| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | United Kingdom | 4 | |
| #3 | Canada | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Australia | 1 | |
| #6 | China | 1 | |
| #7 | Germany | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | India | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Civil engineering | |
| #3 | Mechanical elements | |
| #4 | Machines | |
| #5 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Making metal sheets | |
| #2 | Soldering, welding and flame cutting | |
| #3 | Earth drilling | |
| #4 | Pipes | |
| #5 | Rolling metal | |
| #6 | Unspecified technologies | |
| #7 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stagg Robert E | 7 |
| #2 | Martin John R | 7 |
| #3 | Dubois Jon D | 6 |
| #4 | Robertson Jr Martin B | 3 |
| #5 | Robertson Martin B Jr | 2 |
| #6 | Jon D Dubois | 1 |
| #7 | Leniek Humberto F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5785500A | Well pump having a plunger in contact with well and pump fluid | |
| GB9723195D0 | Preperforated coiled tubing | |
| US5526881A | Preperforated coiled tubing | |
| US5456405A | Dual bias weld for continuous coiled tubing | |
| US5191911A | Continuous length of coilable tubing | |
| US4863091A | Method and apparatus for producing continuous lengths of coilable tubing | |
| US4629218A | Oilfield coil tubing |