Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10125601 | Colloidal-crystal quantum dots as tracers in underground formations | Michael H. Bartl | 2018-11-13 |
| 8952319 | Downhole deployable tools for measuring tracer concentrations | — | 2015-02-10 |
| 8522872 | In situ decomposition of carbonyls at high temperature for fixing incomplete and failed well seals | Daniel L. Bour | 2013-09-03 |
| 8353345 | Geothermal well diversion agent formed from in situ decomposition of carbonyls at high temperature | Daniel L. Bour | 2013-01-15 |
| 8162049 | Injection-backflow technique for measuring fracture surface area adjacent to a wellbore | — | 2012-04-24 |
| 8091639 | Geothermal well diversion agent formed from in situ decomposition of carbonyls at high temperature | Daniel L. Bour | 2012-01-10 |
| 6958090 | Pigmented inks for ink jet printers | Graham Redfearn, Nicholas Alexander Walker | 2005-10-25 |
| 6565202 | Pigmented aqueous inks and ink set for ink jet printing | Jason Thom, Nicholas Alexander Walker | 2003-05-20 |
| 6558460 | Pigmented ink jet inks | Nicholas Alexander Walker | 2003-05-06 |
| 6530986 | Pigment ink set | Nicholas Alexander Walker | 2003-03-11 |
| 5234047 | Mould for casting components | — | 1993-08-10 |
| 5190414 | Walking prop for mine tunnels | Hans-Ferdinand Bemmerl, Alois Scheunert, Peter Kroninger, Alfred Bollmann | 1993-03-02 |
| 4811778 | Method of manufacturing a metal article by the lost wax casting process | David J. Allen, Joseph Martin, John Terry | 1989-03-14 |
| 4427742 | Core or core part for use in the lost wax casting process | Kenneth Willgoose, Rondald Brien, Clifford G. Hannah | 1984-01-24 |