| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Punching metal | |
| #3 | Unspecified technologies | |
| #4 | Soldering, welding and flame cutting | |
| #5 | Making metal sheets |
| # | Name | Total Patents |
|---|---|---|
| #1 | Raymond Edward F | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US2356431A | Retrievable gun perforator | |
| US2356430A | Gun perforator | |
| US2372009A | Welding rod holder | |
| US2346233A | Gun perforation in wells | |
| US2190045A | Rotary jar | |
| US1930825A | Combination swedge | |
| US1809988A | Underreamer | |
| US1615037A | Guide for side trackers | |
| US1577811A | Combination roller bit and disk structure | |
| US1601646A | Roller bit | |
| US1674838A | Cutter blade | |
| US1577810A | Side-tracking tool | |
| US1527749A | Well-cementing plug |