| 11644242 |
Remote inspection, removal, and installation of refractory |
Patrick L. Yoder, Aaron M. Schlett, Laura E. Johnsen |
2023-05-09 |
$427,031,000 |
| 11369986 |
Retractable nozzle for refractory-lined equipment |
Patrick L. Yoder, Aaron M. Schlett, Laura E. Johnsen |
2022-06-28 |
$408,797,000 |
| 11358814 |
Systems and methods for preparing dry process materials and reducing respirable dust |
Patrick L. Yoder, Aaron M. Schlett, Laura E. Johnsen |
2022-06-14 |
$724,871,000 |
| 10478835 |
Nozzle for wet gas scrubber |
Glenn M. Beatty, Venkatesh Subramania, Sandipan K. Das, John B. Barnes, Laura E. Johnsen |
2019-11-19 |
$91,688,000 |
| 10371447 |
Refractory anchor assembly |
Patrick L. Yoder, Aaron M. Schlett, Laura E. Johnsen |
2019-08-06 |
$509,189,000 |
| 10352619 |
Refractory anchor assembly and method for installing the same |
Patrick L. Yoder, Laura E. Johnsen, Vance A. McCray, Aaron M. Schlett |
2019-07-16 |
$49,855,000 |
| 10047298 |
Internal lining for delayed coker drum |
Christopher S. Hinson, David Scott Sinclair, Adam Garrett Susong, Robert Lee Antram, John R. Peterson |
2018-08-14 |
$151,503,000 |
| 8361244 |
Erosion resistant cermet linings for oil and gas exploration, refining and petrochemical processing applications |
John R. Peterson, Narasimha-Rao Venkata Bangaru, Robert Lee Antram, Neeraj S. Thirumalai, ChangMin Chun +1 more |
2013-01-29 |
$109,175,000 |
| 8323423 |
Erosion resistant cermet linings for oil and gas exploration, refining and petrochemical processing applications |
John R. Peterson, Narasimha-Rao Venkata Bangaru, Robert Lee Antram, Neeraj S. Thirumalai, ChangMin Chun +1 more |
2012-12-04 |
$183,937,000 |
| 8317940 |
Erosion resistant cermet linings for oil and gas exploration, refining and petrochemical processing applications |
John R. Peterson, Narasimha-Rao Venkata Bangaru, Robert Lee Antram, Neeraj S. Thirumalai, ChangMin Chun +1 more |
2012-11-27 |
$86,978,000 |
| 7842139 |
Erosion resistant cermet linings for oil and gas exploration, refining and petrochemical processing applications |
John R. Peterson, Narasimha-Rao Venkata Bangaru, Robert Lee Antram, Neeraj S. Thirumalai, ChangMin Chun +1 more |
2010-11-30 |
$205,794,000 |
| 7807098 |
Advanced erosion-corrosion resistant boride cermets |
Narasimha-Rao Venkata Bangaru, ChangMin Chun, Neeraj S. Thirumalai, Hyun-Woo Jin, Jayoung Koo +2 more |
2010-10-05 |
$200,352,000 |
| 7731776 |
Bimodal and multimodal dense boride cermets with superior erosion performance |
ChangMin Chun, Narasimha-Rao Venkata Bangaru, Neeraj S. Thirumalai, Hyun-Woo Jin, Jayoung Koo +3 more |
2010-06-08 |
$113,272,000 |
| 7544228 |
Large particle size and bimodal advanced erosion resistant oxide cermets |
ChangMin Chun, Narasimha-Rao Venkata Bangaru, John R. Peterson, Robert Lee Antram |
2009-06-09 |
$441,418,000 |
| 7501090 |
Method for protecting metal surfaces utilizing erosion resistant oxide cermets |
Narasimha-Rao Venkata Bangaru, ChangMin Chun, Hyun-Woo Jin, Jayoung Koo, John R. Peterson +1 more |
2009-03-10 |
$412,496,000 |
| 7438741 |
Erosion-corrosion resistant carbide cermets for long term high temperature service |
Narasimha-Rao Venkata Bangaru, ChangMin Chun, Neeraj S. Thirumalai, Shiun Ling, Hyun-Woo Jin +3 more |
2008-10-21 |
$424,272,000 |
| 7431777 |
Composition gradient cermets and reactive heat treatment process for preparing same |
ChangMin Chun, Narasimha-Rao Venkata Bangaru, Hyun-Woo Jin, Jayoung Koo, John R. Peterson +1 more |
2008-10-07 |
$419,754,000 |
| 7407082 |
Advanced erosion resistant carbonitride cermets |
ChangMin Chun, Narasimha-Rao Venkata Bangaru, Hyun-Woo Jin, Jayoung Koo, John R. Peterson +1 more |
2008-08-05 |
$309,947,000 |
| 7384444 |
Advanced erosion-corrosion resistant boride cermets |
Narasimha-Rao Venkata Bangaru, ChangMin Chun, Neeraj S. Thirumalai, Hyun-Woo Jin, Jayoung Koo +2 more |
2008-06-10 |
$211,406,000 |
| 7316724 |
Multi-scale cermets for high temperature erosion-corrosion service |
Narasimha-Rao Venkata Bangaru, Jayoung Koo, ChangMin Chun, Hyun-Woo Jin, John R. Peterson +1 more |
2008-01-08 |
$882,390,000 |
| 7288132 |
Advanced erosion resistant carbide cermets with superior high temperature corrosion resistance |
ChangMin Chun, Narasimha-Rao Venkata Bangaru, Hyun-Woo Jin, Jayoung Koo, John R. Peterson +1 more |
2007-10-30 |
$187,594,000 |
| 7247186 |
Advanced erosion resistant carbonitride cermets |
ChangMin Chun, Narasimha-Rao Venkata Bangaru, Hyun-Woo Jin, Jayoung Koo, John R. Peterson +1 more |
2007-07-24 |
$235,038,000 |
| 7175687 |
Advanced erosion-corrosion resistant boride cermets |
Narasimha-Rao Venkata Bangaru, ChangMin Chun, Neeraj S. Thirumalai, Hyun-Woo Jin, Jayoung Koo +2 more |
2007-02-13 |
$333,060,000 |
| 7175686 |
Erosion-corrosion resistant nitride cermets |
ChangMin Chun, Narasimha-Rao Venkata Bangaru, Hyun-Woo Jin, Jayoung Koo, John R. Peterson +1 more |
2007-02-13 |
$333,060,000 |
| 7153338 |
Advanced erosion resistant oxide cermets |
Narasimha-Rao Venkata Bangaru, ChangMin Chun, Hyun-Woo Jin, Jayoung Koo, John R. Peterson +1 more |
2006-12-26 |
$598,471,000 |
