| 11722175 |
Contact tracing solution to combat the spread of infectious diseases using near field communications |
Thorkild Hansen |
2023-08-08 |
| 9103927 |
Providing a tow cable having plural electromagnetic receivers and one or more electromagnetic sources |
David Alumbaugh, Guozhong Gao, Tarek M. Habashy, H. Frank Morrison, Kambiz A. Safinya +1 more |
2015-08-11 |
| 8909141 |
Secure inductively-coupled communications systems |
Thorkild Hansen, Ralf Birken, Scott MacIntosh |
2014-12-09 |
| 8115491 |
Providing a tow cable having plural electromagnetic receivers and one or more electromagnetic sources |
David Alumbaugh, Guozhong Gao, Tarek M. Habashy, Frank Morrison, Kambiz A. Safinya +1 more |
2012-02-14 |
| 7751799 |
Method and apparatus for security in a wireless network |
Thorkild Hansen |
2010-07-06 |
| 7456726 |
Method and apparatus for improving the efficiency and accuracy of RFID systems |
Thorkild Hansen |
2008-11-25 |
| 7398078 |
Method and apparatus for security in a wireless network |
Thorkild Hansen |
2008-07-08 |
| 6969844 |
Multiple-axis linearly-propelled rotating sensor apparatus |
Paul Albats, Macyln Burns, Mark Dalton, Anthony DeRubeis, Cliff Evans +3 more |
2005-11-29 |
| 6949930 |
Time domain induction method and apparatus for locating buried objects in a medium by inducing and measuring transient eddy currents |
Thorkild Hansen |
2005-09-27 |
| 6766253 |
Method for merging position information with measurements and filtering to obtain high-quality images that are positioned accurately with respect to global coordinates |
Macyln Burns, Anthony DeRubeis, Paul Albats, Robert Casadonte, Ralf Birken +4 more |
2004-07-20 |
| 6735888 |
Virtual camera on the bucket of an excavator displaying 3D images of buried pipes |
Robert G. Green, Thorkild Hansen, Ralf Birken, Ross Deming |
2004-05-18 |
| 6700381 |
Method and apparatus for locating objects using parametric inversion |
Thorkild Hansen, Douglas E. Miller |
2004-03-02 |
| 6667709 |
Method and apparatus for detecting leaks in buried pipes by using a selected combination of geophysical instruments |
Thorkild Hansen |
2003-12-23 |
| 6388629 |
Rotating scanning antenna apparatus and method for locating buried objects |
Paul Albats, Macyln Burns, Mark Dalton, Anthony DeRubeis, Cliff Evans +3 more |
2002-05-14 |
| 4870580 |
Compressional/shear wave separation in vertical seismic profiling |
Stephen W. Lang |
1989-09-26 |
| 4648039 |
Compressional/shear wave separation in vertical seismic profiling |
Anthony J. Devaney, Emil Wolf |
1987-03-03 |