lift flowing device | |
| US1926030A | Automatic stage lift flowing apparatus for wells |