| Configurations for antennas C Van Niekerk US Patent 9,166,273, 2015 | 18 | 2015 |
| Granular segregation studies for the development of a radar-based three-dimensional sensing system KM Hill, Y Fan, J Zhang, C Van Niekerk, E Zastrow, SC Hagness, ... Granular Matter 12, 201-207, 2010 | 17 | 2010 |
| Capacitive proximity sensor configuration including an antenna ground plane T Calatayud, C Van Niekerk US Patent 10,101,792, 2018 | 13 | 2018 |
| Capacitive proximity sensor configuration including an antenna ground plane T Calatayud, C Van Niekerk US Patent 9,323,404, 2016 | 10 | 2016 |
| Characteristic mode analysis of a shorted microstrip patch antenna C Van Niekerk, JT Bernhard Proceedings of the 2012 IEEE International Symposium on Antennas and …, 2012 | 4 | 2012 |
| Ultra-wideband Planar Marchand Balun Design for the Pyramidal Sinuous Antenna M Johnston, C Van Niekerk 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI …, 2019 | 3 | 2019 |
| Antenna selection N Van Erven, C Van Niekerk, M Frey US Patent 10,361,484, 2019 | 2 | 2019 |
| Coaxial Marchand Balun-Design and Fabrication M Johnston, C Van Niekerk 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI …, 2019 | 2 | 2019 |
| Analysis and design of compact low profile antennas for fixed volume applications C Van Niekerk University of Illinois at Urbana-Champaign, 2013 | 2 | 2013 |
| UWB radar target sensing and imaging for granular materials research applications C Van Niekerk, E Zastrow, SC Hagness, JT Bernhard 2010 IEEE Antennas and Propagation Society International Symposium, 1-4, 2010 | 2 | 2010 |
| Antenna selection N Van Erven, C Van Niekerk, M Frey US Patent 10,651,554, 2020 | | 2020 |
| Antenna selection N Van Erven, C Van Niekerk, M Frey US Patent 9,917,364, 2018 | | 2018 |
| Antenna assemblies C Van Niekerk US Patent 9,680,214, 2017 | | 2017 |
| Radar Target to Track Spherically Shaped Granular Materials for Both Position and Rotational Movement C Van Niekerk University of Illinois at Urbana-Champaign, 2009 | | 2009 |
