Issued Patents All Time
Showing 26–50 of 125 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9159107 | Methods, apparatus and systems for generating location-corrected searchable electronic records of underground facility locate and/or marking operations | Steven Nielsen, Curtis Chambers, Greg Block | 2015-10-13 |
| 9124780 | Methods and apparatus for tracking motion and/or orientation of a marking device | Steven Nielsen, Curtis Chambers, Jack M. Vice | 2015-09-01 |
| 9097522 | Methods and marking devices with mechanisms for indicating and/or detecting marking material color | Steven Nielsen, Curtis Chambers | 2015-08-04 |
| 9086277 | Electronically controlled marking apparatus and methods | Steven Nielsen, Curtis Chambers, Mark A. Conner, Rene A. Vazquez | 2015-07-21 |
| 9069094 | Locate transmitter configured to detect out-of-tolerance conditions in connection with underground facility locate operations, and associated methods and systems | Steven Nielsen, Curtis Chambers | 2015-06-30 |
| 9046621 | Locate apparatus configured to detect out-of-tolerance conditions in connection with underground facility locate operations, and associated methods and systems | Steven Nielsen, Curtis Chambers | 2015-06-02 |
| 9046413 | Methods, apparatus and systems for surface type detection in connection with locate and marking operations | Steven Nielsen, Curtis Chambers, Jack M. Vice | 2015-06-02 |
| 9004004 | Optical sensing methods and apparatus for detecting a color of a marking substance | Steven Nielsen, Curtis Chambers | 2015-04-14 |
| 8994749 | Methods, apparatus and systems for generating searchable electronic records of underground facility locate and/or marking operations | Steven Nielsen, Curtis Chambers | 2015-03-31 |
| 8990100 | Methods and apparatus for analyzing locate and marking operations with respect to environmental landmarks | Steven Nielsen, Curtis Chambers | 2015-03-24 |
| 8977558 | Methods, apparatus and systems for facilitating generation and assessment of engineering plans | Steven Nielsen, Curtis Chambers | 2015-03-10 |
| 8965700 | Methods and apparatus for generating an electronic record of environmental landmarks based on marking device actuations | Steven Nielsen, Curtis Chambers | 2015-02-24 |
| 8938366 | Locating equipment communicatively coupled to or equipped with a mobile/portable device | Steven Nielsen, Curtis Chambers, Tony Davani | 2015-01-20 |
| 8930836 | Methods and apparatus for displaying an electronic rendering of a locate and/or marking operation using display layers | Steven Nielsen, Curtis Chambers | 2015-01-06 |
| 8928693 | Methods, apparatus and systems for generating image-processed searchable electronic records of underground facility locate and/or marking operations | Steven Nielsen, Curtis Chambers | 2015-01-06 |
| 8924154 | Methods, apparatus and systems for determining correctness and completeness of locate operations | Steven Nielsen, Curtis Chambers | 2014-12-30 |
| 8917288 | Methods, apparatus and systems for generating accuracy-annotated searchable electronic records of underground facility locate and/or marking operations | Steven Nielsen, Curtis Chambers | 2014-12-23 |
| 8918898 | Methods, apparatus and systems for onsite linking to location-specific electronic records of locate operations | Steven Nielsen, Curtis Chambers | 2014-12-23 |
| 8907978 | Methods, apparatus and systems for generating searchable electronic records of underground facility locate and/or marking operations | Steven Nielsen, Curtis Chambers | 2014-12-09 |
| 8907980 | Methods, apparatus and systems for generating searchable electronic records of underground facility locate and/or marking operations | Steven Nielsen, Curtis Chambers, Greg Block | 2014-12-09 |
| 8902251 | Methods, apparatus and systems for generating limited access files for searchable electronic records of underground facility locate and/or marking operations | Steven Nielsen, Curtis Chambers | 2014-12-02 |
| 8903643 | Hand-held marking apparatus with location tracking system and methods for logging geographic location of same | Steven Nielsen, Curtis Chambers | 2014-12-02 |
| 8861794 | Virtual white lines for indicating planned excavation sites on electronic images | Steven Nielsen, Curtis Chambers | 2014-10-14 |
| 8830265 | Methods, apparatus and systems for generating searchable electronic records of underground facility marking operations and assessing aspects of same | Steven Nielsen, Curtis Chambers | 2014-09-09 |
| 8832565 | Methods and apparatus for controlling access to a virtual white line (VWL) image for an excavation project | Steven Nielsen, Curtis Chambers | 2014-09-09 |