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John Edmond Southwell

NA Nissan Chemical America: 16 patents #1 of 13Top 8%
DB Dsm Ip Assets B.V.: 5 patents #249 of 2,011Top 15%
HA Husqvarna Ab: 5 patents #100 of 690Top 15%
MU Messer Industries Usa: 1 patents #17 of 47Top 40%
📍 Huntersville, NC: #19 of 456 inventorsTop 5%
🗺 North Carolina: #1,581 of 45,564 inventorsTop 4%
Overall (All Time): #150,047 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
12279553 High efficiency lawn mower blade 2025-04-22
12077712 Using silica nanoparticles to reduce the deposition of solid sulfur in natural gas wells Samuel James Maguire-Boyle 2024-09-03
12006469 Tube coating with polar surface treated silica-based nanoparticles to prevent build-up of solid sulfur Samuel James Maguire-Boyle 2024-06-11
11518931 Method of mitigating frac hit production interference from adjacent oil wells using treatment fluids with nanoparticles Joshua Duncan, Juergen M. Lukas, James Christian Dale Rankin, Edwin Ray Templeton 2022-12-06
11401454 Hydrocarbon formation treatment micellar solutions Yusra Khan Ahmad 2022-08-02
11332659 Enhanced oil recovery using treatment fluids comprising colloidal silica with a proppant Yusra Khan Ahmad, David L. Holcomb 2022-05-17
11274244 Using brine resistant silicon dioxide nanoparticle dispersions to improve oil recovery David L. Holcomb, Yusra Khan Ahmad 2022-03-15
11180692 Using brine resistant silicon dioxide nanoparticle dispersions to improve oil recovery David L. Holcomb, Yusra Khan Ahmad 2021-11-23
11130906 Brine resistant silica sol 2021-09-28
10975289 Hydrocarbon formation treatment micellar solutions Yusra Khan Ahmad 2021-04-13
10934478 Enhanced oil recovery using treatment fluids comprising colloidal silica with a proppant Yusra Khan Ahmad, David L. Holcomb 2021-03-02
10870794 Using brine resistant silicon dioxide nanoparticle dispersions to improve oil recovery David L. Holcomb, Yusra Khan Ahmad 2020-12-22
10801310 Using gases and hydrocarbon recovery fluids containing nanoparticles to enhance hydrocarbon recovery Robin Watts, Kevin G. Watts, David L. Holcomb, Naveed Aslam, Yusra Khan Ahmad 2020-10-13
10570331 Crude oil recovery chemical fluid Satoru Murakami, Isao Oota 2020-02-25
10563117 Crude oil recovery chemical fluids Satoru Murakami, Isao Oota 2020-02-18
10557078 Brine resistant silica sol 2020-02-11
D873302 Mower blade 2020-01-21
10377942 Hydrocarbon formation treatment micellar solutions Yusra Khan Ahmad 2019-08-13
9862146 Substrate-based additive fabrication process and apparatus Marco Marcus Matheus Driessen, Michelle Elizabeth Seitz, Paulus Antonius Maria Steeman, Jigeng Xu, Richard H. Thomas +1 more 2018-01-09
D801394 Mower blade David Briney 2017-10-31
D786310 Mower blade David Briney 2017-05-09
9470025 Snap feature providing component attachment Eric Canonge 2016-10-18
9062083 D1479 stable liquid bap photoinitiator and its use in radiation curable compositions Timothy E. Bishop, Edward J. Murphy, Satyendra Kumar Sarmah, TaiYeon Lee 2015-06-23
9062082 D1479 stable liquid BAP photoinitiator and its use in radiation curable compositions Timothy E. Bishop, Edward J. Murphy, Satyendra Kumar Sarmah, TaiYeon Lee, John M. Zimmerman 2015-06-23
8871133 Method and composition for reducing waste in photo-imaging applications John A. Lawton, Jigeng Xu, Gordon Smith, Willem D. Weenink 2014-10-28