Issued Patents All Time
Showing 25 most recent of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11009450 | Systems and methods for quality testing of asphalt by predicting an indirect tensile strength ratio of the asphalt sample based on the binder loss value | Andrew T. LaCroix, Lawrence H. James, Dirk M. Steckmann, Ethan Steckmann | 2021-05-18 |
| 10753838 | Systems and methods for verification and calibration of hamburg wheel tracker devices | Lawrence H. James, Ethan Steckmann, Richard Stacy, Dirk M. Steckmann, Andrew T. LaCroix +1 more | 2020-08-25 |
| 10215678 | Systems and methods for maximum specific gravity tests for asphalt mixture samples | Dirk M. Steckmann, Lawrence H. James, Andrew T. LaCroix, Johnny Gordon Williams, Jr., Adam C. O'Neill | 2019-02-26 |
| 9964471 | Wheel-tracking devices and related systems and methods | Danilo Guerini, Lawrence H. James, Paola Maestroni, Andrew T. LaCroix | 2018-05-08 |
| RE46616 | Lightweight portable moisture traps for use with vacuum pumps | Peter D. Muse, Johnny Gordon Williams, Jr., Lawrence H. James | 2017-11-28 |
| 9702626 | Device and methods for rapid drying of porous materials | Tianqing He, Lawrence H. James, Peter D. Muse | 2017-07-11 |
| RE45937 | Lightweight portable moisture traps for use with vacuum pumps | Peter D. Muse, Johnny Gordon Williams, Jr., Lawrence H. James | 2016-03-22 |
| D738750 | Moisture and density nuclear gauge calibration device | Peter D. Muse, Lawrence H. James, Adam C. O'Neill | 2015-09-15 |
| 8826564 | Device and methods for rapid drying of porous materials | Tianqing He, Lawrence H. James, Peter D. Muse | 2014-09-09 |
| D706146 | Nuclear gauge calibration device | Peter D. Muse, Lawrence H. James, Adam C. O'Neill | 2014-06-03 |
| 8408013 | Lightweight portable moisture traps for use with vacuum pumps | Peter D. Muse, Johnny Gordon Williams, Jr., Lawrence H. James | 2013-04-02 |
| 8312776 | System and method for conditioning and detection of susceptibility to moisture damage in asphalt mixes | Lawrence H. James, Peter D. Muse, Keith Landreth, Tianqing He | 2012-11-20 |
| 8225526 | Device and methods for rapid drying of porous materials | Tianqing He, Lawrence H. James, Peter D. Muse | 2012-07-24 |
| 8020451 | System and method for conditioning and detection of moisture damage in asphalt mixes | Lawrence H. James, Peter D. Muse, Keith Landreth, Tianqing He | 2011-09-20 |
| 7098034 | Systems and methods for assessing the presence of and/or the level of anti-stripping constituents in asphalt binders or asphalt mixtures | Tianqing He, Peter D. Muse, Lawrence H. James | 2006-08-29 |
| 6995667 | Systems, methods, and computer program products for automatic tracking and/or remote monitoring of nuclear gauges and/or data communication therewith | Tianqing He, Peter D. Muse, Lawrence H. James | 2006-02-07 |
| 6817230 | Systems and methods for determining the absorption and specific gravity properties of compacted and loose material including fine and coarse aggregates | Lawrence H. James | 2004-11-16 |
| 6817243 | Methods and apparatus for sealing and analyzing material samples including uncompacted bituminous samples according to water displacement testing methods | Lawrence H. James | 2004-11-16 |
| 6799471 | System and method for conditioning and detection of moisture damage in asphalt mixes | Lawrence H. James, Peter D. Muse, Tianging He | 2004-10-05 |
| 6684684 | Systems and methods for determining the porosity and/or effective air void content of compacted material | Lawrence H. James | 2004-02-03 |
| 6668647 | Methods and apparatus for sealing and analyzing material samples including uncompacted bituminous samples according to water displacement testing methods | Lawrence H. James | 2003-12-30 |
| 6629459 | Methods and apparatus for sealing and analyzing material samples including uncompacted bituminous samples according to water displacement testing methods | Lawrence H. James | 2003-10-07 |
| 6615643 | Systems and methods for determining the absorption and specific gravity properties of compacted and loose material including fine and coarse aggregates | Lawrence H. James | 2003-09-09 |
| 6321589 | Methods and apparatus for sealing a porous material sample for density determination using water displacement methods and associated surface conformal resilient compressible bags | — | 2001-11-27 |
| 6207462 | Microwave apparatus and method for analysis of asphalt-aggregate compositions | David A. Barclay | 2001-03-27 |