| RE49498 |
Golf mat |
— |
2023-04-25 |
| D937951 |
Golf mat |
— |
2021-12-07 |
| 10000222 |
Methods and systems of determining end of train location and clearance of trackside points of interest |
Richard A. Allshouse, Joseph Sanfilippo |
2018-06-19 |
| 9715035 |
Pulse neutron formation gas identification with LWD measurements |
Jeffrey Grant, Aron Kramer |
2017-07-25 |
| 9174657 |
Automated real-time positive train control track database validation |
— |
2015-11-03 |
| 8918237 |
Train integrity and end of train location via RF ranging |
— |
2014-12-23 |
| 8688297 |
Methods and systems for continually measuring the length of a train operating in a positive train control environment |
— |
2014-04-01 |
| 8392103 |
Database for efficient storage of track geometry and feature locations |
Thomas J. Meyer |
2013-03-05 |
| 8244456 |
Validation of track databases |
— |
2012-08-14 |
| 8126934 |
Updating track databases after track maintenance |
— |
2012-02-28 |
| 8073581 |
Efficient data acquisition for track databases |
Matthew Rhodes |
2011-12-06 |
| 6343507 |
Method to improve the quality of a formation fluid sample |
Michelle M. Felling, Robert J. Butsch |
2002-02-05 |
| 6178815 |
Method to improve the quality of a formation fluid sample |
Michelle M. Felling, Robert J. Butsch |
2001-01-30 |
| 6005244 |
Detecting bypassed hydrocarbons in subsurface formations |
John F. Vaeth |
1999-12-21 |
| 5148559 |
Patient conveyance device |
— |
1992-09-22 |
| 4757622 |
Portable power shovel |
— |
1988-07-19 |
| 4296811 |
Method for permeability correction by in situ genesis of macroemulsions in hard brine |
Ronald E. Terry |
1981-10-27 |
| 4252015 |
Wellbore pressure testing method and apparatus |
Donald C. Harbon, Cleve D. Javine |
1981-02-24 |