Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12169591 | Method and apparatus for dynamic human-computer interaction | Juan Perez-Rua, Maja Pantic | 2024-12-17 |
| 11837025 | Method and apparatus for action recognition | Brais Martinez, Victor Augusto ESCORCIA, Juan Perez-Rua, Xiatian Zhu, Antoine Toisoul | 2023-12-05 |
| 11797824 | Electronic apparatus and method for controlling thereof | Juan Manuel Perez Rua, Timothy HOSPEDALES, Xiatian Zhu | 2023-10-24 |
| 11614912 | Dual-system device and writing method and apparatus thereof, and interactive intelligent tablet | — | 2023-03-28 |
| 10025854 | Video searching | Shaogang Gong, Yogesh Raja | 2018-07-17 |
| 9340722 | Water-based mud lubricant using fatty acid polyamine salts and fatty acid esters | Remy Azrai Mohd Amin | 2016-05-17 |
| 8413745 | Water-based mud lubricant using fatty acid polyamine salts and fatty acid esters | Remy Azrai Mohd Amin | 2013-04-09 |
| 8053394 | Drilling fluids with redispersible polymer powders | Dennis K. Clapper, Donald C. Krause | 2011-11-08 |
| 7749945 | Invert emulsion drilling fluid systems comprising an emulsified aqueous phase comprising dispersed integral latex particles | — | 2010-07-06 |
| 7749943 | Method and drilling fluid systems and lost circulation pills adapted to maintain the particle size distribution of component latex particles before and after freezing of the latex particles in the presence of water | Dennis K. Clapper | 2010-07-06 |
| 7507692 | Methods for reducing circulation loss during drilling operations | — | 2009-03-24 |
| 7393813 | Water-based drilling fluids using latex additives | William S. Halliday, David Schwertner, Dennis K. Clapper | 2008-07-01 |
| 7271131 | Fluid loss control and sealing agent for drilling depleted sand formations | William S. Halliday, David Schwertner, Dennis K. Clapper | 2007-09-18 |
| 7226895 | Drilling fluid systems for reducing circulation losses | — | 2007-06-05 |
| 6855671 | Water based fluids comprising multivalent salts and low molecular weight, low charge cationic polyacrylamide copolymers | James Norfleet, Michael A. Jarrett, Patricia A. Potts, Frank E. Evans | 2005-02-15 |
| 6703351 | Water-based drilling fluids using latex additives | Calvin J. Stowe, II, Ronald G. Bland, Dennis K. Clapper, Saddock Benaissa | 2004-03-09 |
| 6559682 | Dual-mixer loss of signal detection circuit | Ian A. Kyles | 2003-05-06 |
| 6355600 | Shale stabilizing drilling fluids comprising calcium chloride and low molecular weight low charge cationicpolyacrylamide copolymers | James Norfleet, Michael A. Jarrett, Patricia A. Potts, Frank E. Evans | 2002-03-12 |