| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Unspecified technologies | |
| #3 | Siphons | |
| #4 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bryan Thomas E | 16 |
| Publication | Filing date | Title |
|---|---|---|
| US2994336A | Gas lift valve apparatus | |
| US2741189A | Removable gas control valve for oil wells | |
| US2699730A | Pressure controlled gas lift valve | |
| US2541807A | Fluid lift control valve for oil wells | |
| US2681014A | Gas lift valve | |
| US2255648A | Gas lift apparatus | |
| US2275346A | Gas lift valve and surface operating mechanism | |
| US2275345A | Removable gas lift apparatus in oil wells | |
| US2217305A | Apparatus for removing liquids from wells | |
| US2145918A | Gas lift apparatus | |
| US2137441A | Gas lift valve | |
| US2179226A | Well flowing valve | |
| US2128074A | Well flowing apparatus | |
| US2128073A | Fluid producing apparatus | |
| US1927081A | Fluid well valve | |
| US1840694A | Fluid well construction |