Showing 1–22 of 22 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | George Swietlik | Pilot Drilling Control Limited | 23 |
| 2 | Peter John Lovegrove | Bj Services | 7 |
| 3 | Andrew Robert Penman | Bj Services | 3 |
| 3 | Norman Seal | — | 3 |
| 3 | Felix James Scarlett | The Procter & Gamble | 3 |
| 3 | Andrew Burt | Baker Hughes Holdings | 3 |
| #7 | Martin Alfred Kraaijveld | Shell Oil Compny | 2 |
| #7 | Victor Moody | Frank'S International | 2 |
| #7 | Tom Adrian Banger | Frank'S Casing Crew And Rental Tools | 2 |
| #7 | Andrew David Warnes | Philips | 2 |
| #11 | Martin Leslie Wells | — | 1 |
| #11 | Swietlik George | Pilot Drilling Control Limited | 1 |
| #11 | E. H. Lambert | — | 1 |
| #11 | Jack G. French | Mars, Incorporated | 1 |
| #11 | Stuart Edward Saunders | — | 1 |
| #11 | Arthur R. Chandler | Weatherford/Lamb | 1 |
| #11 | Jack Anthony Woodhouse | IBM | 1 |
| #11 | Robert Norfolk | — | 1 |
| #11 | Large Robert | Pilot Drilling Control Limited | 1 |
| #11 | Danny W. Kemp | — | 1 |
| #11 | Garry Hutton | Unknown | 1 |
| #11 | Richard J. Guise | Hunting Oilfield Services (Uk) | 1 |